diff --git a/README.md b/README.md index 813dc58..048a779 100644 --- a/README.md +++ b/README.md @@ -32,7 +32,7 @@ Share questions through the [OA template](https://github.com/perixtar/2026-Tech- Newest updates first  ·  🔥 added in the last 2 weeks  ·  🆕 in the last 45 days -Formats: [Coding (1,796)](formats/coding.md) · [SQL (20)](formats/sql.md) · [System design (274)](formats/system-design.md) · [Low-level design (61)](formats/low-level-design.md) · [AI coding (31)](formats/ai-coding.md) +Formats: [Coding (1,799)](formats/coding.md) · [SQL (20)](formats/sql.md) · [System design (274)](formats/system-design.md) · [Low-level design (61)](formats/low-level-design.md) · [AI coding (31)](formats/ai-coding.md) Updated: latest sighting, else first public sync; Unattributed: no source-backed employer. @@ -1234,6 +1234,7 @@ Share questions through the [OA template](https://github.com/perixtar/2026-Tech- | **PayPay** |[Calculate Change](https://www.fastprep.io/problems/paypay-calculate-change)| Coding |[![Practice][p]](https://www.fastprep.io/problems/paypay-calculate-change)| Jun 18, 2025 | | **PayPay** |[Find Maximum Two-Digit Fragment](https://www.fastprep.io/problems/paypay-find-maximum-two-digit-fragment)| Coding |[![Practice][p]](https://www.fastprep.io/problems/paypay-find-maximum-two-digit-fragment)| Jun 18, 2025 | | **Amazon** |[Find Hash](https://www.fastprep.io/problems/amazon-find-hash)| Coding |[![Practice][p]](https://www.fastprep.io/problems/amazon-find-hash)| Jun 12, 2025 | +| **Fivetran** | [Aladdin and the Magic Carpet](https://www.fastprep.io/problems/fivetran-aladdin-and-the-magic-carpet) | Coding | [![Practice][p]](https://www.fastprep.io/problems/fivetran-aladdin-and-the-magic-carpet) | Jun 12, 2025 | | **Postman** | [Design a Threaded Comment System with User Tags](https://www.fastprep.io/low-level-design/threaded-comment-system-with-user-tags) | Low-level design | [![Practice][p]](https://www.fastprep.io/low-level-design/threaded-comment-system-with-user-tags) | Jun 07, 2025 | | **Postman** | [Design an Annotated Comment Thread System](https://www.fastprep.io/low-level-design/annotated-comment-thread-system) | Low-level design | [![Practice][p]](https://www.fastprep.io/low-level-design/annotated-comment-thread-system) | Jun 07, 2025 | | **Amazon** |[Find Minimum Days](https://www.fastprep.io/problems/amazon-find-minimum-days)| Coding |[![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-days)| May 31, 2025 | @@ -1835,6 +1836,8 @@ Share questions through the [OA template](https://github.com/perixtar/2026-Tech- | **Microsoft** |[Skycraper](https://www.fastprep.io/problems/microsoft-skyscraper)| Coding |[![Practice][p]](https://www.fastprep.io/problems/microsoft-skyscraper)| Jun 15, 2024 | | **Microsoft** |[Min Num Cells](https://www.fastprep.io/problems/microsoft-min-num-letters)| Coding |[![Practice][p]](https://www.fastprep.io/problems/microsoft-min-num-letters)| Jun 15, 2024 | | **Microsoft** |[Maximum Cells](https://www.fastprep.io/problems/microsoft-maximum-cells)| Coding |[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-cells)| Jun 15, 2024 | +| **Fivetran** | [Unique Near-Equal Target-Sum Pairs](https://www.fastprep.io/problems/fivetran-unique-near-equal-target-sum-pairs) | Coding | [![Practice][p]](https://www.fastprep.io/problems/fivetran-unique-near-equal-target-sum-pairs) | Jun 13, 2024 | +| **Fivetran** | [Connected Groups](https://www.fastprep.io/problems/fivetran-connected-groups) | Coding | [![Practice][p]](https://www.fastprep.io/problems/fivetran-connected-groups) | Jun 13, 2024 | | **Anduril** | [Design a Radar Sensor Observation Pipeline](https://www.fastprep.io/system-design/radar-sensor-observation-pipeline) | System design | [![Practice][p]](https://www.fastprep.io/system-design/radar-sensor-observation-pipeline) | Jun 11, 2024 | | **Amazon** |[Maximize Subtree Product](https://www.fastprep.io/problems/amazon-maximize-subtree-product)| Coding |[![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-subtree-product)| Jun 10, 2024 | | **Amazon** |[Bring Servers Down](https://www.fastprep.io/problems/amazon-bring-servers-down)| Coding |[![Practice][p]](https://www.fastprep.io/problems/amazon-bring-servers-down)| Jun 10, 2024 | diff --git a/formats/coding.md b/formats/coding.md index 8a2b3ef..808cc80 100644 --- a/formats/coding.md +++ b/formats/coding.md @@ -2,1777 +2,1808 @@ [← Back to all questions](../README.md#question-bank) -**1,768 questions** +**1,799 questions** [p]: ../assets/practice-button.svg | Company | OA / Interview Question | Practice | Updated | | :-- | :-- | :-: | :-- | -| **Roblox** | [Rate Limiter Sliding Window With Per-Entity Limits](https://www.fastprep.io/problems/roblox-rate-limiter-sliding-window-per-entity) | [![Practice][p]](https://www.fastprep.io/problems/roblox-rate-limiter-sliding-window-per-entity) | 🔥 Sep 02, 2026 | -| **Millennium** | [Calculate the Half Spread](https://www.fastprep.io/problems/millennium-calculate-half-spread) | [![Practice][p]](https://www.fastprep.io/problems/millennium-calculate-half-spread) | 🔥 Sep 02, 2026 | -| **Millennium** | [Quote One Request](https://www.fastprep.io/problems/millennium-quote-one-request) | [![Practice][p]](https://www.fastprep.io/problems/millennium-quote-one-request) | 🔥 Sep 02, 2026 | -| **Millennium** | [Debug the Impact Model](https://www.fastprep.io/problems/millennium-debug-impact-model) | [![Practice][p]](https://www.fastprep.io/problems/millennium-debug-impact-model) | 🔥 Sep 02, 2026 | -| **Millennium** | [Risk Limits and Inventory Skew](https://www.fastprep.io/problems/millennium-risk-limits-and-skew) | [![Practice][p]](https://www.fastprep.io/problems/millennium-risk-limits-and-skew) | 🔥 Sep 02, 2026 | -| **Millennium** | [Debug the Risk-Limit Quoter](https://www.fastprep.io/problems/millennium-debug-risk-limit-quoter) | [![Practice][p]](https://www.fastprep.io/problems/millennium-debug-risk-limit-quoter) | 🔥 Sep 02, 2026 | -| **Goldman Sachs** | [Maximize Element Frequency](https://www.fastprep.io/problems/goldman-sachs-maximize-element-frequency) | [![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-maximize-element-frequency) | 🔥 Sep 01, 2026 | -| **Goldman Sachs** | [Notification Deduplication Window](https://www.fastprep.io/problems/goldman-sachs-notification-deduplication) | [![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-notification-deduplication) | 🔥 Sep 01, 2026 | -| **Stripe** | [Request Routing System](https://www.fastprep.io/problems/stripe-request-routing-system) | [![Practice][p]](https://www.fastprep.io/problems/stripe-request-routing-system) | 🔥 Sep 01, 2026 | -| **Stripe** | [Incident Monitor](https://www.fastprep.io/problems/stripe-incident-monitor) | [![Practice][p]](https://www.fastprep.io/problems/stripe-incident-monitor) | 🔥 Sep 01, 2026 | -| **DoorDash** | [Dasher Pay with Store Waits and Peak Hours](https://www.fastprep.io/problems/doordash-dasher-pay) | [![Practice][p]](https://www.fastprep.io/problems/doordash-dasher-pay) | 🔥 Sep 01, 2026 | -| **Amazon** | [Maximum Frequency Stack](https://www.fastprep.io/problems/amazon-maximum-frequency-stack) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-frequency-stack) | 🔥 Sep 01, 2026 | -| **Goldman Sachs** | [The Maze](https://www.fastprep.io/problems/goldman-sachs-the-maze) | [![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-the-maze) | 🔥 Sep 01, 2026 | -| **JPMorgan Chase** | [Top K Frequent Values Across Key-Partitioned Shards](https://www.fastprep.io/problems/jpmorgan-chase-top-k-frequent-values-distributed) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-chase-top-k-frequent-values-distributed) | 🔥 Sep 01, 2026 | -| **Mercor** | [Shortest Path in a Grid with Obstacles Elimination](https://www.fastprep.io/problems/mercor-shortest-path-in-grid-with-obstacles-elimination) | [![Practice][p]](https://www.fastprep.io/problems/mercor-shortest-path-in-grid-with-obstacles-elimination) | 🔥 Sep 01, 2026 | -| **Microsoft** | [Arithmetic Expression Evaluator](https://www.fastprep.io/problems/microsoft-arithmetic-expression-evaluator) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-arithmetic-expression-evaluator) | 🔥 Sep 01, 2026 | -| **Microsoft** | [Employee Hierarchy Cycle and Depth Analysis](https://www.fastprep.io/problems/microsoft-employee-hierarchy-cycle-and-depth) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-employee-hierarchy-cycle-and-depth) | 🔥 Sep 01, 2026 | -| **Microsoft** | [Most Visited String Sectors](https://www.fastprep.io/problems/microsoft-most-visited-string-sectors) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-most-visited-string-sectors) | 🔥 Sep 01, 2026 | -| **Visa** | [Collect Branches for a Bird Nest](https://www.fastprep.io/problems/visa-collect-branches-for-nest) | [![Practice][p]](https://www.fastprep.io/problems/visa-collect-branches-for-nest) | 🔥 Aug 31, 2026 | -| **Visa** | [Count Reverse-Digit Pairs](https://www.fastprep.io/problems/visa-count-reverse-digit-pairs) | [![Practice][p]](https://www.fastprep.io/problems/visa-count-reverse-digit-pairs) | 🔥 Aug 31, 2026 | -| **Akuna Capital** | [Minimum Swaps](https://www.fastprep.io/problems/akuna-minimum-swaps) | [![Practice][p]](https://www.fastprep.io/problems/akuna-minimum-swaps) | 🔥 Aug 31, 2026 | -| **Akuna Capital** | [Vowel Substring Game](https://www.fastprep.io/problems/akuna-vowel-substring-game) | [![Practice][p]](https://www.fastprep.io/problems/akuna-vowel-substring-game) | 🔥 Aug 31, 2026 | -| **Akuna Capital** | [Minimum Absolute Difference Pairs](https://www.fastprep.io/problems/akuna-minimum-absolute-difference-pairs) | [![Practice][p]](https://www.fastprep.io/problems/akuna-minimum-absolute-difference-pairs) | 🔥 Aug 31, 2026 | -| **Rippling** | [Server Management](https://www.fastprep.io/problems/rippling-server-management) | [![Practice][p]](https://www.fastprep.io/problems/rippling-server-management) | 🔥 Aug 31, 2026 | -| **Rippling** | [Costliest Chocolate](https://www.fastprep.io/problems/rippling-costliest-chocolate) | [![Practice][p]](https://www.fastprep.io/problems/rippling-costliest-chocolate) | 🔥 Aug 31, 2026 | -| **Rippling** | [Consistent Logs](https://www.fastprep.io/problems/rippling-consistent-logs) | [![Practice][p]](https://www.fastprep.io/problems/rippling-consistent-logs) | 🔥 Aug 31, 2026 | -| **Salesforce** | [Diameter of an Acyclic Undirected Graph](https://www.fastprep.io/problems/salesforce-tree-diameter) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-tree-diameter) | 🔥 Aug 31, 2026 | -| **Scale AI** | [Four-Player Trick-Taking Card Game Simulation](https://www.fastprep.io/problems/four-player-trick-taking-card-game-simulation) | [![Practice][p]](https://www.fastprep.io/problems/four-player-trick-taking-card-game-simulation) | 🔥 Aug 31, 2026 | -| **Snowflake** | [Design In-Memory File System](https://www.fastprep.io/problems/snowflake-design-in-memory-file-system) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-design-in-memory-file-system) | 🔥 Aug 31, 2026 | -| **MongoDB** | [Recursive Nested JSON Key Search](https://www.fastprep.io/problems/mongodb-recursive-nested-object-key-search) | [![Practice][p]](https://www.fastprep.io/problems/mongodb-recursive-nested-object-key-search) | 🔥 Aug 31, 2026 | -| **Salesforce** | [Path Sum](https://www.fastprep.io/problems/salesforce-path-sum) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-path-sum) | 🔥 Aug 31, 2026 | -| **Uber Freight** | [Maximize Compatible Car Riders](https://www.fastprep.io/problems/uber-freight-maximize-compatible-car-riders) | [![Practice][p]](https://www.fastprep.io/problems/uber-freight-maximize-compatible-car-riders) | 🔥 Aug 31, 2026 | -| **Google** | [Earliest Time of Full Connection](https://www.fastprep.io/problems/google-earliest-full-connection) | [![Practice][p]](https://www.fastprep.io/problems/google-earliest-full-connection) | 🔥 Aug 31, 2026 | -| **Google** | [Parent-Child Deletion Order](https://www.fastprep.io/problems/google-parent-child-deletion-order) | [![Practice][p]](https://www.fastprep.io/problems/google-parent-child-deletion-order) | 🔥 Aug 31, 2026 | -| **Lyft** | [Nested Transaction Key-Value Store with Value Counts](https://www.fastprep.io/problems/lyft-nested-transaction-key-value-store) | [![Practice][p]](https://www.fastprep.io/problems/lyft-nested-transaction-key-value-store) | 🔥 Aug 31, 2026 | -| **Lyft** | [Rotten Oranges / Grid Infection BFS](https://www.fastprep.io/problems/lyft-rotten-oranges-grid-bfs) | [![Practice][p]](https://www.fastprep.io/problems/lyft-rotten-oranges-grid-bfs) | 🔥 Aug 31, 2026 | -| **Amazon** | [Find Median from Data Stream](https://www.fastprep.io/problems/amazon-find-median-from-data-stream) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-median-from-data-stream) | 🔥 Aug 31, 2026 | -| **Amazon** | [Linked-List Queue with Delete and Deduplication](https://www.fastprep.io/problems/amazon-linked-list-queue-operations) | [![Practice][p]](https://www.fastprep.io/problems/amazon-linked-list-queue-operations) | 🔥 Aug 31, 2026 | -| **Databricks** | [Minimize Commute](https://www.fastprep.io/problems/databricks-minimize-commute) | [![Practice][p]](https://www.fastprep.io/problems/databricks-minimize-commute) | 🔥 Aug 31, 2026 | -| **Google** | [Maximize Two Endpoint Values](https://www.fastprep.io/problems/google-maximize-two-endpoint-values) | [![Practice][p]](https://www.fastprep.io/problems/google-maximize-two-endpoint-values) | 🔥 Aug 31, 2026 | -| **OpenAI** | [Poker Deal and Hand-Winner Simulation](https://www.fastprep.io/problems/openai-poker-deal-and-hand-winner) | [![Practice][p]](https://www.fastprep.io/problems/openai-poker-deal-and-hand-winner) | 🔥 Aug 31, 2026 | -| **Pinterest** | [Expression Add Operators](https://www.fastprep.io/problems/pinterest-expression-add-operators) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-expression-add-operators) | 🔥 Aug 31, 2026 | -| **Pinterest** | [Nested JSON Schema Validator](https://www.fastprep.io/problems/pinterest-nested-json-schema-validator) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-nested-json-schema-validator) | 🔥 Aug 31, 2026 | -| **Matroid** | [Count Good Tuples](https://www.fastprep.io/problems/matroid-count-good-tuples) | [![Practice][p]](https://www.fastprep.io/problems/matroid-count-good-tuples) | 🔥 Aug 30, 2026 | -| **Matroid** | [Validate 3x3 Digit Windows](https://www.fastprep.io/problems/matroid-validate-3x3-digit-windows) | [![Practice][p]](https://www.fastprep.io/problems/matroid-validate-3x3-digit-windows) | 🔥 Aug 30, 2026 | -| **Matroid** | [Diagonal Robot Path Sum](https://www.fastprep.io/problems/matroid-diagonal-robot-path-sum) | [![Practice][p]](https://www.fastprep.io/problems/matroid-diagonal-robot-path-sum) | 🔥 Aug 30, 2026 | -| **Matroid** | [Count House Segments After Destruction](https://www.fastprep.io/problems/matroid-count-house-segments-after-destruction) | [![Practice][p]](https://www.fastprep.io/problems/matroid-count-house-segments-after-destruction) | 🔥 Aug 30, 2026 | -| **Rippling** | [Stateful Log Transform and Search](https://www.fastprep.io/problems/rippling-stateful-log-transform-and-search) | [![Practice][p]](https://www.fastprep.io/problems/rippling-stateful-log-transform-and-search) | 🔥 Aug 30, 2026 | -| **Hadrian** | [Process Graph Rule Validation](https://www.fastprep.io/problems/hadrian-process-graph-rule-validation) | [![Practice][p]](https://www.fastprep.io/problems/hadrian-process-graph-rule-validation) | 🔥 Aug 30, 2026 | -| **DRW** | [Largest Number With Even Digit Frequencies](https://www.fastprep.io/problems/drw-largest-number-even-digit-frequencies) | [![Practice][p]](https://www.fastprep.io/problems/drw-largest-number-even-digit-frequencies) | 🔥 Aug 29, 2026 | -| **DRW** | [Count Balanced Nodes in a Rooted Tree](https://www.fastprep.io/problems/drw-count-balanced-tree-nodes) | [![Practice][p]](https://www.fastprep.io/problems/drw-count-balanced-tree-nodes) | 🔥 Aug 29, 2026 | -| **DRW** | [Shortest Path Around Rectangular Obstacles](https://www.fastprep.io/problems/drw-shortest-path-rectangular-obstacles) | [![Practice][p]](https://www.fastprep.io/problems/drw-shortest-path-rectangular-obstacles) | 🔥 Aug 29, 2026 | -| **Microsoft** | [Maximum String Operations](https://www.fastprep.io/problems/microsoft-maximum-string-operations) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-string-operations) | 🔥 Aug 29, 2026 | -| **Microsoft** | [Authentication System](https://www.fastprep.io/problems/microsoft-authentication-system) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-authentication-system) | 🔥 Aug 29, 2026 | -| **Microsoft** | [Maximum Decrypted Score](https://www.fastprep.io/problems/microsoft-maximum-decrypted-score) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-decrypted-score) | 🔥 Aug 29, 2026 | -| **Microsoft** | [Minimum Team Size From Every Start](https://www.fastprep.io/problems/microsoft-minimum-team-size-from-every-start) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-team-size-from-every-start) | 🔥 Aug 29, 2026 | -| **Microsoft** | [K Most Recent Unique Request IDs](https://www.fastprep.io/problems/microsoft-k-most-recent-unique-request-ids) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-k-most-recent-unique-request-ids) | 🔥 Aug 29, 2026 | -| **Capital One** | [Product of Digits Minus Sum](https://www.fastprep.io/problems/capital-one-product-minus-sum-of-digits) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-product-minus-sum-of-digits) | 🔥 Aug 29, 2026 | -| **Capital One** | [Minimize Expression Value with Parentheses](https://www.fastprep.io/problems/capital-one-minimize-expression-value-with-parentheses) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-minimize-expression-value-with-parentheses) | 🔥 Aug 29, 2026 | -| **Capital One** | [Leftmost Memory Block Allocator](https://www.fastprep.io/problems/capital-one-leftmost-memory-block-allocator) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-leftmost-memory-block-allocator) | 🔥 Aug 29, 2026 | -| **Capital One** | [Optimal Lamp Coordinate](https://www.fastprep.io/problems/capital-one-optimal-lamp-coordinate) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-optimal-lamp-coordinate) | 🔥 Aug 29, 2026 | -| **Roblox** | [Event ID Check Completion Times](https://www.fastprep.io/problems/roblox-event-id-check-completion-times) | [![Practice][p]](https://www.fastprep.io/problems/roblox-event-id-check-completion-times) | 🔥 Aug 29, 2026 | -| **Roblox** | [Count House Segments After Destruction](https://www.fastprep.io/problems/roblox-count-house-segments-after-destruction) | [![Practice][p]](https://www.fastprep.io/problems/roblox-count-house-segments-after-destruction) | 🔥 Aug 29, 2026 | -| **IBM** | [Plus Mult Array](https://www.fastprep.io/problems/ibm-plus-mult-array) | [![Practice][p]](https://www.fastprep.io/problems/ibm-plus-mult-array) | 🔥 Aug 29, 2026 | -| **IBM** | [Get Maximum Amount](https://www.fastprep.io/problems/ibm-get-maximum-amount) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-maximum-amount) | 🔥 Aug 29, 2026 | -| **Goldman Sachs** | [Palindrome Counter](https://www.fastprep.io/problems/count-palindromes) | [![Practice][p]](https://www.fastprep.io/problems/count-palindromes) | 🔥 Aug 29, 2026 | -| **Amazon** | [Minimum Grid Inconvenience](https://www.fastprep.io/problems/amazon-minimum-grid-inconvenience) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-grid-inconvenience) | 🔥 Aug 28, 2026 | -| **IMC** | [Grid Paths with Override Passes](https://www.fastprep.io/problems/imc-grid-paths-with-override-passes) | [![Practice][p]](https://www.fastprep.io/problems/imc-grid-paths-with-override-passes) | 🔥 Aug 28, 2026 | -| **Walmart** | [Minimum Stress Path](https://www.fastprep.io/problems/walmart-minimum-stress-path) | [![Practice][p]](https://www.fastprep.io/problems/walmart-minimum-stress-path) | 🔥 Aug 27, 2026 | -| **Amazon** | [Minimum Merge Conflicts](https://www.fastprep.io/problems/amazon-minimum-merge-conflicts) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-merge-conflicts) | 🔥 Aug 27, 2026 | -| **Amazon** | [Calculate Beauty Values](https://www.fastprep.io/problems/amazon-calculate-beauty-values) | [![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-beauty-values) | 🔥 Aug 27, 2026 | -| **Microsoft** | [Roll the String](https://www.fastprep.io/problems/microsoft-roll-the-string) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-roll-the-string) | 🔥 Aug 27, 2026 | -| **Microsoft** | [Minimum Length Good Subarray](https://www.fastprep.io/problems/microsoft-minimum-length-good-subarray) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-length-good-subarray) | 🔥 Aug 27, 2026 | -| **Maven Securities** | [Prime Factor Visitation](https://www.fastprep.io/problems/maven-securities-prime-factor-visitation) | [![Practice][p]](https://www.fastprep.io/problems/maven-securities-prime-factor-visitation) | 🔥 Aug 26, 2026 | -| **Maven Securities** | [Resource Allocation](https://www.fastprep.io/problems/maven-securities-resource-allocation) | [![Practice][p]](https://www.fastprep.io/problems/maven-securities-resource-allocation) | 🔥 Aug 26, 2026 | -| **TikTok** | [Event ID Check Completion Times](https://www.fastprep.io/problems/tiktok-event-id-check-completion-times) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-event-id-check-completion-times) | 🔥 Aug 26, 2026 | -| **TikTok** | [Leftmost Memory Block Allocator (for mle also :)](https://www.fastprep.io/problems/tiktok-leftmost-memory-block-allocator) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-leftmost-memory-block-allocator) | 🔥 Aug 26, 2026 | -| **TikTok** | [Find Sum Pairs (for mle also :)](https://www.fastprep.io/problems/tiktok-find-sum-pairs) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-find-sum-pairs) | 🔥 Aug 26, 2026 | -| **TikTok** | [Reverse Letters in Pairs](https://www.fastprep.io/problems/tiktok-reverse-letters-in-pairs) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-reverse-letters-in-pairs) | 🔥 Aug 26, 2026 | -| **Amazon** | [Unfulfilled Customers by Inventory Priority](https://www.fastprep.io/problems/1.amazon-unfulfilled-customers-by-inventory-priority) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-unfulfilled-customers-by-inventory-priority) | 🔥 Aug 26, 2026 | -| **ByteDance** | [Match Consecutive Word Boundaries (for mle also :)](https://www.fastprep.io/problems/bytedance-match-consecutive-word-boundaries) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-match-consecutive-word-boundaries) | 🔥 Aug 25, 2026 | -| **ByteDance** | [Minimize Expression Value with Parentheses (for mle also :)](https://www.fastprep.io/problems/bytedance-minimize-expression-value-with-parentheses) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-minimize-expression-value-with-parentheses) | 🔥 Aug 25, 2026 | -| **ByteDance** | [Leftmost Memory Block Allocator (for mle also :)](https://www.fastprep.io/problems/bytedance-leftmost-memory-block-allocator) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-leftmost-memory-block-allocator) | 🔥 Aug 25, 2026 | -| **ByteDance** | [Find Sum Pairs (for mle also :)](https://www.fastprep.io/problems/bytedance-find-sum-pairs) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-find-sum-pairs) | 🔥 Aug 25, 2026 | -| **TikTok** | [Sort Matrix Borders](https://www.fastprep.io/problems/tiktok-sort-matrix-borders) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-sort-matrix-borders) | 🔥 Aug 25, 2026 | -| **TikTok** | [Count Even-Digit Numbers](https://www.fastprep.io/problems/tiktok-count-even-digit-numbers) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-count-even-digit-numbers) | 🔥 Aug 25, 2026 | -| **IBM** | [Expiring Authentication Token Manager](https://www.fastprep.io/problems/ibm-expiring-authentication-token-manager) | [![Practice][p]](https://www.fastprep.io/problems/ibm-expiring-authentication-token-manager) | 🔥 Aug 24, 2026 | -| **Goldman Sachs** | [Maximum Ones After K Operations](https://www.fastprep.io/problems/goldman-sachs-maximum-ones-after-k-operations) | [![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-maximum-ones-after-k-operations) | 🔥 Aug 24, 2026 | -| **Microsoft** | [Maximum Products by Budget](https://www.fastprep.io/problems/1.microsoft-maximum-products-by-budget) | [![Practice][p]](https://www.fastprep.io/problems/1.microsoft-maximum-products-by-budget) | 🔥 Aug 24, 2026 | -| **TikTok** | [Repeated Grouped Digit Sum](https://www.fastprep.io/problems/tiktok-repeated-grouped-digit-sum) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-repeated-grouped-digit-sum) | 🔥 Aug 24, 2026 | -| **Airbnb** | [Progressive Banking System](https://www.fastprep.io/problems/airbnb-progressive-banking-system) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-progressive-banking-system) | 🔥 Aug 23, 2026 | -| **Citadel** | [Maximize Workday Earnings](https://www.fastprep.io/problems/citadel-maximize-workday-earnings) | [![Practice][p]](https://www.fastprep.io/problems/citadel-maximize-workday-earnings) | 🔥 Aug 23, 2026 | -| **Citadel** | [Minimum Changes for Palindromic Blocks](https://www.fastprep.io/problems/citadel-minimum-changes-palindromic-blocks) | [![Practice][p]](https://www.fastprep.io/problems/citadel-minimum-changes-palindromic-blocks) | 🔥 Aug 23, 2026 | -| **Google** | [Assign Locker](https://www.fastprep.io/problems/google-assign-locker) | [![Practice][p]](https://www.fastprep.io/problems/google-assign-locker) | 🔥 Aug 23, 2026 | -| **Microsoft** | [Minimum Fuel Cost Between Cities](https://www.fastprep.io/problems/microsoft-minimum-fuel-cost) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-fuel-cost) | 🔥 Aug 23, 2026 | -| **Barclays** | [Allocate Workers for a Production Ratio](https://www.fastprep.io/problems/barclays-production-ratio-worker-allocation) | [![Practice][p]](https://www.fastprep.io/problems/barclays-production-ratio-worker-allocation) | 🔥 Aug 22, 2026 | -| **Anthropic** | [Cloud Storage System](https://www.fastprep.io/problems/anthropic-cloud-storage-system) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-cloud-storage-system) | 🔥 Aug 22, 2026 | -| **Google** | [Directed Graph Reachability Queries](https://www.fastprep.io/problems/google-directed-graph-reachability-queries) | [![Practice][p]](https://www.fastprep.io/problems/google-directed-graph-reachability-queries) | 🆕 Aug 21, 2026 | -| **Pinterest** | [Phone Spam Report Counter](https://www.fastprep.io/problems/pinterest-phone-spam-report-counter) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-phone-spam-report-counter) | 🆕 Aug 21, 2026 | -| **Pinterest** | [Minimize the Longest Hike Between Rest Stops](https://www.fastprep.io/problems/pinterest-minimize-longest-hike-between-rest-stops) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-minimize-longest-hike-between-rest-stops) | 🆕 Aug 21, 2026 | -| **Netflix** | [Undo and Redo Command History](https://www.fastprep.io/problems/netflix-undo-redo-command-history) | [![Practice][p]](https://www.fastprep.io/problems/netflix-undo-redo-command-history) | 🆕 Aug 21, 2026 | -| **Pinterest** | [Count Ordered Combination Sums with Negative Values](https://www.fastprep.io/problems/pinterest-count-ordered-combination-sums-with-negative-values) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-count-ordered-combination-sums-with-negative-values) | 🆕 Aug 21, 2026 | -| **Pinterest** | [Count Ordered Combination Sums](https://www.fastprep.io/problems/pinterest-count-ordered-combination-sums) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-count-ordered-combination-sums) | 🆕 Aug 21, 2026 | -| **Pinterest** | [Fixed-Length Combination Sum](https://www.fastprep.io/problems/pinterest-fixed-length-combination-sum) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-fixed-length-combination-sum) | 🆕 Aug 21, 2026 | -| **Pinterest** | [Combination Sum with Single-Use Values](https://www.fastprep.io/problems/pinterest-combination-sum-with-single-use) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-combination-sum-with-single-use) | 🆕 Aug 21, 2026 | -| **Pinterest** | [Combination Sum with Reusable Values](https://www.fastprep.io/problems/pinterest-combination-sum-with-reuse) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-combination-sum-with-reuse) | 🆕 Aug 21, 2026 | -| **Affirm** | [Assign Sequential Loan Identifiers](https://www.fastprep.io/problems/affirm-assign-sequential-loan-identifiers) | [![Practice][p]](https://www.fastprep.io/problems/affirm-assign-sequential-loan-identifiers) | 🆕 Aug 21, 2026 | -| **Affirm** | [Normalize Loan Merchants to Root Businesses](https://www.fastprep.io/problems/affirm-normalize-loan-merchants-to-root-business) | [![Practice][p]](https://www.fastprep.io/problems/affirm-normalize-loan-merchants-to-root-business) | 🆕 Aug 21, 2026 | -| **Apple** | [Design Hash Map](https://www.fastprep.io/problems/apple-design-hashmap) | [![Practice][p]](https://www.fastprep.io/problems/apple-design-hashmap) | 🆕 Aug 21, 2026 | -| **Rippling** | [Delivery Cost Tracker with Effective-Dated Rates](https://www.fastprep.io/problems/rippling-delivery-cost-tracker-with-rate-history) | [![Practice][p]](https://www.fastprep.io/problems/rippling-delivery-cost-tracker-with-rate-history) | 🆕 Aug 21, 2026 | -| **ByteDance** | [Search in a Rotated Sorted Array with Duplicates](https://www.fastprep.io/problems/bytedance-search-in-rotated-sorted-array-with-duplicates) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-search-in-rotated-sorted-array-with-duplicates) | 🆕 Aug 21, 2026 | -| **OpenAI** | [One-Nearest-Neighbor Classification](https://www.fastprep.io/problems/openai-one-nearest-neighbor-classification) | [![Practice][p]](https://www.fastprep.io/problems/openai-one-nearest-neighbor-classification) | 🆕 Aug 21, 2026 | -| **OpenAI** | [Plant Infection Simulation, Part 4: Death Countdown](https://www.fastprep.io/problems/openai-infection-simulation-part-4) | [![Practice][p]](https://www.fastprep.io/problems/openai-infection-simulation-part-4) | 🆕 Aug 21, 2026 | -| **Illumio** | [Least Recently Used Cache](https://www.fastprep.io/problems/illumio-least-recently-used-cache) | [![Practice][p]](https://www.fastprep.io/problems/illumio-least-recently-used-cache) | 🆕 Aug 21, 2026 | -| **Cursor** | [Filesystem Hash Tree](https://www.fastprep.io/problems/cursor-filesystem-hash-tree) | [![Practice][p]](https://www.fastprep.io/problems/cursor-filesystem-hash-tree) | 🆕 Aug 21, 2026 | -| **Google** | [Minimum Racks for Server Resources](https://www.fastprep.io/problems/google-minimum-racks-for-server-resources) | [![Practice][p]](https://www.fastprep.io/problems/google-minimum-racks-for-server-resources) | 🆕 Aug 21, 2026 | -| **Meta** | [First Common Ancestor with Parent Pointers](https://www.fastprep.io/problems/meta-first-common-ancestor-with-parent-pointers) | [![Practice][p]](https://www.fastprep.io/problems/meta-first-common-ancestor-with-parent-pointers) | 🆕 Aug 21, 2026 | -| **Meta** | [Minimum Removal for Balanced Parentheses](https://www.fastprep.io/problems/meta-minimum-removal-for-balanced-parentheses) | [![Practice][p]](https://www.fastprep.io/problems/meta-minimum-removal-for-balanced-parentheses) | 🆕 Aug 21, 2026 | -| **Google** | [Count Prefix Paths in a Character Graph](https://www.fastprep.io/problems/google-count-prefix-paths-in-character-graph) | [![Practice][p]](https://www.fastprep.io/problems/google-count-prefix-paths-in-character-graph) | 🆕 Aug 21, 2026 | -| **Airbnb** | [Cloud Storage with User Backup and Restore](https://www.fastprep.io/problems/airbnb-cloud-storage-backup-and-restore) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-cloud-storage-backup-and-restore) | 🆕 Aug 21, 2026 | -| **Anthropic** | [Task Management System](https://www.fastprep.io/problems/anthropic-task-management-system) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-task-management-system) | 🆕 Aug 21, 2026 | -| **General Motors** | [Per-Client Sliding-Window Rate Limiter](https://www.fastprep.io/problems/general-motors-per-client-sliding-window-rate-limiter) | [![Practice][p]](https://www.fastprep.io/problems/general-motors-per-client-sliding-window-rate-limiter) | 🆕 Aug 21, 2026 | -| **Netflix** | [Timed Cache with Sidecar Cleanup](https://www.fastprep.io/problems/netflix-timed-cache-with-sidecar-cleanup) | [![Practice][p]](https://www.fastprep.io/problems/netflix-timed-cache-with-sidecar-cleanup) | 🆕 Aug 21, 2026 | -| **ByteDance** | [Count Numbers with an Even Digit Count](https://www.fastprep.io/problems/bytedance-count-even-digit-numbers) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-count-even-digit-numbers) | 🆕 Aug 21, 2026 | -| **ByteDance** | [Sorted Absolute-Difference Sums Across Cyclic Shifts](https://www.fastprep.io/problems/bytedance-cyclic-shift-absolute-difference-sums) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-cyclic-shift-absolute-difference-sums) | 🆕 Aug 21, 2026 | -| **ByteDance** | [Sort Concentric Matrix Borders Clockwise](https://www.fastprep.io/problems/bytedance-sort-matrix-borders) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-sort-matrix-borders) | 🆕 Aug 21, 2026 | -| **ByteDance** | [Count House Segments After Sequential Destruction](https://www.fastprep.io/problems/bytedance-count-house-segments-after-destruction) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-count-house-segments-after-destruction) | 🆕 Aug 21, 2026 | -| **Quince** | [Minimum Sprinklers to Cover an Interval](https://www.fastprep.io/problems/quince-minimum-sprinklers-to-cover-an-interval) | [![Practice][p]](https://www.fastprep.io/problems/quince-minimum-sprinklers-to-cover-an-interval) | 🆕 Aug 21, 2026 | -| **Quince** | [Check a Repeated String as a Subsequence](https://www.fastprep.io/problems/quince-check-a-repeated-string-as-a-subsequence) | [![Practice][p]](https://www.fastprep.io/problems/quince-check-a-repeated-string-as-a-subsequence) | 🆕 Aug 21, 2026 | -| **Temu** | [Merge Two Sorted Collections Without Duplicates](https://www.fastprep.io/problems/temu-merge-two-sorted-collections-without-duplicates) | [![Practice][p]](https://www.fastprep.io/problems/temu-merge-two-sorted-collections-without-duplicates) | 🆕 Aug 21, 2026 | -| **IBM** | [Drawing Edge](https://www.fastprep.io/problems/ibm-drawing-edge) | [![Practice][p]](https://www.fastprep.io/problems/ibm-drawing-edge) | 🆕 Aug 20, 2026 | -| **IBM** | [Increasing-Value Triplets Under a Threshold](https://www.fastprep.io/problems/ibm-increasing-value-triplets-under-threshold) | [![Practice][p]](https://www.fastprep.io/problems/ibm-increasing-value-triplets-under-threshold) | 🆕 Aug 20, 2026 | -| **Meta** | [Maximum Unique-Character Word Subset](https://www.fastprep.io/problems/meta-maximum-unique-character-word-subset) | [![Practice][p]](https://www.fastprep.io/problems/meta-maximum-unique-character-word-subset) | 🆕 Aug 20, 2026 | -| **Meta** | [Validate a Palindrome After Limited Deletions](https://www.fastprep.io/problems/meta-palindrome-k-deletions) | [![Practice][p]](https://www.fastprep.io/problems/meta-palindrome-k-deletions) | 🆕 Aug 20, 2026 | -| **Meta** | [Minimum-Sum Root-to-Leaf Path](https://www.fastprep.io/problems/meta-minimum-sum-root-to-leaf-path) | [![Practice][p]](https://www.fastprep.io/problems/meta-minimum-sum-root-to-leaf-path) | 🆕 Aug 20, 2026 | -| **Nuro** | [Schedule Buffered Video Playback](https://www.fastprep.io/problems/nuro-schedule-buffered-video-playback) | [![Practice][p]](https://www.fastprep.io/problems/nuro-schedule-buffered-video-playback) | 🆕 Aug 20, 2026 | -| **Nuro** | [Reveal a Minesweeper Region](https://www.fastprep.io/problems/nuro-reveal-minesweeper-region) | [![Practice][p]](https://www.fastprep.io/problems/nuro-reveal-minesweeper-region) | 🆕 Aug 20, 2026 | -| **IBM** | [Count Invalid Log Groups](https://www.fastprep.io/problems/ibm-count-invalid-log-groups) | [![Practice][p]](https://www.fastprep.io/problems/ibm-count-invalid-log-groups) | 🆕 Aug 18, 2026 | -| **IBM** | [Count Paginated Medical Records in a Range](https://www.fastprep.io/problems/ibm-count-paginated-medical-records-in-range) | [![Practice][p]](https://www.fastprep.io/problems/ibm-count-paginated-medical-records-in-range) | 🆕 Aug 18, 2026 | -| **IMC** | [Rock Jumping](https://www.fastprep.io/problems/imc-rock-jumping) | [![Practice][p]](https://www.fastprep.io/problems/imc-rock-jumping) | 🆕 Aug 13, 2026 | -| **IMC** | [Stack Batch Removal](https://www.fastprep.io/problems/imc-stack-batch-removal) | [![Practice][p]](https://www.fastprep.io/problems/imc-stack-batch-removal) | 🆕 Aug 13, 2026 | -| **IBM** | [Maximize Consecutive XOR](https://www.fastprep.io/problems/ibm-maximize-consecutive-xor) | [![Practice][p]](https://www.fastprep.io/problems/ibm-maximize-consecutive-xor) | 🆕 Aug 09, 2026 | -| **IBM** | [Count Digit Holes](https://www.fastprep.io/problems/ibm-count-digit-holes) | [![Practice][p]](https://www.fastprep.io/problems/ibm-count-digit-holes) | 🆕 Aug 09, 2026 | -| **TikTok** | [Distribution Center Package Allocation](https://www.fastprep.io/problems/tiktok-distribution-center-package-allocation) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-distribution-center-package-allocation) | 🆕 Aug 05, 2026 | -| **TikTok** | [Concatenate Digit-wise Sums](https://www.fastprep.io/problems/tiktok-concatenate-digit-wise-sums) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-concatenate-digit-wise-sums) | 🆕 Aug 05, 2026 | -| **TikTok** | [Count 2x2 Submatrices by Black Cells](https://www.fastprep.io/problems/tiktok-count-black-blocks) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-count-black-blocks) | 🆕 Aug 05, 2026 | -| **TikTok** | [Count House Segments After Destruction](https://www.fastprep.io/problems/tiktok-count-house-segments-after-destruction) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-count-house-segments-after-destruction) | 🆕 Aug 05, 2026 | -| **TikTok** | [Debugger Breakpoint Actions](https://www.fastprep.io/problems/tiktok-debugger-breakpoint-actions) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-debugger-breakpoint-actions) | 🆕 Aug 05, 2026 | -| **TikTok** | [Find All Local Peaks](https://www.fastprep.io/problems/tiktok-find-all-local-peaks) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-find-all-local-peaks) | 🆕 Aug 05, 2026 | -| **TikTok** | [Minimum Height Difference Between Distant Peaks](https://www.fastprep.io/problems/tiktok-minimum-height-difference-between-distant-peaks) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-minimum-height-difference-between-distant-peaks) | 🆕 Aug 05, 2026 | -| **TikTok** | [Minimum Operations for Stepwise Structures](https://www.fastprep.io/problems/tiktok-minimum-operations-for-stepwise-structures) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-minimum-operations-for-stepwise-structures) | 🆕 Aug 05, 2026 | -| **TikTok** | [Rating Level After Changes](https://www.fastprep.io/problems/tiktok-rating-level-after-changes) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-rating-level-after-changes) | 🆕 Aug 05, 2026 | -| **TikTok** | [Space Station Shuttle Missions](https://www.fastprep.io/problems/tiktok-space-station-shuttle-missions) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-space-station-shuttle-missions) | 🆕 Aug 05, 2026 | -| **IMC** | [Weighted LFU Cache](https://www.fastprep.io/problems/imc-weighted-lfu-cache) | [![Practice][p]](https://www.fastprep.io/problems/imc-weighted-lfu-cache) | 🆕 Aug 05, 2026 | -| **TikTok** | [Count Case-Insensitive Triplets](https://www.fastprep.io/problems/tiktok-count-case-insensitive-triplets) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-count-case-insensitive-triplets) | 🆕 Aug 04, 2026 | -| **TikTok** | [Linear Warehouse Drone Delivery](https://www.fastprep.io/problems/tiktok-linear-warehouse-drone-delivery) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-linear-warehouse-drone-delivery) | 🆕 Aug 04, 2026 | -| **Capital One** | [Obstacle Placement Queries](https://www.fastprep.io/problems/capital-one-obstacle-placement-queries) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-obstacle-placement-queries) | 🆕 Aug 04, 2026 | -| **TikTok** | [Product Minus Sum of Digits](https://www.fastprep.io/problems/tiktok-product-minus-sum-of-digits) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-product-minus-sum-of-digits) | 🆕 Aug 04, 2026 | -| **IMC** | [Chain of Command](https://www.fastprep.io/problems/imc-chain-of-command) | [![Practice][p]](https://www.fastprep.io/problems/imc-chain-of-command) | 🆕 Aug 04, 2026 | -| **IMC** | [Choose Containers](https://www.fastprep.io/problems/imc-choose-containers) | [![Practice][p]](https://www.fastprep.io/problems/imc-choose-containers) | 🆕 Aug 04, 2026 | -| **HSBC** | [Minimum Satellite Data Transfer Iterations](https://www.fastprep.io/problems/hsbc-minimum-satellite-transfer-iterations) | [![Practice][p]](https://www.fastprep.io/problems/hsbc-minimum-satellite-transfer-iterations) | 🆕 Aug 03, 2026 | -| **HSBC** | [Organization Reputation After Employee Departures](https://www.fastprep.io/problems/hsbc-organization-reputation-after-departures) | [![Practice][p]](https://www.fastprep.io/problems/hsbc-organization-reputation-after-departures) | 🆕 Aug 03, 2026 | -| **HSBC** | [Remove Vowels from a String](https://www.fastprep.io/problems/hsbc-remove-vowels) | [![Practice][p]](https://www.fastprep.io/problems/hsbc-remove-vowels) | 🆕 Aug 03, 2026 | -| **Infosys** | [Count Valid A-B-C Sequences Under a Modulo-Four Rule](https://www.fastprep.io/problems/infosys-count-valid-abc-sequences-mod-four) | [![Practice][p]](https://www.fastprep.io/problems/infosys-count-valid-abc-sequences-mod-four) | 🆕 Aug 02, 2026 | -| **Infosys** | [Maximum Product of a Strictly Increasing Contiguous Subarray](https://www.fastprep.io/problems/infosys-maximum-product-increasing-subarray) | [![Practice][p]](https://www.fastprep.io/problems/infosys-maximum-product-increasing-subarray) | 🆕 Aug 02, 2026 | -| **Infosys** | [Minimum Cost to Assign Candidates to Two Cities](https://www.fastprep.io/problems/infosys-two-city-candidate-assignment-cost) | [![Practice][p]](https://www.fastprep.io/problems/infosys-two-city-candidate-assignment-cost) | 🆕 Aug 02, 2026 | -| **Superhuman** | [Reverse a Singly Linked List](https://www.fastprep.io/problems/superhuman-reverse-linked-list) | [![Practice][p]](https://www.fastprep.io/problems/superhuman-reverse-linked-list) | 🆕 Jul 31, 2026 | -| **Superhuman** | [Recover a Tree from Preorder Depth Encoding](https://www.fastprep.io/problems/superhuman-recover-tree-from-preorder-depth) | [![Practice][p]](https://www.fastprep.io/problems/superhuman-recover-tree-from-preorder-depth) | 🆕 Jul 31, 2026 | -| **Superhuman** | [Deep Copy a Singly Linked List](https://www.fastprep.io/problems/superhuman-deep-copy-linked-list) | [![Practice][p]](https://www.fastprep.io/problems/superhuman-deep-copy-linked-list) | 🆕 Jul 31, 2026 | -| **Superhuman** | [Deep Copy a Random-Pointer List](https://www.fastprep.io/problems/superhuman-copy-random-pointer-list) | [![Practice][p]](https://www.fastprep.io/problems/superhuman-copy-random-pointer-list) | 🆕 Jul 31, 2026 | -| **Amazon** | [Meeting Rooms II](https://www.fastprep.io/problems/amazon-meeting-rooms-ii) | [![Practice][p]](https://www.fastprep.io/problems/amazon-meeting-rooms-ii) | 🆕 Jul 30, 2026 | -| **Microsoft** | [Maximum Score with Prime Jumps](https://www.fastprep.io/problems/microsoft-maximum-score-with-prime-jumps) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-score-with-prime-jumps) | 🆕 Jul 30, 2026 | -| **Visa** | [Connected Groups](https://www.fastprep.io/problems/visa-connected-groups) | [![Practice][p]](https://www.fastprep.io/problems/visa-connected-groups) | 🆕 Jul 30, 2026 | -| **Visa** | [Perfect Substrings](https://www.fastprep.io/problems/visa-perfect-substring) | [![Practice][p]](https://www.fastprep.io/problems/visa-perfect-substring) | 🆕 Jul 30, 2026 | -| **Oracle** | [Alphabetically Maximum Substring](https://www.fastprep.io/problems/oracle-alphabetically-maximum-substring) | [![Practice][p]](https://www.fastprep.io/problems/oracle-alphabetically-maximum-substring) | 🆕 Jul 30, 2026 | -| **Lyft** | [Stateful Paginated Fetch N](https://www.fastprep.io/problems/lyft-stateful-paginated-fetch-n) | [![Practice][p]](https://www.fastprep.io/problems/lyft-stateful-paginated-fetch-n) | 🆕 Jul 30, 2026 | -| **StackAdapt** | [Nested Recipe Inventory Manager](https://www.fastprep.io/problems/stackadapt-nested-recipe-inventory-manager) | [![Practice][p]](https://www.fastprep.io/problems/stackadapt-nested-recipe-inventory-manager) | 🆕 Jul 30, 2026 | -| **Snowflake** | [Distributed Tree Counting State Machine](https://www.fastprep.io/problems/snowflake-distributed-tree-counting-state-machine) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-distributed-tree-counting-state-machine) | 🆕 Jul 30, 2026 | -| **Snowflake** | [Maximum Number of Events That Can Be Attended](https://www.fastprep.io/problems/snowflake-maximum-number-of-events-that-can-be-attended) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-maximum-number-of-events-that-can-be-attended) | 🆕 Jul 30, 2026 | -| **Amazon** | [Single Element in a Sorted Array](https://www.fastprep.io/problems/amazon-single-element-in-sorted-array) | [![Practice][p]](https://www.fastprep.io/problems/amazon-single-element-in-sorted-array) | 🆕 Jul 30, 2026 | -| **eBay** | [K Smallest Elements from Sorted Arrays](https://www.fastprep.io/problems/ebay-k-smallest-from-sorted-arrays) | [![Practice][p]](https://www.fastprep.io/problems/ebay-k-smallest-from-sorted-arrays) | 🆕 Jul 30, 2026 | -| **eBay** | [Single-Pass Search in a Rotated Sorted Array](https://www.fastprep.io/problems/ebay-single-pass-rotated-array-search) | [![Practice][p]](https://www.fastprep.io/problems/ebay-single-pass-rotated-array-search) | 🆕 Jul 30, 2026 | -| **Opendoor** | [Finite Same-Origin Web Crawler](https://www.fastprep.io/problems/opendoor-finite-web-crawler) | [![Practice][p]](https://www.fastprep.io/problems/opendoor-finite-web-crawler) | 🆕 Jul 30, 2026 | -| **Oracle** | [Enumerate Right-and-Down Matrix Paths](https://www.fastprep.io/problems/oracle-enumerate-right-down-matrix-paths) | [![Practice][p]](https://www.fastprep.io/problems/oracle-enumerate-right-down-matrix-paths) | 🆕 Jul 30, 2026 | -| **Oracle** | [Maximize Movie Ratings Without Consecutive Skips](https://www.fastprep.io/problems/oracle-maximize-movie-ratings) | [![Practice][p]](https://www.fastprep.io/problems/oracle-maximize-movie-ratings) | 🆕 Jul 30, 2026 | -| **DoorDash** | [Random Dasher Set Operations](https://www.fastprep.io/problems/doordash-random-dasher-set) | [![Practice][p]](https://www.fastprep.io/problems/doordash-random-dasher-set) | 🆕 Jul 30, 2026 | -| **Databricks** | [Key-Value Store with Hit Counter](https://www.fastprep.io/problems/databricks-key-value-store-with-hit-counter) | [![Practice][p]](https://www.fastprep.io/problems/databricks-key-value-store-with-hit-counter) | 🆕 Jul 30, 2026 | -| **Oracle** | [Best Time to Buy and Sell Stock](https://www.fastprep.io/problems/oracle-best-time-to-buy-and-sell-stock) | [![Practice][p]](https://www.fastprep.io/problems/oracle-best-time-to-buy-and-sell-stock) | 🆕 Jul 30, 2026 | -| **IBM** | [String-Pair Frequency Similarity](https://www.fastprep.io/problems/ibm-string-pair-frequency-similarity) | [![Practice][p]](https://www.fastprep.io/problems/ibm-string-pair-frequency-similarity) | 🆕 Jul 30, 2026 | -| **Cognitiv** | [Word Search](https://www.fastprep.io/problems/cognitiv-word-search) | [![Practice][p]](https://www.fastprep.io/problems/cognitiv-word-search) | 🆕 Jul 29, 2026 | -| **Reddit** | [Chatter Message Window](https://www.fastprep.io/problems/reddit-chatter-message-window) | [![Practice][p]](https://www.fastprep.io/problems/reddit-chatter-message-window) | 🆕 Jul 29, 2026 | -| **Amazon** | [Count the Number of Complete Components](https://www.fastprep.io/problems/amazon-count-complete-components) | [![Practice][p]](https://www.fastprep.io/problems/amazon-count-complete-components) | 🆕 Jul 29, 2026 | -| **Amazon** | [Cousins in Binary Tree II](https://www.fastprep.io/problems/amazon-cousins-in-binary-tree-ii) | [![Practice][p]](https://www.fastprep.io/problems/amazon-cousins-in-binary-tree-ii) | 🆕 Jul 29, 2026 | -| **Squarepoint** | [Evaluating Circuit Expressions](https://www.fastprep.io/problems/squarepoint-evaluating-circuit-expressions) | [![Practice][p]](https://www.fastprep.io/problems/squarepoint-evaluating-circuit-expressions) | 🆕 Jul 29, 2026 | -| **Rippling** | [Filter and Sort Scheduled Tasks](https://www.fastprep.io/problems/rippling-filter-and-sort-scheduled-tasks) | [![Practice][p]](https://www.fastprep.io/problems/rippling-filter-and-sort-scheduled-tasks) | 🆕 Jul 29, 2026 | -| **Google** | [Longest Subarray with Sum at Most K](https://www.fastprep.io/problems/google-longest-subarray-sum-at-most-k) | [![Practice][p]](https://www.fastprep.io/problems/google-longest-subarray-sum-at-most-k) | 🆕 Jul 29, 2026 | -| **Google** | [Maximum Sum Path Between Two Leaf Nodes](https://www.fastprep.io/problems/google-maximum-leaf-to-leaf-path-sum) | [![Practice][p]](https://www.fastprep.io/problems/google-maximum-leaf-to-leaf-path-sum) | 🆕 Jul 29, 2026 | -| **Amazon** | [Minimum Operations to Make an Array Continuous](https://www.fastprep.io/problems/amazon-minimum-operations-to-make-array-continuous) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-operations-to-make-array-continuous) | 🆕 Jul 29, 2026 | -| **Lyft** | [Minimum Window Substring](https://www.fastprep.io/problems/lyft-minimum-window-substring) | [![Practice][p]](https://www.fastprep.io/problems/lyft-minimum-window-substring) | 🆕 Jul 29, 2026 | -| **Netflix** | [Movie Billboard Rotation](https://www.fastprep.io/problems/netflix-movie-billboard-rotation) | [![Practice][p]](https://www.fastprep.io/problems/netflix-movie-billboard-rotation) | 🆕 Jul 29, 2026 | -| **Instacart** | [Product Total With the Cheapest Promotion](https://www.fastprep.io/problems/instacart-product-total-with-cheapest-promotion) | [![Practice][p]](https://www.fastprep.io/problems/instacart-product-total-with-cheapest-promotion) | 🆕 Jul 29, 2026 | -| **Airbnb** | [Recipe Management System](https://www.fastprep.io/problems/airbnb-recipe-management-system) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-recipe-management-system) | 🆕 Jul 29, 2026 | -| **Instacart** | [Sort Products by Aisle With Frozen Items Last](https://www.fastprep.io/problems/instacart-sort-products-by-aisle-with-frozen-last) | [![Practice][p]](https://www.fastprep.io/problems/instacart-sort-products-by-aisle-with-frozen-last) | 🆕 Jul 29, 2026 | -| **Amazon** | [Vertical Order Traversal of a Binary Tree](https://www.fastprep.io/problems/amazon-vertical-order-traversal-of-binary-tree) | [![Practice][p]](https://www.fastprep.io/problems/amazon-vertical-order-traversal-of-binary-tree) | 🆕 Jul 29, 2026 | -| **Harness** | [Streaming Ingredient Dishes](https://www.fastprep.io/problems/harness-streaming-ingredient-dishes) | [![Practice][p]](https://www.fastprep.io/problems/harness-streaming-ingredient-dishes) | 🆕 Jul 28, 2026 | -| **Oracle** | [Add One to a Number Represented as Digits](https://www.fastprep.io/problems/oracle-plus-one-digits) | [![Practice][p]](https://www.fastprep.io/problems/oracle-plus-one-digits) | 🆕 Jul 28, 2026 | -| **Oracle** | [Top K Frequent Elements with Larger-Value Tie Break](https://www.fastprep.io/problems/oracle-top-k-frequent-elements) | [![Practice][p]](https://www.fastprep.io/problems/oracle-top-k-frequent-elements) | 🆕 Jul 28, 2026 | -| **Virtu Financial** | [Profit Analysis](https://www.fastprep.io/problems/virtu-profit-analysis) | [![Practice][p]](https://www.fastprep.io/problems/virtu-profit-analysis) | 🆕 Jul 28, 2026 | -| **Virtu Financial** | [Banking Transaction Exceptions](https://www.fastprep.io/problems/virtu-banking-transaction-exceptions) | [![Practice][p]](https://www.fastprep.io/problems/virtu-banking-transaction-exceptions) | 🆕 Jul 28, 2026 | -| **Virtu Financial** | [FIX Message Reconciliation](https://www.fastprep.io/problems/virtu-fix-message-reconciliation) | [![Practice][p]](https://www.fastprep.io/problems/virtu-fix-message-reconciliation) | 🆕 Jul 28, 2026 | -| **Amazon** | [HTTP Request Redirection](https://www.fastprep.io/problems/amazon-http-request-redirection) | [![Practice][p]](https://www.fastprep.io/problems/amazon-http-request-redirection) | 🆕 Jul 28, 2026 | -| **Google** | [Split a Log Outside Quotes](https://www.fastprep.io/problems/google-split-log-outside-quotes) | [![Practice][p]](https://www.fastprep.io/problems/google-split-log-outside-quotes) | 🆕 Jul 28, 2026 | -| **Stripe** | [Group Linked Merchant Records](https://www.fastprep.io/problems/stripe-linked-merchant-groups) | [![Practice][p]](https://www.fastprep.io/problems/stripe-linked-merchant-groups) | 🆕 Jul 28, 2026 | -| **Apple** | [Insert Interval](https://www.fastprep.io/problems/apple-insert-interval) | [![Practice][p]](https://www.fastprep.io/problems/apple-insert-interval) | 🆕 Jul 28, 2026 | -| **Google** | [Decode String](https://www.fastprep.io/problems/google-decode-string) | [![Practice][p]](https://www.fastprep.io/problems/google-decode-string) | 🆕 Jul 28, 2026 | -| **Lyft** | [Minimum Workers with Job Assignments](https://www.fastprep.io/problems/lyft-minimum-workers-job-assignments) | [![Practice][p]](https://www.fastprep.io/problems/lyft-minimum-workers-job-assignments) | 🆕 Jul 28, 2026 | -| **Databricks** | [Blocking Keyed Cache with Waiting Readers](https://www.fastprep.io/problems/databricks-blocking-keyed-cache) | [![Practice][p]](https://www.fastprep.io/problems/databricks-blocking-keyed-cache) | 🆕 Jul 28, 2026 | -| **Google** | [Phone Keypad Letter Combinations](https://www.fastprep.io/problems/google-phone-keypad-letter-combinations) | [![Practice][p]](https://www.fastprep.io/problems/google-phone-keypad-letter-combinations) | 🆕 Jul 28, 2026 | -| **Google** | [Count Prefix Matches in a Sorted Array](https://www.fastprep.io/problems/google-count-prefix-matches) | [![Practice][p]](https://www.fastprep.io/problems/google-count-prefix-matches) | 🆕 Jul 28, 2026 | -| **Uber** | [Minimum Refueling Stops](https://www.fastprep.io/problems/uber-minimum-refueling-stops) | [![Practice][p]](https://www.fastprep.io/problems/uber-minimum-refueling-stops) | 🆕 Jul 28, 2026 | -| **OpenAI** | [Segmented Durable Key-Value Store](https://www.fastprep.io/problems/openai-segmented-durable-key-value-store) | [![Practice][p]](https://www.fastprep.io/problems/openai-segmented-durable-key-value-store) | 🆕 Jul 28, 2026 | -| **Cresta** | [Particle Moves to Target](https://www.fastprep.io/problems/cresta-particle-moves-to-target) | [![Practice][p]](https://www.fastprep.io/problems/cresta-particle-moves-to-target) | 🆕 Jul 28, 2026 | -| **Cresta** | [Top Three Companies by Profit](https://www.fastprep.io/problems/cresta-top-three-companies-by-profit) | [![Practice][p]](https://www.fastprep.io/problems/cresta-top-three-companies-by-profit) | 🆕 Jul 28, 2026 | -| **Cresta** | [Rightward Bacteria Consumption](https://www.fastprep.io/problems/cresta-rightward-bacteria-consumption) | [![Practice][p]](https://www.fastprep.io/problems/cresta-rightward-bacteria-consumption) | 🆕 Jul 28, 2026 | -| **Spotnana** | [Optimal Card Game Score](https://www.fastprep.io/problems/spotnana-optimal-card-game-score) | [![Practice][p]](https://www.fastprep.io/problems/spotnana-optimal-card-game-score) | 🆕 Jul 27, 2026 | -| **Zomato / Eternal** | [Maximum Production Within Power](https://www.fastprep.io/problems/zomato-eternal-maximum-production-within-power) | [![Practice][p]](https://www.fastprep.io/problems/zomato-eternal-maximum-production-within-power) | 🆕 Jul 27, 2026 | -| **Zomato / Eternal** | [Rearrange Songs by Author](https://www.fastprep.io/problems/zomato-eternal-rearrange-songs-by-author) | [![Practice][p]](https://www.fastprep.io/problems/zomato-eternal-rearrange-songs-by-author) | 🆕 Jul 27, 2026 | -| **Kikoff** | [JSON Identity Verification](https://www.fastprep.io/problems/kikoff-json-identity-verification) | [![Practice][p]](https://www.fastprep.io/problems/kikoff-json-identity-verification) | 🆕 Jul 27, 2026 | -| **The Allen Institute for AI** | [Streaming Step Progress Hierarchy](https://www.fastprep.io/problems/ai2-streaming-step-progress-hierarchy) | [![Practice][p]](https://www.fastprep.io/problems/ai2-streaming-step-progress-hierarchy) | 🆕 Jul 27, 2026 | -| **Airbnb** | [Parcel Event Tracking](https://www.fastprep.io/problems/airbnb-parcel-event-tracking) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-parcel-event-tracking) | 🆕 Jul 27, 2026 | -| **Apple** | [Group Transitive String Aliases](https://www.fastprep.io/problems/apple-transitive-alias-groups) | [![Practice][p]](https://www.fastprep.io/problems/apple-transitive-alias-groups) | 🆕 Jul 27, 2026 | -| **Nooks** | [Majority Labels over Audio Intervals](https://www.fastprep.io/problems/nooks-majority-label-audio-intervals) | [![Practice][p]](https://www.fastprep.io/problems/nooks-majority-label-audio-intervals) | 🆕 Jul 27, 2026 | -| **Coinbase** | [In-Memory Database](https://www.fastprep.io/problems/coinbase-in-memory-database) | [![Practice][p]](https://www.fastprep.io/problems/coinbase-in-memory-database) | 🆕 Jul 27, 2026 | -| **Shopify** | [Deterministic Secret Santa Assignment](https://www.fastprep.io/problems/shopify-deterministic-secret-santa-assignment) | [![Practice][p]](https://www.fastprep.io/problems/shopify-deterministic-secret-santa-assignment) | 🆕 Jul 27, 2026 | -| **OpenAI** | [Durable String Key-Value Store](https://www.fastprep.io/problems/openai-durable-string-key-value-store) | [![Practice][p]](https://www.fastprep.io/problems/openai-durable-string-key-value-store) | 🆕 Jul 27, 2026 | -| **Confluent** | [Match a Variadic Function Signature](https://www.fastprep.io/problems/confluent-variadic-function-signature-match) | [![Practice][p]](https://www.fastprep.io/problems/confluent-variadic-function-signature-match) | 🆕 Jul 27, 2026 | -| **Google** | [Ad Score Scheduler With Delay](https://www.fastprep.io/problems/google-ad-score-scheduler-with-delay) | [![Practice][p]](https://www.fastprep.io/problems/google-ad-score-scheduler-with-delay) | 🆕 Jul 27, 2026 | -| **Google** | [Alternating-Color Binary Tree Roots](https://www.fastprep.io/problems/google-alternating-binary-tree-roots) | [![Practice][p]](https://www.fastprep.io/problems/google-alternating-binary-tree-roots) | 🆕 Jul 27, 2026 | -| **Spotnana** | [Minimize Maximum Pilot Workload](https://www.fastprep.io/problems/spotnana-minimize-maximum-pilot-workload) | [![Practice][p]](https://www.fastprep.io/problems/spotnana-minimize-maximum-pilot-workload) | 🆕 Jul 27, 2026 | -| **Amazon** | [Resolve Task Dependencies](https://www.fastprep.io/problems/amazon-resolve-task-dependencies) | [![Practice][p]](https://www.fastprep.io/problems/amazon-resolve-task-dependencies) | 🆕 Jul 27, 2026 | -| **Google** | [Route Pattern Matcher](https://www.fastprep.io/problems/google-route-pattern-matcher) | [![Practice][p]](https://www.fastprep.io/problems/google-route-pattern-matcher) | 🆕 Jul 27, 2026 | -| **Airbnb** | [Worker Management, Part 1: Office Registration](https://www.fastprep.io/problems/airbnb-worker-management-level-1) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-worker-management-level-1) | 🆕 Jul 26, 2026 | -| **Airbnb** | [Worker Management, Part 2: Top Workers](https://www.fastprep.io/problems/airbnb-worker-management-level-2) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-worker-management-level-2) | 🆕 Jul 26, 2026 | -| **Airbnb** | [Worker Management, Part 3: Promotions and Salary](https://www.fastprep.io/problems/airbnb-worker-management-level-3) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-worker-management-level-3) | 🆕 Jul 26, 2026 | -| **Stripe** | [Merchant Fraud Risk Scoring](https://www.fastprep.io/problems/stripe-merchant-fraud-risk-scoring) | [![Practice][p]](https://www.fastprep.io/problems/stripe-merchant-fraud-risk-scoring) | 🆕 Jul 26, 2026 | -| **Boston Consulting Group** | [Dynamic Pair Sum Queries](https://www.fastprep.io/problems/bcg-dynamic-pair-sum-queries) | [![Practice][p]](https://www.fastprep.io/problems/bcg-dynamic-pair-sum-queries) | 🆕 Jul 26, 2026 | -| **Boston Consulting Group** | [Find a Submatrix Matching a Pattern](https://www.fastprep.io/problems/bcg-find-submatrix-matching-pattern) | [![Practice][p]](https://www.fastprep.io/problems/bcg-find-submatrix-matching-pattern) | 🆕 Jul 26, 2026 | -| **Boston Consulting Group** | [Longest Contiguous Character Run](https://www.fastprep.io/problems/bcg-longest-contiguous-character-run) | [![Practice][p]](https://www.fastprep.io/problems/bcg-longest-contiguous-character-run) | 🆕 Jul 26, 2026 | -| **Boston Consulting Group** | [Even-Position Monotonicity](https://www.fastprep.io/problems/boston-consulting-group-even-position-monotonicity) | [![Practice][p]](https://www.fastprep.io/problems/boston-consulting-group-even-position-monotonicity) | 🆕 Jul 26, 2026 | -| **Airbnb** | [Worker Management with Full-Shift Double Pay](https://www.fastprep.io/problems/airbnb-worker-management-full-shift-grants) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-worker-management-full-shift-grants) | 🆕 Jul 26, 2026 | -| **Hudson River Trading** | [Count 2x2 Submatrices by Black Cells](https://www.fastprep.io/problems/hrt-count-black-blocks) | [![Practice][p]](https://www.fastprep.io/problems/hrt-count-black-blocks) | 🆕 Jul 26, 2026 | -| **Hudson River Trading** | [Cumulative Unique Bytes](https://www.fastprep.io/problems/hrt-cumulative-unique-bytes) | [![Practice][p]](https://www.fastprep.io/problems/hrt-cumulative-unique-bytes) | 🆕 Jul 26, 2026 | -| **Upstart** | [Minimum Absolute Pair Difference](https://www.fastprep.io/problems/upstart-minimum-absolute-pair-difference) | [![Practice][p]](https://www.fastprep.io/problems/upstart-minimum-absolute-pair-difference) | 🆕 Jul 26, 2026 | -| **Upstart** | [Lexicographic Word Frequencies](https://www.fastprep.io/problems/upstart-lexicographic-word-frequencies) | [![Practice][p]](https://www.fastprep.io/problems/upstart-lexicographic-word-frequencies) | 🆕 Jul 26, 2026 | -| **Upstart** | [Sum Multiples of 3, 5, or 7 Below N](https://www.fastprep.io/problems/upstart-sum-multiples-of-three-five-seven) | [![Practice][p]](https://www.fastprep.io/problems/upstart-sum-multiples-of-three-five-seven) | 🆕 Jul 26, 2026 | -| **Upstart** | [Add Drama to Text Groups](https://www.fastprep.io/problems/upstart-add-drama-punctuation) | [![Practice][p]](https://www.fastprep.io/problems/upstart-add-drama-punctuation) | 🆕 Jul 26, 2026 | -| **DE Shaw** | [Maximum L1 Distance Between Equal-Length Subarrays](https://www.fastprep.io/problems/deshaw-maximum-l1-distance-equal-length-subarrays) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-maximum-l1-distance-equal-length-subarrays) | 🆕 Jul 26, 2026 | -| **Airbnb** | [Nested List Iterator with Remove](https://www.fastprep.io/problems/airbnb-nested-list-iterator-with-remove) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-nested-list-iterator-with-remove) | 🆕 Jul 26, 2026 | -| **Citadel** | [Limit Order Book Matching Engine](https://www.fastprep.io/problems/citadel-limit-order-book-matching-engine) | [![Practice][p]](https://www.fastprep.io/problems/citadel-limit-order-book-matching-engine) | 🆕 Jul 26, 2026 | -| **Hudson River Trading** | [Market Data Signal Watcher](https://www.fastprep.io/problems/hudson-river-market-data-signal-watcher) | [![Practice][p]](https://www.fastprep.io/problems/hudson-river-market-data-signal-watcher) | 🆕 Jul 26, 2026 | -| **Databricks** | [Rectangular K-in-a-Row](https://www.fastprep.io/problems/databricks-rectangular-k-in-a-row) | [![Practice][p]](https://www.fastprep.io/problems/databricks-rectangular-k-in-a-row) | 🆕 Jul 26, 2026 | -| **Amazon** | [Shortest Distance on a Circular Bus Route](https://www.fastprep.io/problems/amazon-shortest-distance-circular-bus-route) | [![Practice][p]](https://www.fastprep.io/problems/amazon-shortest-distance-circular-bus-route) | 🆕 Jul 26, 2026 | -| **Salesforce** | [Optimal Account Balancing](https://www.fastprep.io/problems/salesforce-optimal-account-balancing) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-optimal-account-balancing) | 🆕 Jul 25, 2026 | -| **Google** | [Count Sortable Splits](https://www.fastprep.io/problems/google-count-sortable-splits) | [![Practice][p]](https://www.fastprep.io/problems/google-count-sortable-splits) | 🆕 Jul 25, 2026 | -| **Stripe** | [Rule-Driven Transaction Fraud Detection](https://www.fastprep.io/problems/stripe-rule-driven-transaction-fraud-detection) | [![Practice][p]](https://www.fastprep.io/problems/stripe-rule-driven-transaction-fraud-detection) | 🆕 Jul 25, 2026 | -| **OpenAI** | [Prefix Matrix Products and Autograd](https://www.fastprep.io/problems/openai-prefix-matrix-products-autograd) | [![Practice][p]](https://www.fastprep.io/problems/openai-prefix-matrix-products-autograd) | 🆕 Jul 25, 2026 | -| **Pinterest** | [Nested Set Structural Equivalence](https://www.fastprep.io/problems/pinterest-nested-set-structural-equivalence) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-nested-set-structural-equivalence) | 🆕 Jul 25, 2026 | -| **TikTok** | [Bubble Explosion](https://www.fastprep.io/problems/tiktok-bubble-explosion) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-bubble-explosion) | 🆕 Jul 25, 2026 | -| **TikTok** | [Reconstruct Landmark Journey](https://www.fastprep.io/problems/tiktok-reconstruct-landmark-journey) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-reconstruct-landmark-journey) | 🆕 Jul 25, 2026 | -| **TikTok** | [Reverse the Interior of Vowel-Bounded Words](https://www.fastprep.io/problems/tiktok-reverse-interior-of-vowel-words) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-reverse-interior-of-vowel-words) | 🆕 Jul 25, 2026 | -| **TikTok** | [Uppercase-Lowercase Difference](https://www.fastprep.io/problems/tiktok-uppercase-lowercase-difference) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-uppercase-lowercase-difference) | 🆕 Jul 25, 2026 | -| **Salesforce** | [Longest Increasing Subsequence](https://www.fastprep.io/problems/salesforce-longest-increasing-subsequence) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-longest-increasing-subsequence) | 🆕 Jul 24, 2026 | -| **Salesforce** | [Maximal Square](https://www.fastprep.io/problems/salesforce-maximal-square) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-maximal-square) | 🆕 Jul 24, 2026 | -| **MathWorks** | [Beautiful Arrangement](https://www.fastprep.io/problems/mathworks-beautiful-arrangement) | [![Practice][p]](https://www.fastprep.io/problems/mathworks-beautiful-arrangement) | 🆕 Jul 24, 2026 | -| **MathWorks** | [Find Minimum Cost to Remove Array Elements](https://www.fastprep.io/problems/mathworks-find-minimum-cost-to-remove-array-elements) | [![Practice][p]](https://www.fastprep.io/problems/mathworks-find-minimum-cost-to-remove-array-elements) | 🆕 Jul 24, 2026 | -| **Apple** | [Design Task Manager](https://www.fastprep.io/problems/apple-design-task-manager) | [![Practice][p]](https://www.fastprep.io/problems/apple-design-task-manager) | 🆕 Jul 24, 2026 | -| **Apple** | [Unit Conversion II](https://www.fastprep.io/problems/apple-unit-conversion-ii) | [![Practice][p]](https://www.fastprep.io/problems/apple-unit-conversion-ii) | 🆕 Jul 24, 2026 | -| **Cresta** | [Feature Flag Evaluation Engine](https://www.fastprep.io/problems/cresta-feature-flag-evaluation-engine) | [![Practice][p]](https://www.fastprep.io/problems/cresta-feature-flag-evaluation-engine) | 🆕 Jul 24, 2026 | -| **MathWorks** | [Group Shifted Strings](https://www.fastprep.io/problems/mathworks-group-shifted-strings) | [![Practice][p]](https://www.fastprep.io/problems/mathworks-group-shifted-strings) | 🆕 Jul 24, 2026 | -| **MathWorks** | [Longest Valid Parentheses](https://www.fastprep.io/problems/mathworks-longest-valid-parentheses) | [![Practice][p]](https://www.fastprep.io/problems/mathworks-longest-valid-parentheses) | 🆕 Jul 24, 2026 | -| **Akuna** | [Profitable Project Pairs](https://www.fastprep.io/problems/akuna-profitable-project-pairs) | [![Practice][p]](https://www.fastprep.io/problems/akuna-profitable-project-pairs) | 🆕 Jul 23, 2026 | -| **Goldman Sachs** | [Validate Binary Search Tree](https://www.fastprep.io/problems/goldman-sachs-validate-binary-search-tree) | [![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-validate-binary-search-tree) | 🆕 Jul 23, 2026 | -| **Visa** | [Maximum Server Processing Time](https://www.fastprep.io/problems/visa-maximum-server-processing-time) | [![Practice][p]](https://www.fastprep.io/problems/visa-maximum-server-processing-time) | 🆕 Jul 23, 2026 | -| **Visa** | [Signal Pings](https://www.fastprep.io/problems/visa-signal-pings) | [![Practice][p]](https://www.fastprep.io/problems/visa-signal-pings) | 🆕 Jul 23, 2026 | -| **Visa** | [Sum of Index-Ordered Pair Differences](https://www.fastprep.io/problems/visa-sum-of-index-pair-differences) | [![Practice][p]](https://www.fastprep.io/problems/visa-sum-of-index-pair-differences) | 🆕 Jul 23, 2026 | -| **Bloomberg** | [Word Break II](https://www.fastprep.io/problems/bloomberg-word-break-ii) | [![Practice][p]](https://www.fastprep.io/problems/bloomberg-word-break-ii) | 🆕 Jul 22, 2026 | -| **Microsoft** | [Binary String Swap Time](https://www.fastprep.io/problems/microsoft-binary-string-swap-time) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-binary-string-swap-time) | 🆕 Jul 22, 2026 | -| **Microsoft** | [Minimum Effort Task Schedule](https://www.fastprep.io/problems/microsoft-minimum-effort-task-schedule) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-effort-task-schedule) | 🆕 Jul 22, 2026 | -| **Tekion** | [Longest Balanced Substring After One Swap](https://www.fastprep.io/problems/tekion-longest-balanced-substring-after-one-swap) | [![Practice][p]](https://www.fastprep.io/problems/tekion-longest-balanced-substring-after-one-swap) | 🆕 Jul 22, 2026 | -| **Amazon** | [Sort an Array with Rotate and Flip](https://www.fastprep.io/problems/amazon-sort-array-with-rotate-and-flip) | [![Practice][p]](https://www.fastprep.io/problems/amazon-sort-array-with-rotate-and-flip) | 🆕 Jul 22, 2026 | -| **Akuna** | [Calculate Portfolio Rebalancing Deltas](https://www.fastprep.io/problems/akuna-portfolio-rebalancing-deltas) | [![Practice][p]](https://www.fastprep.io/problems/akuna-portfolio-rebalancing-deltas) | 🆕 Jul 22, 2026 | -| **Akuna** | [Maximum Label Difference in a Connected Component](https://www.fastprep.io/problems/akuna-maximum-component-label-difference) | [![Practice][p]](https://www.fastprep.io/problems/akuna-maximum-component-label-difference) | 🆕 Jul 22, 2026 | -| **Akuna** | [Minimize Malware Spread by Removing a Node](https://www.fastprep.io/problems/akuna-minimize-malware-spread) | [![Practice][p]](https://www.fastprep.io/problems/akuna-minimize-malware-spread) | 🆕 Jul 22, 2026 | -| **Akuna** | [Sort Array by Frequency](https://www.fastprep.io/problems/akuna-items-sort) | [![Practice][p]](https://www.fastprep.io/problems/akuna-items-sort) | 🆕 Jul 22, 2026 | -| **TikTok** | [Count Access Code Pairs](https://www.fastprep.io/problems/tiktok-count-access-code-pairs) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-count-access-code-pairs) | 🆕 Jul 22, 2026 | -| **TikTok** | [Count Key Changes](https://www.fastprep.io/problems/tiktok-count-key-changes) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-count-key-changes) | 🆕 Jul 22, 2026 | -| **TikTok** | [Travel Distance on Scooters](https://www.fastprep.io/problems/tiktok-travel-distance-on-scooters) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-travel-distance-on-scooters) | 🆕 Jul 22, 2026 | -| **TikTok** | [Validate 3x3 Digit Windows](https://www.fastprep.io/problems/tiktok-validate-3x3-digit-windows) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-validate-3x3-digit-windows) | 🆕 Jul 22, 2026 | -| **Two Sigma** | [Online No-Intercept Linear Regression](https://www.fastprep.io/problems/two-sigma-online-no-intercept-linear-regression) | [![Practice][p]](https://www.fastprep.io/problems/two-sigma-online-no-intercept-linear-regression) | 🆕 Jul 22, 2026 | -| **Optiver** | [Overheat Prevention Controller](https://www.fastprep.io/problems/optiver-overheat-prevention-controller) | [![Practice][p]](https://www.fastprep.io/problems/optiver-overheat-prevention-controller) | 🆕 Jul 22, 2026 | -| **DRW** | [Last Round for Each Player](https://www.fastprep.io/problems/drw-last-round-for-each-player) | [![Practice][p]](https://www.fastprep.io/problems/drw-last-round-for-each-player) | 🆕 Jul 22, 2026 | -| **DRW** | [Shortest Compressed Length After Removal](https://www.fastprep.io/problems/drw-shortest-compressed-length-after-removal) | [![Practice][p]](https://www.fastprep.io/problems/drw-shortest-compressed-length-after-removal) | 🆕 Jul 22, 2026 | -| **Amazon** | [Loyal Customers Across Two Days](https://www.fastprep.io/problems/amazon-loyal-customers) | [![Practice][p]](https://www.fastprep.io/problems/amazon-loyal-customers) | Jul 21, 2026 | -| **Amazon** | [Smallest Number With a Given Digit Sum](https://www.fastprep.io/problems/amazon-smallest-number-with-digit-sum) | [![Practice][p]](https://www.fastprep.io/problems/amazon-smallest-number-with-digit-sum) | Jul 21, 2026 | -| **Oracle** | [Merge k Sorted Lists](https://www.fastprep.io/problems/oracle-merge-k-sorted-lists) | [![Practice][p]](https://www.fastprep.io/problems/oracle-merge-k-sorted-lists) | Jul 21, 2026 | -| **Airbnb** | [Most Frequent Reduced Digit](https://www.fastprep.io/problems/airbnb-most-frequent-reduced-digit) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-most-frequent-reduced-digit) | Jul 20, 2026 | -| **Airbnb** | [Rectangle Fit Queries](https://www.fastprep.io/problems/airbnb-rectangle-fit-queries) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-rectangle-fit-queries) | Jul 20, 2026 | -| **Airbnb** | [Robot Final Direction](https://www.fastprep.io/problems/airbnb-robot-final-direction) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-robot-final-direction) | Jul 20, 2026 | -| **Airbnb** | [Robot Inventory Tracking](https://www.fastprep.io/problems/airbnb-robot-inventory-tracking) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-robot-inventory-tracking) | Jul 20, 2026 | -| **Akuna** | [Communications Handler](https://www.fastprep.io/problems/akuna-communications-handler) | [![Practice][p]](https://www.fastprep.io/problems/akuna-communications-handler) | Jul 20, 2026 | -| **Amazon** | [Basic Calculator](https://www.fastprep.io/problems/amazon-basic-calculator) | [![Practice][p]](https://www.fastprep.io/problems/amazon-basic-calculator) | Jul 20, 2026 | -| **Amazon** | [Distance Between Two Tree Nodes](https://www.fastprep.io/problems/amazon-distance-between-tree-nodes) | [![Practice][p]](https://www.fastprep.io/problems/amazon-distance-between-tree-nodes) | Jul 20, 2026 | -| **Capital One** | [Format a Newspaper Page](https://www.fastprep.io/problems/capital-one-format-newspaper-page) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-format-newspaper-page) | Jul 20, 2026 | -| **Akuna** | [Maximum K-Star Sum](https://www.fastprep.io/problems/akuna-maximum-k-star-sum) | [![Practice][p]](https://www.fastprep.io/problems/akuna-maximum-k-star-sum) | Jul 20, 2026 | -| **Microsoft** | [Maximum Pipeline Throughput](https://www.fastprep.io/problems/microsoft-maximum-pipeline-throughput) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-pipeline-throughput) | Jul 20, 2026 | -| **Microsoft** | [Maximum Strong Team Subarray](https://www.fastprep.io/problems/microsoft-maximum-strong-team-subarray) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-strong-team-subarray) | Jul 20, 2026 | -| **PhonePe** | [Luna and the Colorful Socks](https://www.fastprep.io/problems/phonepe-colorful-socks) | [![Practice][p]](https://www.fastprep.io/problems/phonepe-colorful-socks) | Jul 20, 2026 | -| **Capital One** | [Alternate String Ends](https://www.fastprep.io/problems/capital-one-alternating-string-ends) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-alternating-string-ends) | Jul 19, 2026 | -| **Capital One** | [Sort Every Matrix Border Layer](https://www.fastprep.io/problems/capital-one-sort-matrix-border-layers) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-sort-matrix-border-layers) | Jul 19, 2026 | -| **Capital One** | [Round-Robin WDL Order](https://www.fastprep.io/problems/capital-one-round-robin-wdl-order) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-round-robin-wdl-order) | Jul 19, 2026 | -| **Waymo** | [Average or Zero](https://www.fastprep.io/problems/waymo-average-or-zero) | [![Practice][p]](https://www.fastprep.io/problems/waymo-average-or-zero) | Jul 19, 2026 | -| **Visa** | [Minimum Score of a Path Between Cities](https://www.fastprep.io/problems/visa-minimum-score-path-between-cities) | [![Practice][p]](https://www.fastprep.io/problems/visa-minimum-score-path-between-cities) | Jul 18, 2026 | -| **IDFC** | [Smallest Adjacent Concatenation](https://www.fastprep.io/problems/idfc-smallest-adjacent-concatenation) | [![Practice][p]](https://www.fastprep.io/problems/idfc-smallest-adjacent-concatenation) | Jul 18, 2026 | -| **IDFC** | [Minimum Cake Cuts](https://www.fastprep.io/problems/idfc-minimum-cake-cuts) | [![Practice][p]](https://www.fastprep.io/problems/idfc-minimum-cake-cuts) | Jul 18, 2026 | -| **Goldman Sachs** | [Inherited Role Permissions](https://www.fastprep.io/problems/goldman-sachs-role-permissions) | [![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-role-permissions) | Jul 17, 2026 | -| **Goldman Sachs** | [Root of the Largest Tree](https://www.fastprep.io/problems/goldman-sachs-largest-tree-root) | [![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-largest-tree-root) | Jul 17, 2026 | -| **Microsoft** | [Alphabetically Smallest Palindrome](https://www.fastprep.io/problems/microsoft-alphabetically-smallest-palindrome) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-alphabetically-smallest-palindrome) | Jul 16, 2026 | -| **Microsoft** | [Maximum Reward Points](https://www.fastprep.io/problems/microsoft-get-maximum-reward-points) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-get-maximum-reward-points) | Jul 16, 2026 | -| **Zomato / Eternal** | [Robot Warehouse Optimization](https://www.fastprep.io/problems/zomato-robot-warehouse-optimization) | [![Practice][p]](https://www.fastprep.io/problems/zomato-robot-warehouse-optimization) | Jul 16, 2026 | -| **Google** | [Count Good Numbers](https://www.fastprep.io/problems/google-count-good-numbers) | [![Practice][p]](https://www.fastprep.io/problems/google-count-good-numbers) | Jul 15, 2026 | -| **Google** | [Count Element Symbol Decompositions](https://www.fastprep.io/problems/google-count-element-symbol-decompositions) | [![Practice][p]](https://www.fastprep.io/problems/google-count-element-symbol-decompositions) | Jul 15, 2026 | -| **Google** | [Convert Snake Case to Camel Case](https://www.fastprep.io/problems/google-convert-snake-case-to-camel-case) | [![Practice][p]](https://www.fastprep.io/problems/google-convert-snake-case-to-camel-case) | Jul 15, 2026 | -| **Uber** | [Last Truck to Leave the Lane](https://www.fastprep.io/problems/uber-last-truck-to-leave-the-lane) | [![Practice][p]](https://www.fastprep.io/problems/uber-last-truck-to-leave-the-lane) | Jul 15, 2026 | -| **Citadel** | [Minimum Image Processing Cost](https://www.fastprep.io/problems/citadel-minimum-image-processing-cost) | [![Practice][p]](https://www.fastprep.io/problems/citadel-minimum-image-processing-cost) | Jul 15, 2026 | -| **IBM** | [Count Strictly Increasing Subsequences of Length 3](https://www.fastprep.io/problems/ibm-count-increasing-subsequences-length-three) | [![Practice][p]](https://www.fastprep.io/problems/ibm-count-increasing-subsequences-length-three) | Jul 15, 2026 | -| **Goldman Sachs** | [Alternating Parity Permutations](https://www.fastprep.io/problems/goldman-sachs-alternating-parity-permutations) | [![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-alternating-parity-permutations) | Jul 15, 2026 | -| **Arcesium** | [Ordered Payload Release](https://www.fastprep.io/problems/arcesium-ordered-payload-release) | [![Practice][p]](https://www.fastprep.io/problems/arcesium-ordered-payload-release) | Jul 15, 2026 | -| **ByteDance** | [Most Frequent Integer with Smaller Tie-Break](https://www.fastprep.io/problems/bytedance-most-frequent-integer-smaller-tie) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-most-frequent-integer-smaller-tie) | Jul 15, 2026 | -| **Uber** | [Chain of Command](https://www.fastprep.io/problems/uber-chain-of-command) | [![Practice][p]](https://www.fastprep.io/problems/uber-chain-of-command) | Jul 14, 2026 | -| **New Relic** | [Product of Array Except Self](https://www.fastprep.io/problems/new-relic-product-of-array-except-self) | [![Practice][p]](https://www.fastprep.io/problems/new-relic-product-of-array-except-self) | Jul 13, 2026 | -| **OpenAI** | [CIDR IPv4 Range Iterator](https://www.fastprep.io/problems/openai-cidr-ipv4-iterator) | [![Practice][p]](https://www.fastprep.io/problems/openai-cidr-ipv4-iterator) | Jul 12, 2026 | -| **OpenAI** | [IPv4 Forward Iterator](https://www.fastprep.io/problems/openai-ipv4-forward-iterator) | [![Practice][p]](https://www.fastprep.io/problems/openai-ipv4-forward-iterator) | Jul 12, 2026 | -| **OpenAI** | [IPv4 Reverse Iterator](https://www.fastprep.io/problems/openai-ipv4-reverse-iterator) | [![Practice][p]](https://www.fastprep.io/problems/openai-ipv4-reverse-iterator) | Jul 12, 2026 | -| **OpenAI** | [Convert an IPv4 Range to Minimal CIDR Blocks](https://www.fastprep.io/problems/openai-ip-range-to-cidr) | [![Practice][p]](https://www.fastprep.io/problems/openai-ip-range-to-cidr) | Jul 12, 2026 | -| **OpenAI** | [Toy Language Generic Return-Type Inference](https://www.fastprep.io/problems/openai-toy-language-return-type-inference) | [![Practice][p]](https://www.fastprep.io/problems/openai-toy-language-return-type-inference) | Jul 12, 2026 | -| **OpenAI** | [Count Matching Regions in Two Binary Grids](https://www.fastprep.io/problems/openai-count-matching-grid-regions) | [![Practice][p]](https://www.fastprep.io/problems/openai-count-matching-grid-regions) | Jul 12, 2026 | -| **OpenAI** | [Largest Square Subgrid Under a Sum Limit](https://www.fastprep.io/problems/openai-largest-square-subgrid-under-sum-limit) | [![Practice][p]](https://www.fastprep.io/problems/openai-largest-square-subgrid-under-sum-limit) | Jul 12, 2026 | -| **OpenAI** | [Backpropagation Through Sort and Median](https://www.fastprep.io/problems/openai-backpropagation-through-sort-and-median) | [![Practice][p]](https://www.fastprep.io/problems/openai-backpropagation-through-sort-and-median) | Jul 12, 2026 | -| **Anthropic** | [Repair the Bootloader Program](https://www.fastprep.io/problems/anthropic-repair-bootloader-program) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-repair-bootloader-program) | Jul 12, 2026 | -| **Anthropic** | [Normalize a DNS Domain Name](https://www.fastprep.io/problems/anthropic-normalize-dns-name) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-normalize-dns-name) | Jul 12, 2026 | -| **Anthropic** | [Worker Management, Part 1: Office Registration](https://www.fastprep.io/problems/anthropic-worker-management-level-1) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-worker-management-level-1) | Jul 12, 2026 | -| **Anthropic** | [Worker Management, Part 2: Top Workers](https://www.fastprep.io/problems/anthropic-worker-management-level-2) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-worker-management-level-2) | Jul 12, 2026 | -| **Anthropic** | [Worker Management, Part 3: Promotions and Salary](https://www.fastprep.io/problems/anthropic-worker-management-level-3) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-worker-management-level-3) | Jul 12, 2026 | -| **Anthropic** | [Worker Management, Part 4: Double-Paid Intervals](https://www.fastprep.io/problems/anthropic-worker-management-level-4) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-worker-management-level-4) | Jul 12, 2026 | -| **Anthropic** | [Cloud Storage Compression and Decompression](https://www.fastprep.io/problems/anthropic-cloud-storage-compression) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-cloud-storage-compression) | Jul 12, 2026 | -| **Anthropic** | [In-Memory Database Historical Lookup](https://www.fastprep.io/problems/anthropic-in-memory-database-historical-lookup) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-in-memory-database-historical-lookup) | Jul 12, 2026 | -| **Anthropic** | [Banking Pending Transfer Acceptance](https://www.fastprep.io/problems/anthropic-banking-pending-transfer-acceptance) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-banking-pending-transfer-acceptance) | Jul 12, 2026 | -| **Anthropic** | [Cloud Storage File Versioning](https://www.fastprep.io/problems/anthropic-cloud-storage-file-versioning) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-cloud-storage-file-versioning) | Jul 12, 2026 | -| **Anthropic** | [Cloud Storage Prefix Trash and Restore](https://www.fastprep.io/problems/anthropic-cloud-storage-prefix-trash) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-cloud-storage-prefix-trash) | Jul 12, 2026 | -| **Amazon** | [Number of Islands II](https://www.fastprep.io/problems/amazon-number-of-islands-ii) | [![Practice][p]](https://www.fastprep.io/problems/amazon-number-of-islands-ii) | Jul 12, 2026 | -| **Amazon** | [Course Schedule](https://www.fastprep.io/problems/amazon-course-schedule) | [![Practice][p]](https://www.fastprep.io/problems/amazon-course-schedule) | Jul 12, 2026 | -| **Amazon** | [Maximum Sum of Heights](https://www.fastprep.io/problems/amazon-maximum-sum-of-heights) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-sum-of-heights) | Jul 12, 2026 | -| **Amazon** | [Longest Palindromic Subsequence](https://www.fastprep.io/problems/amazon-longest-palindromic-subsequence) | [![Practice][p]](https://www.fastprep.io/problems/amazon-longest-palindromic-subsequence) | Jul 12, 2026 | -| **Amazon** | [Group Anagrams](https://www.fastprep.io/problems/amazon-group-anagrams) | [![Practice][p]](https://www.fastprep.io/problems/amazon-group-anagrams) | Jul 12, 2026 | -| **Amazon** | [Maximal Square](https://www.fastprep.io/problems/amazon-maximal-square) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximal-square) | Jul 12, 2026 | -| **Amazon** | [Sliding Window Maximum](https://www.fastprep.io/problems/amazon-sliding-window-maximum) | [![Practice][p]](https://www.fastprep.io/problems/amazon-sliding-window-maximum) | Jul 12, 2026 | -| **Agoda** | [3Sum](https://www.fastprep.io/problems/agoda-three-sum) | [![Practice][p]](https://www.fastprep.io/problems/agoda-three-sum) | Jul 12, 2026 | -| **JP Morgan** | [Bitwise XOR Subsequences](https://www.fastprep.io/problems/jpmorgan-bitwise-xor-subsequences) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-bitwise-xor-subsequences) | Jul 12, 2026 | -| **Stripe** | [Deployment Window Scheduler](https://www.fastprep.io/problems/stripe-deployment-window-scheduler) | [![Practice][p]](https://www.fastprep.io/problems/stripe-deployment-window-scheduler) | Jul 12, 2026 | -| **TikTok** | [Obstacle Placement Queries](https://www.fastprep.io/problems/tiktok-obstacle-placement-queries) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-obstacle-placement-queries) | Jul 12, 2026 | -| **Upstart** | [Coordinate Bounding Box](https://www.fastprep.io/problems/upstart-coordinate-bounding-box) | [![Practice][p]](https://www.fastprep.io/problems/upstart-coordinate-bounding-box) | Jul 12, 2026 | -| **Upstart** | [Increase Exclamations and Convert Periods](https://www.fastprep.io/problems/upstart-transform-punctuation) | [![Practice][p]](https://www.fastprep.io/problems/upstart-transform-punctuation) | Jul 12, 2026 | -| **Upstart** | [Interleave Equal-Length Strings by Column](https://www.fastprep.io/problems/upstart-interleave-equal-length-strings) | [![Practice][p]](https://www.fastprep.io/problems/upstart-interleave-equal-length-strings) | Jul 12, 2026 | -| **Upstart** | [Scale Ingredient Quantities](https://www.fastprep.io/problems/upstart-scale-ingredient-quantities) | [![Practice][p]](https://www.fastprep.io/problems/upstart-scale-ingredient-quantities) | Jul 12, 2026 | -| **IDFC** | [Find All People With Secret](https://www.fastprep.io/problems/idfc-find-all-people-with-secret) | [![Practice][p]](https://www.fastprep.io/problems/idfc-find-all-people-with-secret) | Jul 12, 2026 | -| **Optiver** | [Power Cell Bank](https://www.fastprep.io/problems/optiver-power-cell-bank) | [![Practice][p]](https://www.fastprep.io/problems/optiver-power-cell-bank) | Jul 12, 2026 | -| **DRW** | [Doctor Appointment Slot Assignment](https://www.fastprep.io/problems/drw-doctor-appointment-slot-assignment) | [![Practice][p]](https://www.fastprep.io/problems/drw-doctor-appointment-slot-assignment) | Jul 12, 2026 | -| **DRW** | [Maximum Even-Sum Neighboring Pairs](https://www.fastprep.io/problems/drw-maximum-even-sum-neighboring-pairs) | [![Practice][p]](https://www.fastprep.io/problems/drw-maximum-even-sum-neighboring-pairs) | Jul 12, 2026 | -| **DRW** | [Minimize Maximum Group Difference](https://www.fastprep.io/problems/drw-minimize-maximum-group-difference) | [![Practice][p]](https://www.fastprep.io/problems/drw-minimize-maximum-group-difference) | Jul 12, 2026 | -| **Goldman Sachs** | [Cheapest Flights Within K Stops](https://www.fastprep.io/problems/goldman-sachs-cheapest-flights-within-k-stops) | [![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-cheapest-flights-within-k-stops) | Jul 12, 2026 | -| **Goldman Sachs** | [Word Ladder](https://www.fastprep.io/problems/goldman-sachs-word-ladder) | [![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-word-ladder) | Jul 12, 2026 | -| **Rippling** | [Delivery Cost Tracker](https://www.fastprep.io/problems/rippling-delivery-cost-tracker) | [![Practice][p]](https://www.fastprep.io/problems/rippling-delivery-cost-tracker) | Jul 12, 2026 | -| **Rippling** | [Corporate Card Expense Rules](https://www.fastprep.io/problems/rippling-corporate-card-rules-engine) | [![Practice][p]](https://www.fastprep.io/problems/rippling-corporate-card-rules-engine) | Jul 12, 2026 | -| **Rippling** | [Camel Cards](https://www.fastprep.io/problems/rippling-camel-cards) | [![Practice][p]](https://www.fastprep.io/problems/rippling-camel-cards) | Jul 12, 2026 | -| **Rippling** | [Article Vote Tracker](https://www.fastprep.io/problems/rippling-article-vote-tracker) | [![Practice][p]](https://www.fastprep.io/problems/rippling-article-vote-tracker) | Jul 12, 2026 | -| **Rippling** | [Employee Resource Access Management](https://www.fastprep.io/problems/rippling-employee-access-management) | [![Practice][p]](https://www.fastprep.io/problems/rippling-employee-access-management) | Jul 12, 2026 | -| **Rippling** | [Limit an Organization Tree's Height](https://www.fastprep.io/problems/rippling-org-tree-height-control) | [![Practice][p]](https://www.fastprep.io/problems/rippling-org-tree-height-control) | Jul 12, 2026 | -| **Rippling** | [Distributed System Recovery](https://www.fastprep.io/problems/rippling-distributed-system-recovery) | [![Practice][p]](https://www.fastprep.io/problems/rippling-distributed-system-recovery) | Jul 12, 2026 | -| **Rippling** | [Server Upgrade Planning](https://www.fastprep.io/problems/rippling-server-upgrade-planning) | [![Practice][p]](https://www.fastprep.io/problems/rippling-server-upgrade-planning) | Jul 12, 2026 | -| **Rippling** | [Shortest Substring](https://www.fastprep.io/problems/rippling-shortest-substring) | [![Practice][p]](https://www.fastprep.io/problems/rippling-shortest-substring) | Jul 12, 2026 | -| **Rippling** | [Song Play Analytics](https://www.fastprep.io/problems/rippling-song-play-analytics) | [![Practice][p]](https://www.fastprep.io/problems/rippling-song-play-analytics) | Jul 12, 2026 | -| **Rippling** | [Lexicographically Minimum Stack Encryption](https://www.fastprep.io/problems/rippling-lexicographically-minimum-encryption) | [![Practice][p]](https://www.fastprep.io/problems/rippling-lexicographically-minimum-encryption) | Jul 12, 2026 | -| **Rippling** | [Minimum Account Settlements](https://www.fastprep.io/problems/rippling-minimum-account-settlements) | [![Practice][p]](https://www.fastprep.io/problems/rippling-minimum-account-settlements) | Jul 12, 2026 | -| **Rippling** | [Matrix Region Sum](https://www.fastprep.io/problems/rippling-matrix-block-sum) | [![Practice][p]](https://www.fastprep.io/problems/rippling-matrix-block-sum) | Jul 12, 2026 | -| **Rippling** | [Maximum XOR Elimination Score](https://www.fastprep.io/problems/rippling-maximum-xor-elimination-score) | [![Practice][p]](https://www.fastprep.io/problems/rippling-maximum-xor-elimination-score) | Jul 12, 2026 | -| **Rippling** | [Prime Tree City Labelings](https://www.fastprep.io/problems/rippling-prime-tree-labelings) | [![Practice][p]](https://www.fastprep.io/problems/rippling-prime-tree-labelings) | Jul 12, 2026 | -| **Zomato / Eternal** | [Jump Game IV](https://www.fastprep.io/problems/zomato-jump-game-iv) | [![Practice][p]](https://www.fastprep.io/problems/zomato-jump-game-iv) | Jul 12, 2026 | -| **IndiaMART** | [Reverse a String](https://www.fastprep.io/problems/indiamart-reverse-string) | [![Practice][p]](https://www.fastprep.io/problems/indiamart-reverse-string) | Jul 12, 2026 | -| **Moody's** | [Longest Subarray with At Most Two Distinct Values](https://www.fastprep.io/problems/moodys-longest-subarray-at-most-two-distinct) | [![Practice][p]](https://www.fastprep.io/problems/moodys-longest-subarray-at-most-two-distinct) | Jul 12, 2026 | -| **MulticoreWare** | [Minimum Coin Change](https://www.fastprep.io/problems/multicoreware-minimum-coin-change) | [![Practice][p]](https://www.fastprep.io/problems/multicoreware-minimum-coin-change) | Jul 12, 2026 | -| **MulticoreWare** | [Second Distinct Largest Element](https://www.fastprep.io/problems/multicoreware-second-distinct-largest-element) | [![Practice][p]](https://www.fastprep.io/problems/multicoreware-second-distinct-largest-element) | Jul 12, 2026 | -| **Shipsy** | [Largest Rectangle in Histogram](https://www.fastprep.io/problems/shipsy-largest-rectangle-in-histogram) | [![Practice][p]](https://www.fastprep.io/problems/shipsy-largest-rectangle-in-histogram) | Jul 12, 2026 | -| **Stryker** | [Squares of a Sorted Array](https://www.fastprep.io/problems/stryker-squares-of-a-sorted-array) | [![Practice][p]](https://www.fastprep.io/problems/stryker-squares-of-a-sorted-array) | Jul 12, 2026 | -| **Hive** | [Validate a Directed Edge Addition](https://www.fastprep.io/problems/hive-validate-directed-edge-addition) | [![Practice][p]](https://www.fastprep.io/problems/hive-validate-directed-edge-addition) | Jul 12, 2026 | -| **Robinhood** | [Word Frequency in a Large Text](https://www.fastprep.io/problems/robinhood-word-frequency-in-large-text) | [![Practice][p]](https://www.fastprep.io/problems/robinhood-word-frequency-in-large-text) | Jul 12, 2026 | -| **Target** | [Minimum Edit-Distance String for Each Query](https://www.fastprep.io/problems/target-minimum-edit-distance-string) | [![Practice][p]](https://www.fastprep.io/problems/target-minimum-edit-distance-string) | Jul 11, 2026 | -| **Target** | [Count Lucky Numbers in a Range](https://www.fastprep.io/problems/target-lucky-numbers-floor-square-root) | [![Practice][p]](https://www.fastprep.io/problems/target-lucky-numbers-floor-square-root) | Jul 11, 2026 | -| **Target** | [First-Available Seat Booking](https://www.fastprep.io/problems/target-first-available-seat-booking) | [![Practice][p]](https://www.fastprep.io/problems/target-first-available-seat-booking) | Jul 11, 2026 | -| **OpenAI** | [Memory Allocator](https://www.fastprep.io/problems/openai-memory-allocator) | [![Practice][p]](https://www.fastprep.io/problems/openai-memory-allocator) | Jul 10, 2026 | -| **OpenAI** | [Message Event Aggregation](https://www.fastprep.io/problems/openai-message-event-aggregation) | [![Practice][p]](https://www.fastprep.io/problems/openai-message-event-aggregation) | Jul 10, 2026 | -| **OpenAI** | [Streaming Entropy, Part 1: Batch Entropy](https://www.fastprep.io/problems/openai-streaming-entropy-part-1) | [![Practice][p]](https://www.fastprep.io/problems/openai-streaming-entropy-part-1) | Jul 10, 2026 | -| **OpenAI** | [Streaming Entropy, Part 2: Numerically Stable Entropy](https://www.fastprep.io/problems/openai-streaming-entropy-part-2) | [![Practice][p]](https://www.fastprep.io/problems/openai-streaming-entropy-part-2) | Jul 10, 2026 | -| **OpenAI** | [Streaming Entropy, Part 3: Block-wise Entropy](https://www.fastprep.io/problems/openai-streaming-entropy-part-3) | [![Practice][p]](https://www.fastprep.io/problems/openai-streaming-entropy-part-3) | Jul 10, 2026 | -| **OpenAI** | [Streaming Entropy, Part 4: Stable Streaming Entropy](https://www.fastprep.io/problems/openai-streaming-entropy-part-4) | [![Practice][p]](https://www.fastprep.io/problems/openai-streaming-entropy-part-4) | Jul 10, 2026 | -| **OpenAI** | [Versioned Social Network](https://www.fastprep.io/problems/openai-versioned-social-network) | [![Practice][p]](https://www.fastprep.io/problems/openai-versioned-social-network) | Jul 10, 2026 | -| **Anthropic** | [Banking System, Part 1: Accounts and Transfers](https://www.fastprep.io/problems/anthropic-banking-system-part-1) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-banking-system-part-1) | Jul 10, 2026 | -| **Anthropic** | [Banking System, Part 2: Top Spenders](https://www.fastprep.io/problems/anthropic-banking-system-part-2) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-banking-system-part-2) | Jul 10, 2026 | -| **Anthropic** | [Banking System, Part 3: Scheduled Payments](https://www.fastprep.io/problems/anthropic-banking-system-part-3) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-banking-system-part-3) | Jul 10, 2026 | -| **Anthropic** | [Banking System, Part 4: Merging and Balance History](https://www.fastprep.io/problems/anthropic-banking-system-part-4) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-banking-system-part-4) | Jul 10, 2026 | -| **Amazon** | [Number of Atoms](https://www.fastprep.io/problems/amazon-number-of-atoms) | [![Practice][p]](https://www.fastprep.io/problems/amazon-number-of-atoms) | Jul 10, 2026 | -| **Amazon** | [Minimum Redistribution Cost](https://www.fastprep.io/problems/amazon-minimum-redistribution-cost) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-redistribution-cost) | Jul 10, 2026 | -| **Amazon** | [Domain Weight Calculation](https://www.fastprep.io/problems/amazon-domain-weight-calculation) | [![Practice][p]](https://www.fastprep.io/problems/amazon-domain-weight-calculation) | Jul 10, 2026 | -| **Amazon** | [Minimum Contiguous Replacements](https://www.fastprep.io/problems/amazon-minimum-contiguous-replacements) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-contiguous-replacements) | Jul 10, 2026 | -| **Walmart** | [K-Capable Model Costs](https://www.fastprep.io/problems/walmart-k-capable-model-costs) | [![Practice][p]](https://www.fastprep.io/problems/walmart-k-capable-model-costs) | Jul 10, 2026 | -| **Google** | [Ad Rotation Scheduler With Cooldown](https://www.fastprep.io/problems/google-ad-rotation-scheduler-with-cooldown) | [![Practice][p]](https://www.fastprep.io/problems/google-ad-rotation-scheduler-with-cooldown) | Jul 10, 2026 | -| **Google** | [Consolidated On-Call Rotations](https://www.fastprep.io/problems/google-consolidated-on-call-rotations) | [![Practice][p]](https://www.fastprep.io/problems/google-consolidated-on-call-rotations) | Jul 10, 2026 | -| **Google** | [Count Connected Point Clusters](https://www.fastprep.io/problems/google-count-connected-point-clusters) | [![Practice][p]](https://www.fastprep.io/problems/google-count-connected-point-clusters) | Jul 10, 2026 | -| **Google** | [Longest Target Run After Replacements](https://www.fastprep.io/problems/google-longest-target-run-after-replacements) | [![Practice][p]](https://www.fastprep.io/problems/google-longest-target-run-after-replacements) | Jul 10, 2026 | -| **Hudson River Trading** | [Backtick Identifier Converter](https://www.fastprep.io/problems/hrt-backtick-identifier-converter) | [![Practice][p]](https://www.fastprep.io/problems/hrt-backtick-identifier-converter) | Jul 10, 2026 | -| **Stripe** | [Directly Linked Users](https://www.fastprep.io/problems/stripe-directly-linked-users) | [![Practice][p]](https://www.fastprep.io/problems/stripe-directly-linked-users) | Jul 10, 2026 | -| **Stripe** | [Fraud Ring Size](https://www.fastprep.io/problems/stripe-fraud-ring-size) | [![Practice][p]](https://www.fastprep.io/problems/stripe-fraud-ring-size) | Jul 10, 2026 | -| **Stripe** | [Risky Fraud Ring](https://www.fastprep.io/problems/stripe-risky-fraud-ring) | [![Practice][p]](https://www.fastprep.io/problems/stripe-risky-fraud-ring) | Jul 10, 2026 | -| **Two Sigma** | [Balanced Split String with Wildcards](https://www.fastprep.io/problems/two-sigma-balanced-split-string-with-wildcards) | [![Practice][p]](https://www.fastprep.io/problems/two-sigma-balanced-split-string-with-wildcards) | Jul 10, 2026 | -| **Two Sigma** | [Closest Color](https://www.fastprep.io/problems/two-sigma-closest-color) | [![Practice][p]](https://www.fastprep.io/problems/two-sigma-closest-color) | Jul 10, 2026 | -| **Visa** | [Planning Production](https://www.fastprep.io/problems/visa-planning-production) | [![Practice][p]](https://www.fastprep.io/problems/visa-planning-production) | Jul 10, 2026 | -| **Visa** | [Subarray Sum](https://www.fastprep.io/problems/visa-subarray-sum) | [![Practice][p]](https://www.fastprep.io/problems/visa-subarray-sum) | Jul 10, 2026 | -| **Optiver** | [Construct Binary Tree S-Expression](https://www.fastprep.io/problems/optiver-construct-binary-tree-s-expression) | [![Practice][p]](https://www.fastprep.io/problems/optiver-construct-binary-tree-s-expression) | Jul 10, 2026 | -| **TCS** | [Array Rank Transform](https://www.fastprep.io/problems/tcs-array-rank-transform) | [![Practice][p]](https://www.fastprep.io/problems/tcs-array-rank-transform) | Jul 10, 2026 | -| **Codeium** | [Biggest Connected Component](https://www.fastprep.io/problems/codeium-biggest-connected-component) | [![Practice][p]](https://www.fastprep.io/problems/codeium-biggest-connected-component) | Jul 10, 2026 | -| **Flexport** | [Choose the Next Hidden-Word Guess](https://www.fastprep.io/problems/flexport-next-word-guess) | [![Practice][p]](https://www.fastprep.io/problems/flexport-next-word-guess) | Jul 10, 2026 | -| **Apple** | [Phone Directory](https://www.fastprep.io/problems/apple-phone-directory) | [![Practice][p]](https://www.fastprep.io/problems/apple-phone-directory) | Jul 10, 2026 | -| **Okta** | [CD Rental System](https://www.fastprep.io/problems/okta-cd-rental-system) | [![Practice][p]](https://www.fastprep.io/problems/okta-cd-rental-system) | Jul 10, 2026 | -| **Omnissa** | [Longest Substring Without Repeating Characters](https://www.fastprep.io/problems/omnissa-longest-substring-without-repeating-characters) | [![Practice][p]](https://www.fastprep.io/problems/omnissa-longest-substring-without-repeating-characters) | Jul 09, 2026 | -| **Omnissa** | [Rotate Array Right](https://www.fastprep.io/problems/omnissa-rotate-array-right) | [![Practice][p]](https://www.fastprep.io/problems/omnissa-rotate-array-right) | Jul 09, 2026 | -| **Spotnana** | [All OOne Operations](https://www.fastprep.io/problems/spotnana-all-oone-operations) | [![Practice][p]](https://www.fastprep.io/problems/spotnana-all-oone-operations) | Jul 09, 2026 | -| **Rupeek** | [Trapping Rain Water](https://www.fastprep.io/problems/rupeek-trapping-rain-water) | [![Practice][p]](https://www.fastprep.io/problems/rupeek-trapping-rain-water) | Jul 08, 2026 | -| **OpenAI** | [DSA Round: Maximum Score Grid Path](https://www.fastprep.io/problems/openai-dsa-round-maximum-score-grid-path) | [![Practice][p]](https://www.fastprep.io/problems/openai-dsa-round-maximum-score-grid-path) | Jul 08, 2026 | -| **Amazon** | [Closest Version Date](https://www.fastprep.io/problems/amazon-closest-version-date) | [![Practice][p]](https://www.fastprep.io/problems/amazon-closest-version-date) | Jul 08, 2026 | -| **Amazon** | [Maximum Concurrent Processes (Bar Raiser Round)](https://www.fastprep.io/problems/amazon-max-concurrent-processes) | [![Practice][p]](https://www.fastprep.io/problems/amazon-max-concurrent-processes) | Jul 08, 2026 | -| **Amazon** | [Package Dependency Order](https://www.fastprep.io/problems/amazon-package-dependency-order) | [![Practice][p]](https://www.fastprep.io/problems/amazon-package-dependency-order) | Jul 08, 2026 | -| **Scale AI** | [Task Scheduler with Dependencies](https://www.fastprep.io/problems/scale-ai-task-scheduler-with-dependencies) | [![Practice][p]](https://www.fastprep.io/problems/scale-ai-task-scheduler-with-dependencies) | Jul 08, 2026 | -| **Salesforce** | [ATM Queue Exit Order](https://www.fastprep.io/problems/salesforce-atm-queue) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-atm-queue) | Jul 08, 2026 | -| **Salesforce** | [Good Ways to Split an Array](https://www.fastprep.io/problems/salesforce-good-ways-to-split-array) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-good-ways-to-split-array) | Jul 08, 2026 | -| **Salesforce** | [Generate Seen Binary Strings](https://www.fastprep.io/problems/salesforce-generate-seen-binary-strings) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-generate-seen-binary-strings) | Jul 08, 2026 | -| **Salesforce** | [Update Pod Counts From Logs](https://www.fastprep.io/problems/salesforce-update-pod-counts-from-logs) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-update-pod-counts-from-logs) | Jul 08, 2026 | -| **Agoda** | [Feasibility of Printing Within Given Days](https://www.fastprep.io/problems/agoda-printing-within-days) | [![Practice][p]](https://www.fastprep.io/problems/agoda-printing-within-days) | Jul 08, 2026 | -| **Agoda** | [Minimum Daily Printing Limit](https://www.fastprep.io/problems/agoda-minimum-daily-printing-limit) | [![Practice][p]](https://www.fastprep.io/problems/agoda-minimum-daily-printing-limit) | Jul 08, 2026 | -| **Google** | [String Pattern Replacement](https://www.fastprep.io/problems/google-string-pattern-replacement) | [![Practice][p]](https://www.fastprep.io/problems/google-string-pattern-replacement) | Jul 08, 2026 | -| **Google** | [Template Variable Expansion](https://www.fastprep.io/problems/google-template-variable-expansion) | [![Practice][p]](https://www.fastprep.io/problems/google-template-variable-expansion) | Jul 08, 2026 | -| **Meta** | [Highest Rating Price Ratio](https://www.fastprep.io/problems/meta-highest-rating-price-ratio) | [![Practice][p]](https://www.fastprep.io/problems/meta-highest-rating-price-ratio) | Jul 08, 2026 | -| **Snowflake** | [Closest Target Character](https://www.fastprep.io/problems/snowflake-closest-target-character) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-closest-target-character) | Jul 08, 2026 | -| **Point72** | [Test the Hypothesis](https://www.fastprep.io/problems/point72-test-the-hypothesis) | [![Practice][p]](https://www.fastprep.io/problems/point72-test-the-hypothesis) | Jul 08, 2026 | -| **DE Shaw** | [Minimum Frames for Equal Chunks](https://www.fastprep.io/problems/deshaw-minimum-frames-for-equal-chunks) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-minimum-frames-for-equal-chunks) | Jul 08, 2026 | -| **DE Shaw** | [Non-Alternating Binary Partitions](https://www.fastprep.io/problems/deshaw-non-alternating-binary-partitions) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-non-alternating-binary-partitions) | Jul 08, 2026 | -| **Sofi** | [Reachable Nodes in a Directed Graph](https://www.fastprep.io/problems/sofi-reachable-nodes-in-a-directed-graph) | [![Practice][p]](https://www.fastprep.io/problems/sofi-reachable-nodes-in-a-directed-graph) | Jul 08, 2026 | -| **Mercor** | [Top K With a Deterministically Noisy Comparator (MLE)](https://www.fastprep.io/problems/mercor-top-k-with-deterministically-noisy-comparator) | [![Practice][p]](https://www.fastprep.io/problems/mercor-top-k-with-deterministically-noisy-comparator) | Jul 08, 2026 | -| **Reddit** | [Reconstruct Billing Status](https://www.fastprep.io/problems/reddit-reconstruct-billing-status) | [![Practice][p]](https://www.fastprep.io/problems/reddit-reconstruct-billing-status) | Jul 08, 2026 | -| **Apple** | [Product Except Self With Zeros](https://www.fastprep.io/problems/apple-product-except-self-with-zeros) | [![Practice][p]](https://www.fastprep.io/problems/apple-product-except-self-with-zeros) | Jul 08, 2026 | -| **Apple** | [Subset Sum Possible](https://www.fastprep.io/problems/apple-subset-sum-possible) | [![Practice][p]](https://www.fastprep.io/problems/apple-subset-sum-possible) | Jul 08, 2026 | -| **Apple** | [Validate Completed Sudoku](https://www.fastprep.io/problems/apple-validate-completed-sudoku) | [![Practice][p]](https://www.fastprep.io/problems/apple-validate-completed-sudoku) | Jul 08, 2026 | -| **Figma** | [Rich Text Parser Part 3 (Depth Tokens)](https://www.fastprep.io/problems/figma-rich-text-parser) | [![Practice][p]](https://www.fastprep.io/problems/figma-rich-text-parser) | Jul 08, 2026 | -| **Zomato / Eternal** | [Flipping Matrix](https://www.fastprep.io/problems/zomato-flipping-matrix) | [![Practice][p]](https://www.fastprep.io/problems/zomato-flipping-matrix) | Jul 08, 2026 | -| **Zomato / Eternal** | [Special Keyboard](https://www.fastprep.io/problems/zomato-special-keyboard) | [![Practice][p]](https://www.fastprep.io/problems/zomato-special-keyboard) | Jul 08, 2026 | -| **NatWest** | [Remove Duplicate Characters](https://www.fastprep.io/problems/natwest-remove-duplicate-characters) | [![Practice][p]](https://www.fastprep.io/problems/natwest-remove-duplicate-characters) | Jul 08, 2026 | -| **NatWest** | [Sum Elements at Even Indices](https://www.fastprep.io/problems/natwest-even-index-sum) | [![Practice][p]](https://www.fastprep.io/problems/natwest-even-index-sum) | Jul 08, 2026 | -| **Safe Security** | [Maximum Subarray Sum](https://www.fastprep.io/problems/safe-security-maximum-subarray-sum) | [![Practice][p]](https://www.fastprep.io/problems/safe-security-maximum-subarray-sum) | Jul 08, 2026 | -| **Blinkit** | [Unique Supersequence Merge](https://www.fastprep.io/problems/blinkit-unique-supersequence-merge) | [![Practice][p]](https://www.fastprep.io/problems/blinkit-unique-supersequence-merge) | Jul 08, 2026 | -| **Amazon** | [Merge Sorted Array](https://www.fastprep.io/problems/amazon-merge-sorted-array) | [![Practice][p]](https://www.fastprep.io/problems/amazon-merge-sorted-array) | Jul 07, 2026 | -| **PhonePe** | [Count Bowl Subarrays](https://www.fastprep.io/problems/phonepe-count-bowl-subarrays) | [![Practice][p]](https://www.fastprep.io/problems/phonepe-count-bowl-subarrays) | Jul 07, 2026 | -| **PhonePe** | [Reconstruct Itinerary](https://www.fastprep.io/problems/phonepe-reconstruct-itinerary) | [![Practice][p]](https://www.fastprep.io/problems/phonepe-reconstruct-itinerary) | Jul 07, 2026 | -| **Amazon** | [Permutation Sorter](https://www.fastprep.io/problems/amazon-permutation-sorter) | [![Practice][p]](https://www.fastprep.io/problems/amazon-permutation-sorter) | Jul 03, 2026 | -| **Amazon** | [Maximum Product New Rating](https://www.fastprep.io/problems/1.amazon-maximum-product-new-rating) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-maximum-product-new-rating) | Jul 03, 2026 | -| **Amazon** | [Maximum Final Value](https://www.fastprep.io/problems/1.amazon-maximum-final) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-maximum-final) | Jul 03, 2026 | -| **Amazon** | [Get Max Servers](https://www.fastprep.io/problems/amazon-find-maximum-number-of-servers) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-maximum-number-of-servers) | Jul 03, 2026 | -| **McKinsey** | [Predicting the S&P 500 Index](https://www.fastprep.io/problems/mckinsey-predicting-the-sp-500-index) | [![Practice][p]](https://www.fastprep.io/problems/mckinsey-predicting-the-sp-500-index) | Jul 03, 2026 | -| **QRT** | [Array Nullification](https://www.fastprep.io/problems/qrt-array-nullification) | [![Practice][p]](https://www.fastprep.io/problems/qrt-array-nullification) | Jul 03, 2026 | -| **QRT** | [Keep Them Apart](https://www.fastprep.io/problems/qrt-keep-them-apart) | [![Practice][p]](https://www.fastprep.io/problems/qrt-keep-them-apart) | Jul 03, 2026 | -| **Snowflake** | [Minimum Height](https://www.fastprep.io/problems/snowflake-minimum-height) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-minimum-height) | Jul 03, 2026 | -| **IBM** | [Query Type Frequency Window](https://www.fastprep.io/problems/ibm-query-type-frequency-window) | [![Practice][p]](https://www.fastprep.io/problems/ibm-query-type-frequency-window) | Jul 03, 2026 | -| **IBM** | [Maximum Requests in a Time Window](https://www.fastprep.io/problems/ibm-maximum-requests-window) | [![Practice][p]](https://www.fastprep.io/problems/ibm-maximum-requests-window) | Jul 03, 2026 | -| **IBM** | [Minimum Number of Non-Empty Disjoint Segments](https://www.fastprep.io/problems/ibm-minimum-disjoint-segments) | [![Practice][p]](https://www.fastprep.io/problems/ibm-minimum-disjoint-segments) | Jul 03, 2026 | -| **Point72** | [Get Triplet Count](https://www.fastprep.io/problems/point72-get-triplet-count) | [![Practice][p]](https://www.fastprep.io/problems/point72-get-triplet-count) | Jul 02, 2026 | -| **Point72** | [Server Selection](https://www.fastprep.io/problems/point72-server-selection) | [![Practice][p]](https://www.fastprep.io/problems/point72-server-selection) | Jul 02, 2026 | -| **Amazon** | [Feasible Indices After Prefix/Suffix Reduction](https://www.fastprep.io/problems/amazon-feasible-indices-after-prefix-suffix-reduction) | [![Practice][p]](https://www.fastprep.io/problems/amazon-feasible-indices-after-prefix-suffix-reduction) | Jun 30, 2026 | -| **Snowflake** | [Simple Array Rotation Game](https://www.fastprep.io/problems/snowflake-simple-array-rotation-game) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-simple-array-rotation-game) | Jun 30, 2026 | -| **Microsoft** | [XOR Multiplication](https://www.fastprep.io/problems/microsoft-xor-multiplication) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-xor-multiplication) | Jun 30, 2026 | -| **Microsoft** | [Neural Network Subnetwork Strength](https://www.fastprep.io/problems/microsoft-neural-network-subnetwork-strength) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-neural-network-subnetwork-strength) | Jun 30, 2026 | -| **Amazon** | [Count Distinct Domino Colorings](https://www.fastprep.io/problems/amazon-count-distinct-domino-colorings) | [![Practice][p]](https://www.fastprep.io/problems/amazon-count-distinct-domino-colorings) | Jun 29, 2026 | -| **Amazon** | [Frequently Bought Together](https://www.fastprep.io/problems/amazon-frequently-bought-together) | [![Practice][p]](https://www.fastprep.io/problems/amazon-frequently-bought-together) | Jun 29, 2026 | -| **Amazon** | [Souvenir Shop Purchases](https://www.fastprep.io/problems/amazon-souvenir-shop-purchases) | [![Practice][p]](https://www.fastprep.io/problems/amazon-souvenir-shop-purchases) | Jun 29, 2026 | -| **McKinsey** | [Count Repeated Request IDs](https://www.fastprep.io/problems/mckinsey-count-repeated-request-ids) | [![Practice][p]](https://www.fastprep.io/problems/mckinsey-count-repeated-request-ids) | Jun 29, 2026 | -| **Salesforce** | [Final Pod Counts After Logs](https://www.fastprep.io/problems/salesforce-final-pod-counts-after-logs) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-final-pod-counts-after-logs) | Jun 29, 2026 | -| **Salesforce** | [Minimum Removals to Balance Array](https://www.fastprep.io/problems/salesforce-minimum-removals-to-balance-array) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-minimum-removals-to-balance-array) | Jun 29, 2026 | -| **Uber** | [Minimum Operations To Reduce To Zero](https://www.fastprep.io/problems/uber-minimum-operations-to-reduce-to-zero) | [![Practice][p]](https://www.fastprep.io/problems/uber-minimum-operations-to-reduce-to-zero) | Jun 29, 2026 | -| **Uber** | [Shopkeeper Final Price](https://www.fastprep.io/problems/uber-shopkeeper-final-price) | [![Practice][p]](https://www.fastprep.io/problems/uber-shopkeeper-final-price) | Jun 29, 2026 | -| **TikTok** | [Check Even-Position Monotonicity](https://www.fastprep.io/problems/tiktok-check-even-position-monotonicity) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-check-even-position-monotonicity) | Jun 29, 2026 | -| **TikTok** | [Construct WDL String](https://www.fastprep.io/problems/tiktok-construct-wdl-string) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-construct-wdl-string) | Jun 29, 2026 | -| **Two Sigma** | [Linear Interpolator](https://www.fastprep.io/problems/two-sigma-linear-interpolator) | [![Practice][p]](https://www.fastprep.io/problems/two-sigma-linear-interpolator) | Jun 29, 2026 | -| **IBM** | [Request Retry Count](https://www.fastprep.io/problems/ibm-request-retry-count) | [![Practice][p]](https://www.fastprep.io/problems/ibm-request-retry-count) | Jun 29, 2026 | -| **Microsoft** | [Maximum Escape Game Score](https://www.fastprep.io/problems/microsoft-maximum-escape-game-score) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-escape-game-score) | Jun 29, 2026 | -| **Microsoft** | [Minimum Cost K-Capable Models](https://www.fastprep.io/problems/microsoft-minimum-cost-k-capable-models) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-cost-k-capable-models) | Jun 29, 2026 | -| **Microsoft** | [Unique Difference Pattern](https://www.fastprep.io/problems/microsoft-unique-difference-pattern) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-unique-difference-pattern) | Jun 29, 2026 | -| **Goldman Sachs** | [Valid Binary Prefix](https://www.fastprep.io/problems/goldman-valid-binary-prefix) | [![Practice][p]](https://www.fastprep.io/problems/goldman-valid-binary-prefix) | Jun 29, 2026 | -| **Expedia** | [Maximum Team Size](https://www.fastprep.io/problems/expedia-maximum-team-size) | [![Practice][p]](https://www.fastprep.io/problems/expedia-maximum-team-size) | Jun 29, 2026 | -| **SeekOut** | [Merge Intervals](https://www.fastprep.io/problems/seekout-merge-intervals) | [![Practice][p]](https://www.fastprep.io/problems/seekout-merge-intervals) | Jun 27, 2026 | -| **Amazon** | [Find Minimum Groups](https://www.fastprep.io/problems/amazon-find-minimum-groups) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-groups) | Jun 24, 2026 | -| **Google** | [Maximum Coins With Moving Tokens](https://www.fastprep.io/problems/google-maximum-coins-with-moving-tokens) | [![Practice][p]](https://www.fastprep.io/problems/google-maximum-coins-with-moving-tokens) | Jun 24, 2026 | -| **Google** | [Maximum Elements With a Common Digit](https://www.fastprep.io/problems/google-maximum-elements-with-a-common-digit) | [![Practice][p]](https://www.fastprep.io/problems/google-maximum-elements-with-a-common-digit) | Jun 24, 2026 | -| **Snowflake** | [Drawing Edge](https://www.fastprep.io/problems/snowflake-drawing-edge) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-drawing-edge) | Jun 24, 2026 | -| **Snowflake** | [Generating Login Codes](https://www.fastprep.io/problems/snowflake-generating-login-codes) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-generating-login-codes) | Jun 24, 2026 | -| **Microsoft** | [Programmer Strings](https://www.fastprep.io/problems/microsoft-programmer-strings) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-programmer-strings) | Jun 24, 2026 | -| **Microsoft** | [Minimum Round Trip Lengths](https://www.fastprep.io/problems/microsoft-minimum-round-trip-lengths) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-round-trip-lengths) | Jun 24, 2026 | -| **HSBC** | [Find ID of Soldier](https://www.fastprep.io/problems/hsbc-find-id-of-soldier) | [![Practice][p]](https://www.fastprep.io/problems/hsbc-find-id-of-soldier) | Jun 21, 2026 | -| **HSBC** | [Find Most Frequently Purchased Products](https://www.fastprep.io/problems/hsbc-find-most-frequently-purchased-products) | [![Practice][p]](https://www.fastprep.io/problems/hsbc-find-most-frequently-purchased-products) | Jun 21, 2026 | -| **Amazon** | [Maximum Equal Parts for Prefixes](https://www.fastprep.io/problems/amazon-maximum-equal-parts-for-prefixes) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-equal-parts-for-prefixes) | Jun 19, 2026 | -| **Meesho** | [Efficient Deployments](https://www.fastprep.io/problems/meesho-efficient-deployments) | [![Practice][p]](https://www.fastprep.io/problems/meesho-efficient-deployments) | Jun 18, 2026 | -| **Google** | [Fountain Safety](https://www.fastprep.io/problems/google-fountain-safety) | [![Practice][p]](https://www.fastprep.io/problems/google-fountain-safety) | Jun 17, 2026 | -| **Walmart** | [K-Capable Model Selection](https://www.fastprep.io/problems/walmart-k-capable-model-selection) | [![Practice][p]](https://www.fastprep.io/problems/walmart-k-capable-model-selection) | Jun 16, 2026 | -| **Scale AI** | [Task Processor: Dependencies and Deadlines](https://www.fastprep.io/problems/scale-ai-task-processor-dependencies-deadlines) | [![Practice][p]](https://www.fastprep.io/problems/scale-ai-task-processor-dependencies-deadlines) | Jun 14, 2026 | -| **Shopify** | [Mars Rover Robot Controller](https://www.fastprep.io/problems/shopify-mars-rover-robot-controller) | [![Practice][p]](https://www.fastprep.io/problems/shopify-mars-rover-robot-controller) | Jun 13, 2026 | -| **Salesforce** | [Count Prime Strings](https://www.fastprep.io/problems/salesforce-count-prime-strings) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-count-prime-strings) | Jun 10, 2026 | -| **Vanta** | [Implement uniq: Unique Lines](https://www.fastprep.io/problems/vanta-unique-lines-command) | [![Practice][p]](https://www.fastprep.io/problems/vanta-unique-lines-command) | Jun 10, 2026 | -| **Amazon** | [Select Least Resource Tasks](https://www.fastprep.io/problems/amazon-select-least-resource-tasks) | [![Practice][p]](https://www.fastprep.io/problems/amazon-select-least-resource-tasks) | Jun 09, 2026 | -| **Amazon** | [Get Smallest Base Segment](https://www.fastprep.io/problems/amazon-get-smallest-base-segment) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-smallest-base-segment) | Jun 09, 2026 | -| **Amazon** | [Count Promotional Periods](https://www.fastprep.io/problems/amazon-count-promotional-periods) | [![Practice][p]](https://www.fastprep.io/problems/amazon-count-promotional-periods) | Jun 09, 2026 | -| **Amazon** | [Get Minimum Amount](https://www.fastprep.io/problems/amazon-get-min-amount) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-amount) | Jun 09, 2026 | -| **Agoda** | [Minimum Absolute Difference Pairs](https://www.fastprep.io/problems/agoda-minimum-absolute-difference-pairs) | [![Practice][p]](https://www.fastprep.io/problems/agoda-minimum-absolute-difference-pairs) | Jun 08, 2026 | -| **Amazon** | [Find Minimum Cost](https://www.fastprep.io/problems/amazon-find-minimum-cost) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-cost) | Jun 04, 2026 | -| **JP Morgan** | [About Shipping](https://www.fastprep.io/problems/jpmorgan-about-shipping) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-about-shipping) | Jun 04, 2026 | -| **Netflix** | [Topological Sort for Ads Tasks](https://www.fastprep.io/problems/netflix-topological-sort-course-schedule-ads) | [![Practice][p]](https://www.fastprep.io/problems/netflix-topological-sort-course-schedule-ads) | Jun 04, 2026 | -| **Google** | [Consolidate On-Call Rotations](https://www.fastprep.io/problems/google-consolidate-on-call-rotations) | [![Practice][p]](https://www.fastprep.io/problems/google-consolidate-on-call-rotations) | Jun 02, 2026 | -| **Uber** | [Jump Game with Prime-3 Steps](https://www.fastprep.io/problems/uber-jump-game-prime-3-steps) | [![Practice][p]](https://www.fastprep.io/problems/uber-jump-game-prime-3-steps) | Jun 01, 2026 | -| **Uber** | [Total Palindrome Substring Cost](https://www.fastprep.io/problems/uber-total-palindrome-substring-cost) | [![Practice][p]](https://www.fastprep.io/problems/uber-total-palindrome-substring-cost) | Jun 01, 2026 | -| **Capital One** | [Count Numbers with Even Number of Digits](https://www.fastprep.io/problems/capital-one-count-even-digit-numbers) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-count-even-digit-numbers) | May 31, 2026 | -| **Capital One** | [Longest Same-Character Substring](https://www.fastprep.io/problems/capitalone-longest-same-character-substring) | [![Practice][p]](https://www.fastprep.io/problems/capitalone-longest-same-character-substring) | May 31, 2026 | -| **Capital One** | [Count House Segments After Destruction](https://www.fastprep.io/problems/capitalone-count-house-segments-after-destruction) | [![Practice][p]](https://www.fastprep.io/problems/capitalone-count-house-segments-after-destruction) | May 31, 2026 | -| **Capital One** | [Laser Robot Safe Path](https://www.fastprep.io/problems/capitalone-laser-robot-safe-path) | [![Practice][p]](https://www.fastprep.io/problems/capitalone-laser-robot-safe-path) | May 31, 2026 | -| **Amazon** | [Lowest Common Ancestor Implemented with Stack](https://www.fastprep.io/problems/amazon-lowest-common-ancestor-implemented-with-stack) | [![Practice][p]](https://www.fastprep.io/problems/amazon-lowest-common-ancestor-implemented-with-stack) | May 30, 2026 | -| **Akuna** | [Maximum Difference](https://www.fastprep.io/problems/akuna-maximum-difference) | [![Practice][p]](https://www.fastprep.io/problems/akuna-maximum-difference) | May 25, 2026 | -| **Amazon** | [Product Category Group Sizes](https://www.fastprep.io/problems/amazon-product-category-groups) | [![Practice][p]](https://www.fastprep.io/problems/amazon-product-category-groups) | May 23, 2026 | -| **Uber** | [Tournament Rounds by Rank](https://www.fastprep.io/problems/uber-tournament-rounds) | [![Practice][p]](https://www.fastprep.io/problems/uber-tournament-rounds) | May 23, 2026 | -| **Uber** | [Earliest Time All Users Are Connected](https://www.fastprep.io/problems/uber-earliest-full-connection) | [![Practice][p]](https://www.fastprep.io/problems/uber-earliest-full-connection) | May 23, 2026 | -| **Meta** | [Merge Three Sorted Arrays](https://www.fastprep.io/problems/meta-merge-three-sorted-arrays) | [![Practice][p]](https://www.fastprep.io/problems/meta-merge-three-sorted-arrays) | May 23, 2026 | -| **Amazon** | [Count Connected Components](https://www.fastprep.io/problems/amazon-count-connected-components) | [![Practice][p]](https://www.fastprep.io/problems/amazon-count-connected-components) | May 21, 2026 | -| **Google** | [Detonate Bombs with Chain Reactions](https://www.fastprep.io/problems/google-detonate-bombs-chain-reaction) | [![Practice][p]](https://www.fastprep.io/problems/google-detonate-bombs-chain-reaction) | May 20, 2026 | -| **Google** | [Evaluate a Nested Math Expression](https://www.fastprep.io/problems/google-evaluate-nested-math-expression) | [![Practice][p]](https://www.fastprep.io/problems/google-evaluate-nested-math-expression) | May 20, 2026 | -| **Guidewire** | [Minimum Boys Next to Girls](https://www.fastprep.io/problems/guidewire-minimum-boys-next-to-girls) | [![Practice][p]](https://www.fastprep.io/problems/guidewire-minimum-boys-next-to-girls) | May 20, 2026 | -| **Salesforce** | [Run-Length String Compression](https://www.fastprep.io/problems/salesforce-run-length-string-compression) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-run-length-string-compression) | May 19, 2026 | -| **Salesforce** | [Time Needed to Rearrange a Binary String](https://www.fastprep.io/problems/salesforce-time-to-rearrange-binary-string) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-time-to-rearrange-binary-string) | May 19, 2026 | -| **Infosys** | [Minimum Path Sum With Grid Switches](https://www.fastprep.io/problems/infosys-minimum-path-sum-with-grid-switches) | [![Practice][p]](https://www.fastprep.io/problems/infosys-minimum-path-sum-with-grid-switches) | May 19, 2026 | -| **Snowflake** | [Effective Role Privileges](https://www.fastprep.io/problems/snowflake-effective-role-privileges) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-effective-role-privileges) | May 19, 2026 | -| **Pinterest** | [Assign Pins to the Shortest Column](https://www.fastprep.io/problems/pinterest-assign-pins-to-shortest-column) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-assign-pins-to-shortest-column) | May 18, 2026 | -| **OpenAI** | [Grid Infection Spread Until Stable](https://www.fastprep.io/problems/openai-grid-infection-spread-until-stable) | [![Practice][p]](https://www.fastprep.io/problems/openai-grid-infection-spread-until-stable) | May 16, 2026 | -| **OpenAI** | [Grid Infection with Immune Cells Until Stable](https://www.fastprep.io/problems/openai-grid-infection-with-immune-cells) | [![Practice][p]](https://www.fastprep.io/problems/openai-grid-infection-with-immune-cells) | May 16, 2026 | -| **OpenAI** | [Chat Event Counts](https://www.fastprep.io/problems/openai-chat-event-counts) | [![Practice][p]](https://www.fastprep.io/problems/openai-chat-event-counts) | May 13, 2026 | -| **Amazon** | [Unique Pairs With Target Sum](https://www.fastprep.io/problems/amazon-unique-pairs-with-target-sum) | [![Practice][p]](https://www.fastprep.io/problems/amazon-unique-pairs-with-target-sum) | May 13, 2026 | -| **Uber** | [Convex Function Minimization](https://www.fastprep.io/problems/uber-convex-function-minimization) | [![Practice][p]](https://www.fastprep.io/problems/uber-convex-function-minimization) | May 13, 2026 | -| **Harvey** | [Spreadsheet Formula Evaluator](https://www.fastprep.io/problems/harvey-spreadsheet-formula-evaluator) | [![Practice][p]](https://www.fastprep.io/problems/harvey-spreadsheet-formula-evaluator) | May 13, 2026 | -| **Hudson River Trading** | [Integer to String Without Built-ins](https://www.fastprep.io/problems/hudson-river-trading-integer-to-string) | [![Practice][p]](https://www.fastprep.io/problems/hudson-river-trading-integer-to-string) | May 13, 2026 | -| **Waymo** | [Decode Repeated Groups](https://www.fastprep.io/problems/waymo-decode-repeated-groups) | [![Practice][p]](https://www.fastprep.io/problems/waymo-decode-repeated-groups) | May 13, 2026 | -| **Deloitte** | [Seventh Nearest Palindrome](https://www.fastprep.io/problems/deloitte-seventh-nearest-palindrome) | [![Practice][p]](https://www.fastprep.io/problems/deloitte-seventh-nearest-palindrome) | May 12, 2026 | -| **Uber** | [Maximal Square Area](https://www.fastprep.io/problems/uber-maximal-square-area) | [![Practice][p]](https://www.fastprep.io/problems/uber-maximal-square-area) | May 11, 2026 | -| **Snowflake** | [Closest Bathroom / Desk on a Grid](https://www.fastprep.io/problems/snowflake-closest-bathroom-desk-grid) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-closest-bathroom-desk-grid) | May 11, 2026 | -| **Snowflake** | [Minimum Index Distance Between Person and Cake](https://www.fastprep.io/problems/snowflake-minimum-index-distance-between-person-and-cake) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-minimum-index-distance-between-person-and-cake) | May 11, 2026 | -| **Snowflake** | [Minimum Clicks Between Wiki Pages](https://www.fastprep.io/problems/snowflake-minimum-clicks-between-wiki-pages) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-minimum-clicks-between-wiki-pages) | May 11, 2026 | -| **Airbnb** | [Print Sentences as Table](https://www.fastprep.io/problems/airbnb-print-sentences-as-table) | [![Practice][p]](https://www.fastprep.io/problems/airbnb-print-sentences-as-table) | May 11, 2026 | -| **Crusoe** | [Interval Usage with Non-Overlapping Overrides](https://www.fastprep.io/problems/crusoe-interval-usage-with-overrides) | [![Practice][p]](https://www.fastprep.io/problems/crusoe-interval-usage-with-overrides) | May 11, 2026 | -| **DoorDash** | [Maximize Total Profit by Assigning Chefs to Dishes](https://www.fastprep.io/problems/doordash-maximize-total-profit-chef-dish-assignment) | [![Practice][p]](https://www.fastprep.io/problems/doordash-maximize-total-profit-chef-dish-assignment) | May 11, 2026 | -| **Ericsson** | [Pascal's Triangle](https://www.fastprep.io/problems/ericsson-pascals-triangle) | [![Practice][p]](https://www.fastprep.io/problems/ericsson-pascals-triangle) | May 11, 2026 | -| **Ericsson** | [Top K Frequent Elements](https://www.fastprep.io/problems/ericsson-top-k-frequent-elements) | [![Practice][p]](https://www.fastprep.io/problems/ericsson-top-k-frequent-elements) | May 11, 2026 | -| **Geico** | [Implement an LRU Cache](https://www.fastprep.io/problems/geico-implement-lru-cache) | [![Practice][p]](https://www.fastprep.io/problems/geico-implement-lru-cache) | May 11, 2026 | -| **TikTok** | [Maximum Candies with At Most Two Types in a Line](https://www.fastprep.io/problems/tiktok-maximum-candies-two-types-line) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-maximum-candies-two-types-line) | May 11, 2026 | -| **TikTok** | [LRU Cache with TTL Expiration](https://www.fastprep.io/problems/tiktok-lru-cache-with-ttl-expiration) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-lru-cache-with-ttl-expiration) | May 11, 2026 | -| **Upstart** | [Bounding Box from Coordinates](https://www.fastprep.io/problems/upstart-bounding-box-from-coordinates) | [![Practice][p]](https://www.fastprep.io/problems/upstart-bounding-box-from-coordinates) | May 11, 2026 | -| **Upstart** | [Filter by Threshold and Return Name with Max Score](https://www.fastprep.io/problems/upstart-filter-threshold-max-score) | [![Practice][p]](https://www.fastprep.io/problems/upstart-filter-threshold-max-score) | May 11, 2026 | -| **Whatnot** | [User Journey Paths](https://www.fastprep.io/problems/whatnot-user-journey-paths) | [![Practice][p]](https://www.fastprep.io/problems/whatnot-user-journey-paths) | May 11, 2026 | -| **Anthropic** | [In-Memory Database with Backup and Restore](https://www.fastprep.io/problems/anthropic-in-memory-database-backup-restore) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-in-memory-database-backup-restore) | May 10, 2026 | -| **Capital One** | [Queue Check-in Simulation with Capacity Limit](https://www.fastprep.io/problems/capital-one-queue-check-in-simulation) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-queue-check-in-simulation) | May 10, 2026 | -| **Capital One** | [Dynamic Wall Building and Range Query](https://www.fastprep.io/problems/capital-one-dynamic-wall-range-query) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-dynamic-wall-range-query) | May 10, 2026 | -| **Capital One** | [Cyclic Shift to Strictly Descending Array](https://www.fastprep.io/problems/capital-one-cyclic-shift-strictly-descending) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-cyclic-shift-strictly-descending) | May 10, 2026 | -| **Stripe** | [Email Log Processing, Grouping, and Sorting](https://www.fastprep.io/problems/stripe-email-log-grouping-and-sorting) | [![Practice][p]](https://www.fastprep.io/problems/stripe-email-log-grouping-and-sorting) | May 10, 2026 | -| **Circle** | [Task Management System](https://www.fastprep.io/problems/circle-task-management-system) | [![Practice][p]](https://www.fastprep.io/problems/circle-task-management-system) | May 10, 2026 | -| **Circle** | [User Quota Scheduling with Expiring Assignments](https://www.fastprep.io/problems/circle-user-quota-scheduling) | [![Practice][p]](https://www.fastprep.io/problems/circle-user-quota-scheduling) | May 10, 2026 | -| **Point72** | [Lexicographically Smallest String After Substring Operation](https://www.fastprep.io/problems/point72-lexicographically-smallest-substring-operation) | [![Practice][p]](https://www.fastprep.io/problems/point72-lexicographically-smallest-substring-operation) | May 10, 2026 | -| **Two Sigma** | [Piecewise Linear Interpolation and Extrapolation](https://www.fastprep.io/problems/twosigma-piecewise-linear-interpolation) | [![Practice][p]](https://www.fastprep.io/problems/twosigma-piecewise-linear-interpolation) | May 10, 2026 | -| **Intuit** | [Small Business Network: Degrees of Separation](https://www.fastprep.io/problems/intuit-small-business-network-degrees-of-separation) | [![Practice][p]](https://www.fastprep.io/problems/intuit-small-business-network-degrees-of-separation) | May 08, 2026 | -| **OpenAI** | [ChatApp with Bots](https://www.fastprep.io/problems/openai-chatapp-with-bots) | [![Practice][p]](https://www.fastprep.io/problems/openai-chatapp-with-bots) | May 05, 2026 | -| **OpenAI** | [IP Address to CIDR Blocks](https://www.fastprep.io/problems/openai-ip-address-to-cidr-blocks) | [![Practice][p]](https://www.fastprep.io/problems/openai-ip-address-to-cidr-blocks) | May 05, 2026 | -| **Uber** | [First Unique IP Hitting the Server](https://www.fastprep.io/problems/uber-first-unique-ip-hitting-server) | [![Practice][p]](https://www.fastprep.io/problems/uber-first-unique-ip-hitting-server) | May 05, 2026 | -| **Roblox** | [Implement a Rate Limiter](https://www.fastprep.io/problems/roblox-implement-rate-limiter) | [![Practice][p]](https://www.fastprep.io/problems/roblox-implement-rate-limiter) | May 05, 2026 | -| **Roblox** | [Rate Limit by Multiple Request Fields](https://www.fastprep.io/problems/roblox-rate-limit-by-multiple-request-fields) | [![Practice][p]](https://www.fastprep.io/problems/roblox-rate-limit-by-multiple-request-fields) | May 05, 2026 | -| **Visa** | [Minimum Cost to Select People for Skill Quotas](https://www.fastprep.io/problems/visa-minimum-cost-to-select-people-for-skill-quotas) | [![Practice][p]](https://www.fastprep.io/problems/visa-minimum-cost-to-select-people-for-skill-quotas) | May 05, 2026 | -| **IDFC** | [Special Binary String](https://www.fastprep.io/problems/idfc-special-binary-string) | [![Practice][p]](https://www.fastprep.io/problems/idfc-special-binary-string) | May 01, 2026 | -| **Amazon** | [Feasible Indices After Reduction](https://www.fastprep.io/problems/amazon-feasible-indices-after-reduction) | [![Practice][p]](https://www.fastprep.io/problems/amazon-feasible-indices-after-reduction) | Apr 30, 2026 | -| **Netflix** | [Command Undo Data Structure](https://www.fastprep.io/problems/netflix-command-undo-data-structure) | [![Practice][p]](https://www.fastprep.io/problems/netflix-command-undo-data-structure) | Apr 30, 2026 | -| **Google** | [Shortest Path with Mandatory Waypoint](https://www.fastprep.io/problems/google-shortest-path-with-mandatory-waypoint) | [![Practice][p]](https://www.fastprep.io/problems/google-shortest-path-with-mandatory-waypoint) | Apr 30, 2026 | -| **Google** | [Minimum Cars for Rental Requests](https://www.fastprep.io/problems/google-minimum-cars-for-rental-requests) | [![Practice][p]](https://www.fastprep.io/problems/google-minimum-cars-for-rental-requests) | Apr 30, 2026 | -| **Uber** | [First Unique Log Entry](https://www.fastprep.io/problems/uber-first-unique-log-entry) | [![Practice][p]](https://www.fastprep.io/problems/uber-first-unique-log-entry) | Apr 30, 2026 | -| **Uber** | [Top-K Using a Priority Queue](https://www.fastprep.io/problems/uber-top-k-using-priority-queue) | [![Practice][p]](https://www.fastprep.io/problems/uber-top-k-using-priority-queue) | Apr 30, 2026 | -| **Stripe** | [Generate Available Time Slots](https://www.fastprep.io/problems/stripe-generate-available-time-slots) | [![Practice][p]](https://www.fastprep.io/problems/stripe-generate-available-time-slots) | Apr 30, 2026 | -| **Applied Intuition** | [KV Store with Nested Transactions](https://www.fastprep.io/problems/applied-intuition-kv-store-nested-transactions) | [![Practice][p]](https://www.fastprep.io/problems/applied-intuition-kv-store-nested-transactions) | Apr 30, 2026 | -| **Citadel** | [Minimum Path Sum to Target in Binary Tree](https://www.fastprep.io/problems/citadel-minimum-path-sum-to-target-in-binary-tree) | [![Practice][p]](https://www.fastprep.io/problems/citadel-minimum-path-sum-to-target-in-binary-tree) | Apr 30, 2026 | -| **Datadog** | [Log Ingestion and Query](https://www.fastprep.io/problems/datadog-log-ingestion-and-query) | [![Practice][p]](https://www.fastprep.io/problems/datadog-log-ingestion-and-query) | Apr 30, 2026 | -| **LinkedIn** | [Count Completed Trips](https://www.fastprep.io/problems/linkedin-count-completed-trips) | [![Practice][p]](https://www.fastprep.io/problems/linkedin-count-completed-trips) | Apr 30, 2026 | -| **Oscar Health** | [Members Lacking Provider Network Access](https://www.fastprep.io/problems/oscar-health-members-lacking-provider-network-access) | [![Practice][p]](https://www.fastprep.io/problems/oscar-health-members-lacking-provider-network-access) | Apr 30, 2026 | -| **Tesla** | [KV Store with Rollback](https://www.fastprep.io/problems/tesla-kv-store-with-rollback) | [![Practice][p]](https://www.fastprep.io/problems/tesla-kv-store-with-rollback) | Apr 30, 2026 | -| **Oura** | [Assign Server Numbers by Type](https://www.fastprep.io/problems/oura-assign-server-numbers-by-type) | [![Practice][p]](https://www.fastprep.io/problems/oura-assign-server-numbers-by-type) | Apr 28, 2026 | -| **Verkada** | [Find Valid IP Addresses](https://www.fastprep.io/problems/verkada-find-valid-ip-addresses) | [![Practice][p]](https://www.fastprep.io/problems/verkada-find-valid-ip-addresses) | Apr 28, 2026 | -| **Visa** | [Maximize Capped Contribution Sum](https://www.fastprep.io/problems/visa-maximize-capped-contribution-sum) | [![Practice][p]](https://www.fastprep.io/problems/visa-maximize-capped-contribution-sum) | Apr 27, 2026 | -| **Visa** | [Longest Selectable Non-Decreasing Subarray](https://www.fastprep.io/problems/visa-longest-selectable-nondecreasing-subarray) | [![Practice][p]](https://www.fastprep.io/problems/visa-longest-selectable-nondecreasing-subarray) | Apr 27, 2026 | -| **Databricks** | [Find First Anagram Index](https://www.fastprep.io/problems/databricks-find-first-anagram-index) | [![Practice][p]](https://www.fastprep.io/problems/databricks-find-first-anagram-index) | Apr 27, 2026 | -| **Gemini** | [Minimum Fence Painting Operations](https://www.fastprep.io/problems/gemini-minimum-fence-painting-operations) | [![Practice][p]](https://www.fastprep.io/problems/gemini-minimum-fence-painting-operations) | Apr 27, 2026 | -| **IBM** | [Count Power Products in Range](https://www.fastprep.io/problems/ibm-count-power-products-in-range) | [![Practice][p]](https://www.fastprep.io/problems/ibm-count-power-products-in-range) | Apr 26, 2026 | -| **IBM** | [Count Descending Subarrays](https://www.fastprep.io/problems/ibm-count-descending-subarrays) | [![Practice][p]](https://www.fastprep.io/problems/ibm-count-descending-subarrays) | Apr 26, 2026 | -| **Amazon** | [Count Similar String Groups](https://www.fastprep.io/problems/amazon-count-similar-string-groups) | [![Practice][p]](https://www.fastprep.io/problems/amazon-count-similar-string-groups) | Apr 25, 2026 | -| **Uber** | [Balanced Prefix Sets in a Permutation](https://www.fastprep.io/problems/uber-balanced-prefix-sets-in-permutation) | [![Practice][p]](https://www.fastprep.io/problems/uber-balanced-prefix-sets-in-permutation) | Apr 25, 2026 | -| **Uber** | [Minimum Edge Reversals to Root a Tree](https://www.fastprep.io/problems/uber-minimum-edge-reversals-root) | [![Practice][p]](https://www.fastprep.io/problems/uber-minimum-edge-reversals-root) | Apr 25, 2026 | -| **Amazon** | [Create Array Generator Service](https://www.fastprep.io/problems/2.amazon-create-array-generator-service) | [![Practice][p]](https://www.fastprep.io/problems/2.amazon-create-array-generator-service) | Apr 20, 2026 | -| **Point72** | [Initial Public Offering](https://www.fastprep.io/problems/point72-initial-public-offering) | [![Practice][p]](https://www.fastprep.io/problems/point72-initial-public-offering) | Apr 19, 2026 | -| **Amazon** | [Get Min Errors](https://www.fastprep.io/problems/amazon-get-min-errors) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-errors) | Apr 16, 2026 | -| **Amazon** | [Maximum Score With Non-Adjacent Values](https://www.fastprep.io/problems/amazon-maximum-score-with-non-adjacent-values) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-score-with-non-adjacent-values) | Apr 14, 2026 | -| **Amazon** | [Make Value Groups Contiguous](https://www.fastprep.io/problems/amazon-make-value-groups-contiguous) | [![Practice][p]](https://www.fastprep.io/problems/amazon-make-value-groups-contiguous) | Apr 13, 2026 | -| **Superhuman** | [Lost Messages](https://www.fastprep.io/problems/superhuman-lost-messages) | [![Practice][p]](https://www.fastprep.io/problems/superhuman-lost-messages) | Apr 10, 2026 | -| **Superhuman** | [Optimal Transfer](https://www.fastprep.io/problems/superhuman-optimal-transfer) | [![Practice][p]](https://www.fastprep.io/problems/superhuman-optimal-transfer) | Apr 10, 2026 | -| **Superhuman** | [Math Homework](https://www.fastprep.io/problems/superhuman-math-homework) | [![Practice][p]](https://www.fastprep.io/problems/superhuman-math-homework) | Apr 10, 2026 | -| **Amazon** | [Dynamic Kth Largest Queries](https://www.fastprep.io/problems/amazon-dynamic-kth-largest-queries) | [![Practice][p]](https://www.fastprep.io/problems/amazon-dynamic-kth-largest-queries) | Apr 09, 2026 | -| **Amazon** | [Longest Zero Sum Subarray](https://www.fastprep.io/problems/amazon-longest-zero-sum-subarray) | [![Practice][p]](https://www.fastprep.io/problems/amazon-longest-zero-sum-subarray) | Apr 09, 2026 | -| **Amazon** | [Maximize Minimum Machine Power](https://www.fastprep.io/problems/amazon-maximize-minimum-machine-power) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-minimum-machine-power) | Apr 09, 2026 | -| **Amazon** | [Minimum Stick Connection Cost](https://www.fastprep.io/problems/amazon-minimum-stick-connection-cost) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-stick-connection-cost) | Apr 09, 2026 | -| **Uber** | [Balanced Permutation Subarrays](https://www.fastprep.io/problems/uber-balanced-permutation-subarrays) | [![Practice][p]](https://www.fastprep.io/problems/uber-balanced-permutation-subarrays) | Apr 09, 2026 | -| **Uber** | [Maximum Comfortable Riders](https://www.fastprep.io/problems/uber-maximum-comfortable-riders) | [![Practice][p]](https://www.fastprep.io/problems/uber-maximum-comfortable-riders) | Apr 09, 2026 | -| **Uber** | [Palindrome Path Queries in a Tree](https://www.fastprep.io/problems/uber-palindrome-path-queries) | [![Practice][p]](https://www.fastprep.io/problems/uber-palindrome-path-queries) | Apr 09, 2026 | -| **Amazon** | [Maximize Protected City Population](https://www.fastprep.io/problems/amazon-maximize-protected-city-population) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-protected-city-population) | Apr 06, 2026 | -| **Amazon** | [Minimum Cost to Convert Products to Variant A](https://www.fastprep.io/problems/amazon-minimum-cost-to-convert-products-to-variant-a) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-cost-to-convert-products-to-variant-a) | Apr 06, 2026 | -| **Amazon** | [Minimum Preparation Time for Two Handlers](https://www.fastprep.io/problems/amazon-minimum-preparation-time-for-two-handlers) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-preparation-time-for-two-handlers) | Apr 06, 2026 | -| **Rubrik** | [Minimum Swaps To Binary Palindrome](https://www.fastprep.io/problems/rubrik-minimum-swaps-to-binary-palindrome) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-minimum-swaps-to-binary-palindrome) | Apr 04, 2026 | -| **Zorvyn** | [Shortest Path With K Free Edges](https://www.fastprep.io/problems/zorvyn-shortest-path-with-k-free-edges) | [![Practice][p]](https://www.fastprep.io/problems/zorvyn-shortest-path-with-k-free-edges) | Apr 04, 2026 | -| **Snowflake** | [String Formation (Also for AI/ML Software Engineer Intern :)](https://www.fastprep.io/problems/num-ways) | [![Practice][p]](https://www.fastprep.io/problems/num-ways) | Mar 31, 2026 | -| **Snowflake** | [Max Element Indexes After Rotations](https://www.fastprep.io/problems/snowflake-max-element-indexes-after-rotations) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-max-element-indexes-after-rotations) | Mar 31, 2026 | -| **HackerRank** | [Check Permutation Divisible by Eight](https://www.fastprep.io/problems/hackerrank-check-permutation-divisible-by-eight) | [![Practice][p]](https://www.fastprep.io/problems/hackerrank-check-permutation-divisible-by-eight) | Mar 31, 2026 | -| **Microsoft** | [Maximum Data Transfer Time](https://www.fastprep.io/problems/microsoft-maximum-data-transfer-time) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-data-transfer-time) | Mar 28, 2026 | -| **Amazon** | [Sum Max Plus Min After Decrement Operations](https://www.fastprep.io/problems/amazon-sum-max-plus-min-after-decrement-operations) | [![Practice][p]](https://www.fastprep.io/problems/amazon-sum-max-plus-min-after-decrement-operations) | Mar 25, 2026 | -| **Uber** | [Minimum Plate Collection Time](https://www.fastprep.io/problems/uber-minimum-plate-collection-time) | [![Practice][p]](https://www.fastprep.io/problems/uber-minimum-plate-collection-time) | Mar 25, 2026 | -| **Blackrock** | [Process Scheduling](https://www.fastprep.io/problems/blackrock-process-scheduling) | [![Practice][p]](https://www.fastprep.io/problems/blackrock-process-scheduling) | Mar 25, 2026 | -| **Amazon** | [Make Power Non Decreasing](https://www.fastprep.io/problems/1.amazon-make-power-non-decreasing) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-make-power-non-decreasing) | Mar 24, 2026 | -| **Amazon** | [Sort Error Codes by Frequency](https://www.fastprep.io/problems/amazon-sort-error-codes-by-frequency) | [![Practice][p]](https://www.fastprep.io/problems/amazon-sort-error-codes-by-frequency) | Mar 24, 2026 | -| **Optiver** | [Days Between](https://www.fastprep.io/problems/optiver-days-between) | [![Practice][p]](https://www.fastprep.io/problems/optiver-days-between) | Mar 24, 2026 | -| **DRW** | [Simplified Tetris Engine](https://www.fastprep.io/problems/drw-simplified-tetris-engine) | [![Practice][p]](https://www.fastprep.io/problems/drw-simplified-tetris-engine) | Mar 23, 2026 | -| **Headlands** | [Disaster Recovery](https://www.fastprep.io/problems/headlands-disaster-recovery) | [![Practice][p]](https://www.fastprep.io/problems/headlands-disaster-recovery) | Mar 21, 2026 | -| **Microsoft** | [Visible Profiles Count](https://www.fastprep.io/problems/microsoft-visible-profiles-count) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-visible-profiles-count) | Mar 21, 2026 | -| **Swiggy** | [First and Last Occurrence](https://www.fastprep.io/problems/swiggy-first-and-last-occurrence) | [![Practice][p]](https://www.fastprep.io/problems/swiggy-first-and-last-occurrence) | Mar 20, 2026 | -| **TCS** | [Gym Fees Calculator](https://www.fastprep.io/problems/tcs-gym-fees-calculator) | [![Practice][p]](https://www.fastprep.io/problems/tcs-gym-fees-calculator) | Mar 20, 2026 | -| **Two Sigma** | [Sewer Drainage Partition](https://www.fastprep.io/problems/twosigma-sewer-drainage-partition) | [![Practice][p]](https://www.fastprep.io/problems/twosigma-sewer-drainage-partition) | Mar 18, 2026 | -| **Salesforce** | [Key Teams in Tree](https://www.fastprep.io/problems/salesforce-key-teams-in-tree) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-key-teams-in-tree) | Mar 15, 2026 | -| **Salesforce** | [System Energy Reduction](https://www.fastprep.io/problems/salesforce-system-energy-reduction) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-system-energy-reduction) | Mar 15, 2026 | -| **Salesforce** | [Update Logs by Symmetric XOR](https://www.fastprep.io/problems/salesforce-update-logs-by-symmetric-xor) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-update-logs-by-symmetric-xor) | Mar 15, 2026 | -| **Salesforce** | [Count Palindromic Concatenation Pairs](https://www.fastprep.io/problems/salesforce-count-palindromic-concatenation-pairs) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-count-palindromic-concatenation-pairs) | Mar 02, 2026 | -| **Microsoft** | [Recover Corrupted Master Page](https://www.fastprep.io/problems/microsoft-recover-corrupted-master-page) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-recover-corrupted-master-page) | Feb 27, 2026 | -| **Uber** | [Kth Greater Element Indexes](https://www.fastprep.io/problems/uber-kth-greater-element-indexes) | [![Practice][p]](https://www.fastprep.io/problems/uber-kth-greater-element-indexes) | Feb 24, 2026 | -| **Uber** | [Kth Largest Subarray Bitwise OR](https://www.fastprep.io/problems/uber-kth-largest-subarray-bitwise-or) | [![Practice][p]](https://www.fastprep.io/problems/uber-kth-largest-subarray-bitwise-or) | Feb 24, 2026 | -| **Uber** | [Minimum Spanning Tree Weight in a Complete Binary Graph](https://www.fastprep.io/problems/uber-minimum-spanning-tree-weight-in-complete-binary-graph) | [![Practice][p]](https://www.fastprep.io/problems/uber-minimum-spanning-tree-weight-in-complete-binary-graph) | Feb 24, 2026 | -| **Uber** | [Balanced Prefix Permutation](https://www.fastprep.io/problems/uber-balanced-prefix-permutation) | [![Practice][p]](https://www.fastprep.io/problems/uber-balanced-prefix-permutation) | Feb 19, 2026 | -| **Uber** | [Minimum Euclidean Plate Collection Time](https://www.fastprep.io/problems/uber-minimum-euclidean-plate-collection-time) | [![Practice][p]](https://www.fastprep.io/problems/uber-minimum-euclidean-plate-collection-time) | Feb 19, 2026 | -| **Infosys** | [Maximum Subarray Sum After Swaps](https://www.fastprep.io/problems/infosys-maximum-subarray-sum-after-swaps) | [![Practice][p]](https://www.fastprep.io/problems/infosys-maximum-subarray-sum-after-swaps) | Feb 19, 2026 | -| **Postman** | [Group Duplicate Files by Content](https://www.fastprep.io/problems/postman-duplicate-files-by-content) | [![Practice][p]](https://www.fastprep.io/problems/postman-duplicate-files-by-content) | Feb 17, 2026 | -| **Salesforce** | [Collect Opportunity Data in a Tree](https://www.fastprep.io/problems/salesforce-collect-opportunity-data-in-a-tree) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-collect-opportunity-data-in-a-tree) | Feb 06, 2026 | -| **Salesforce** | [Replace '?' to Avoid Adjacent Duplicates](https://www.fastprep.io/problems/salesforce-replace-question-mark-to-avoid-adjacent-duplicates) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-replace-question-mark-to-avoid-adjacent-duplicates) | Feb 06, 2026 | -| **Salesforce** | [Strings With No k Consecutive Identical Characters](https://www.fastprep.io/problems/salesforce-strings-with-no-k-consecutive-identical-characters) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-strings-with-no-k-consecutive-identical-characters) | Feb 06, 2026 | -| **Amazon** | [Lexicographically Smallest After One Substring Rotation](https://www.fastprep.io/problems/amazon-lexicographically-smallest-after-one-substring-rotation) | [![Practice][p]](https://www.fastprep.io/problems/amazon-lexicographically-smallest-after-one-substring-rotation) | Feb 05, 2026 | -| **Uber** | [Binary Tree: Subtree Sum, Maximum Path Sum, and Path Nodes](https://www.fastprep.io/problems/uber-binary-tree-subtree-sum-maximum-path-and-path-nodes) | [![Practice][p]](https://www.fastprep.io/problems/uber-binary-tree-subtree-sum-maximum-path-and-path-nodes) | Feb 04, 2026 | -| **IBM** | [Count Unstable Processes](https://www.fastprep.io/problems/ibm-count-unstable-processes) | [![Practice][p]](https://www.fastprep.io/problems/ibm-count-unstable-processes) | Feb 03, 2026 | -| **IBM** | [Longest Balanced Binary Subarray](https://www.fastprep.io/problems/ibm-longest-balanced-binary-subarray) | [![Practice][p]](https://www.fastprep.io/problems/ibm-longest-balanced-binary-subarray) | Feb 03, 2026 | -| **Amazon** | [Minimum Operations to Sort a Permutation](https://www.fastprep.io/problems/amazon-minimum-operations-to-sort-permutation) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-operations-to-sort-permutation) | Jan 30, 2026 | -| **Amazon** | [Package Delivery System](https://www.fastprep.io/problems/amazon-package-delivery-system) | [![Practice][p]](https://www.fastprep.io/problems/amazon-package-delivery-system) | Jan 24, 2026 | -| **Amazon** | [VM Rental Revenue](https://www.fastprep.io/problems/amazon-vm-rental-revenue) | [![Practice][p]](https://www.fastprep.io/problems/amazon-vm-rental-revenue) | Jan 24, 2026 | -| **Amazon** | [Lexicographically Maximum Final Sequence](https://www.fastprep.io/problems/amazon-lexicographically-maximum-final-sequence) | [![Practice][p]](https://www.fastprep.io/problems/amazon-lexicographically-maximum-final-sequence) | Jan 24, 2026 | -| **JP Morgan** | [Count Dropped Requests](https://www.fastprep.io/problems/jpmorgan-count-dropped-requests) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-count-dropped-requests) | Jan 19, 2026 | -| **JP Morgan** | [Generate Table of Contents](https://www.fastprep.io/problems/jpmorgan-generate-table-of-contents) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-generate-table-of-contents) | Jan 19, 2026 | -| **Walmart** | [Sort Real Number Strings](https://www.fastprep.io/problems/walmart-sort-real-number-strings) | [![Practice][p]](https://www.fastprep.io/problems/walmart-sort-real-number-strings) | Jan 12, 2026 | -| **SavantLabs** | [Minutes to Infect Tree](https://www.fastprep.io/problems/savantlabs-minutes-to-infect-tree) | [![Practice][p]](https://www.fastprep.io/problems/savantlabs-minutes-to-infect-tree) | Jan 12, 2026 | -| **Toast** | [Maximum Stock Profit With Time Gap](https://www.fastprep.io/problems/toast-maximum-stock-profit-with-time-gap) | [![Practice][p]](https://www.fastprep.io/problems/toast-maximum-stock-profit-with-time-gap) | Jan 12, 2026 | -| **Amazon** | [Longest Arithmetic Subarray After One Change](https://www.fastprep.io/problems/amazon-longest-arithmetic-subarray-after-one-change) | [![Practice][p]](https://www.fastprep.io/problems/amazon-longest-arithmetic-subarray-after-one-change) | Jan 06, 2026 | -| **Amazon** | [Replace Values and Return Sums](https://www.fastprep.io/problems/amazon-replace-values-and-return-sums) | [![Practice][p]](https://www.fastprep.io/problems/amazon-replace-values-and-return-sums) | Jan 06, 2026 | -| **Google** | [Count Divisible Coin Selections](https://www.fastprep.io/problems/google-count-divisible-coin-selections) | [![Practice][p]](https://www.fastprep.io/problems/google-count-divisible-coin-selections) | Dec 24, 2025 | -| **Google** | [Minimum Town Sum Difference](https://www.fastprep.io/problems/google-minimum-town-sum-difference) | [![Practice][p]](https://www.fastprep.io/problems/google-minimum-town-sum-difference) | Dec 24, 2025 | -| **Oracle** | [First Balanced Removal Index](https://www.fastprep.io/problems/oracle-first-balanced-removal-index) | [![Practice][p]](https://www.fastprep.io/problems/oracle-first-balanced-removal-index) | Dec 22, 2025 | -| **Google** | [Reach the End in Time](https://www.fastprep.io/problems/google-reach-the-end-in-time) | [![Practice][p]](https://www.fastprep.io/problems/google-reach-the-end-in-time) | Dec 20, 2025 | -| **HackerRank** | [Ball Passing at Time K](https://www.fastprep.io/problems/hackerrank-ball-passing-at-time-k) | [![Practice][p]](https://www.fastprep.io/problems/hackerrank-ball-passing-at-time-k) | Dec 17, 2025 | -| **HackerRank** | [Longest Equal Binary Subarray](https://www.fastprep.io/problems/hackerrank-longest-equal-binary-subarray) | [![Practice][p]](https://www.fastprep.io/problems/hackerrank-longest-equal-binary-subarray) | Dec 17, 2025 | -| **HackerRank** | [Longest Equal Binary Subarray After One Flip](https://www.fastprep.io/problems/hackerrank-longest-equal-binary-subarray-after-one-flip) | [![Practice][p]](https://www.fastprep.io/problems/hackerrank-longest-equal-binary-subarray-after-one-flip) | Dec 17, 2025 | -| **Visa** | [Previous Bus Departure](https://www.fastprep.io/problems/visa-previous-bus-departure) | [![Practice][p]](https://www.fastprep.io/problems/visa-previous-bus-departure) | Dec 16, 2025 | -| **Zopsmart** | [Base36 Square Root](https://www.fastprep.io/problems/zopsmart-base36-square-root) | [![Practice][p]](https://www.fastprep.io/problems/zopsmart-base36-square-root) | Dec 16, 2025 | -| **Zopsmart** | [Minimum Hidden Roman Value](https://www.fastprep.io/problems/zopsmart-minimum-hidden-roman-value) | [![Practice][p]](https://www.fastprep.io/problems/zopsmart-minimum-hidden-roman-value) | Dec 16, 2025 | -| **Zopsmart** | [Reverse Base36 Number](https://www.fastprep.io/problems/zopsmart-reverse-base36-number) | [![Practice][p]](https://www.fastprep.io/problems/zopsmart-reverse-base36-number) | Dec 16, 2025 | -| **Amazon** | [Minimum S3 Storage Cost](https://www.fastprep.io/problems/amazon-minimum-s3-storage-cost) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-s3-storage-cost) | Dec 11, 2025 | -| **Flipkart** | [Minimized Total Idle Time](https://www.fastprep.io/problems/flipkart-minimized-total-idle-time) | [![Practice][p]](https://www.fastprep.io/problems/flipkart-minimized-total-idle-time) | Dec 11, 2025 | -| **HSBC** | [Minimum Markers to Clear Line Segments](https://www.fastprep.io/problems/hsbc-minimum-markers-to-clear-line-segments) | [![Practice][p]](https://www.fastprep.io/problems/hsbc-minimum-markers-to-clear-line-segments) | Nov 19, 2025 | -| **MathWorks** | [Balancing Teams](https://www.fastprep.io/problems/mathworks-balancing-teams) | [![Practice][p]](https://www.fastprep.io/problems/mathworks-balancing-teams) | Nov 16, 2025 | -| **MathWorks** | [Largest Sub-Grid](https://www.fastprep.io/problems/mathworks-largest-sub-grid) | [![Practice][p]](https://www.fastprep.io/problems/mathworks-largest-sub-grid) | Nov 16, 2025 | -| **Two Sigma** | [Calculate y/x using Patch](https://www.fastprep.io/problems/twosigma-calculate-y-over-x) | [![Practice][p]](https://www.fastprep.io/problems/twosigma-calculate-y-over-x) | Nov 09, 2025 | -| **IBM** | [Process Execution Time](https://www.fastprep.io/problems/ibm-process-execution-time) | [![Practice][p]](https://www.fastprep.io/problems/ibm-process-execution-time) | Nov 03, 2025 | -| **IBM** | [Service Timeout Detection](https://www.fastprep.io/problems/ibm-service-timeout-detection) | [![Practice][p]](https://www.fastprep.io/problems/ibm-service-timeout-detection) | Nov 03, 2025 | -| **Microsoft** | [Distinct Number Line Moves](https://www.fastprep.io/problems/microsoft-distinct-number-line-moves) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-distinct-number-line-moves) | Oct 16, 2025 | -| **Goldman Sachs** | [Lock Code](https://www.fastprep.io/problems/goldman-decrypt-code-lock) | [![Practice][p]](https://www.fastprep.io/problems/goldman-decrypt-code-lock) | Sep 06, 2025 | -| **Goldman Sachs** | [Data Reorganization](https://www.fastprep.io/problems/goldman-get-minimum-value) | [![Practice][p]](https://www.fastprep.io/problems/goldman-get-minimum-value) | Sep 06, 2025 | -| **SpaceX** | [Rocket Component Cost](https://www.fastprep.io/problems/spacex-rocket-component-cost) | [![Practice][p]](https://www.fastprep.io/problems/spacex-rocket-component-cost) | Aug 22, 2025 | -| **Amazon** | [Fair Prize Distribution](https://www.fastprep.io/problems/amazon-fair-prize-distribution) | [![Practice][p]](https://www.fastprep.io/problems/amazon-fair-prize-distribution) | Aug 10, 2025 | -| **Amazon** | [Count Picked Items Less Than Queries](https://www.fastprep.io/problems/amazon-count-picked-items-less-than-queries) | [![Practice][p]](https://www.fastprep.io/problems/amazon-count-picked-items-less-than-queries) | Aug 10, 2025 | -| **Salesforce** | [Spam Text Classification](https://www.fastprep.io/problems/salesforce-spam-text-classification) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-spam-text-classification) | Aug 06, 2025 | -| **Salesforce** | [Viewable Profiles by User](https://www.fastprep.io/problems/salesforce-viewable-profiles-by-user) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-viewable-profiles-by-user) | Aug 06, 2025 | -| **Amazon** | [Largest Number With Digit Sum](https://www.fastprep.io/problems/amazon-largest-number-with-digit-sum) | [![Practice][p]](https://www.fastprep.io/problems/amazon-largest-number-with-digit-sum) | Aug 03, 2025 | -| **Amazon** | [Minimize Binary Subsequence Cost](https://www.fastprep.io/problems/amazon-minimize-binary-subsequence-cost) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimize-binary-subsequence-cost) | Aug 03, 2025 | -| **Salesforce** | [Maximize Movie Ratings With Skip Limit](https://www.fastprep.io/problems/salesforce-maximize-movie-ratings-with-skip-limit) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-maximize-movie-ratings-with-skip-limit) | Jul 26, 2025 | -| **Amazon** | [First Valid Word Segmentation](https://www.fastprep.io/problems/amazon-first-word-segmentation) | [![Practice][p]](https://www.fastprep.io/problems/amazon-first-word-segmentation) | Jul 26, 2025 | -| **Amazon** | [Longest Increasing Subsequence With Bounded Adjacent Difference](https://www.fastprep.io/problems/amazon-longest-increasing-subsequence-bounded-difference) | [![Practice][p]](https://www.fastprep.io/problems/amazon-longest-increasing-subsequence-bounded-difference) | Jul 26, 2025 | -| **Amazon** | [Nearby Fulfillment Centers with Inventory](https://www.fastprep.io/problems/amazon-nearby-fulfillment-centers) | [![Practice][p]](https://www.fastprep.io/problems/amazon-nearby-fulfillment-centers) | Jul 26, 2025 | -| **Amazon** | [Search in a Rotated Sorted Array](https://www.fastprep.io/problems/amazon-search-rotated-sorted-array) | [![Practice][p]](https://www.fastprep.io/problems/amazon-search-rotated-sorted-array) | Jul 26, 2025 | -| **Amperity** | [Draw Overlapping ASCII Rectangles](https://www.fastprep.io/problems/amperity-ascii-rectangle-canvas) | [![Practice][p]](https://www.fastprep.io/problems/amperity-ascii-rectangle-canvas) | Jul 26, 2025 | -| **Anthropic** | [Profiling Events from Consecutive Stack Samples](https://www.fastprep.io/problems/anthropic-consecutive-stack-sample-trace-events) | [![Practice][p]](https://www.fastprep.io/problems/anthropic-consecutive-stack-sample-trace-events) | Jul 26, 2025 | -| **ByteDance** | [Longest Repeating Character Replacement](https://www.fastprep.io/problems/bytedance-longest-repeating-character-replacement) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-longest-repeating-character-replacement) | Jul 26, 2025 | -| **ByteDance** | [QuickSelect Kth Smallest](https://www.fastprep.io/problems/bytedance-quickselect-kth-smallest) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-quickselect-kth-smallest) | Jul 26, 2025 | -| **ByteDance** | [Search in Rotated Sorted Array](https://www.fastprep.io/problems/bytedance-search-in-rotated-sorted-array) | [![Practice][p]](https://www.fastprep.io/problems/bytedance-search-in-rotated-sorted-array) | Jul 26, 2025 | -| **Capillary Technologies** | [Delete a Linked-List Node Without the Head](https://www.fastprep.io/problems/capillary-delete-linked-list-node-without-head) | [![Practice][p]](https://www.fastprep.io/problems/capillary-delete-linked-list-node-without-head) | Jul 26, 2025 | -| **Capillary Technologies** | [Top View of a Binary Tree](https://www.fastprep.io/problems/capillary-top-view-of-binary-tree) | [![Practice][p]](https://www.fastprep.io/problems/capillary-top-view-of-binary-tree) | Jul 26, 2025 | -| **Cisco** | [Longest Non-Repeating Substring](https://www.fastprep.io/problems/cisco-longest-non-repeating-substring) | [![Practice][p]](https://www.fastprep.io/problems/cisco-longest-non-repeating-substring) | Jul 26, 2025 | -| **Databricks** | [Durable Data Writer](https://www.fastprep.io/problems/databricks-durable-data-writer) | [![Practice][p]](https://www.fastprep.io/problems/databricks-durable-data-writer) | Jul 26, 2025 | -| **Databricks** | [Snapshot Set Iterator](https://www.fastprep.io/problems/databricks-snapshot-set-iterator) | [![Practice][p]](https://www.fastprep.io/problems/databricks-snapshot-set-iterator) | Jul 26, 2025 | -| **Google** | [Binary Matrix Top-to-Bottom Reachability](https://www.fastprep.io/problems/google-binary-matrix-top-to-bottom-reachability) | [![Practice][p]](https://www.fastprep.io/problems/google-binary-matrix-top-to-bottom-reachability) | Jul 26, 2025 | -| **Google** | [Enumerate Top-to-Bottom Grid Paths](https://www.fastprep.io/problems/google-enumerate-top-to-bottom-grid-paths) | [![Practice][p]](https://www.fastprep.io/problems/google-enumerate-top-to-bottom-grid-paths) | Jul 26, 2025 | -| **Google** | [Inclusive Rectangle Coverage Counts](https://www.fastprep.io/problems/google-inclusive-rectangle-coverage-counts) | [![Practice][p]](https://www.fastprep.io/problems/google-inclusive-rectangle-coverage-counts) | Jul 26, 2025 | -| **Google** | [Minimum-Weight Top-to-Bottom Grid Path](https://www.fastprep.io/problems/google-minimum-weight-top-to-bottom-grid-path) | [![Practice][p]](https://www.fastprep.io/problems/google-minimum-weight-top-to-bottom-grid-path) | Jul 26, 2025 | -| **Google** | [Priority Job Scheduler with Cooldowns](https://www.fastprep.io/problems/google-priority-job-scheduler-with-cooldown) | [![Practice][p]](https://www.fastprep.io/problems/google-priority-job-scheduler-with-cooldown) | Jul 26, 2025 | -| **Harvey** | [Highlight and Rank Overlapping Citations](https://www.fastprep.io/problems/harvey-rank-citations-by-word-overlap) | [![Practice][p]](https://www.fastprep.io/problems/harvey-rank-citations-by-word-overlap) | Jul 26, 2025 | -| **Illumio** | [Time-Based Key-Value Database](https://www.fastprep.io/problems/illumio-time-based-key-value-database) | [![Practice][p]](https://www.fastprep.io/problems/illumio-time-based-key-value-database) | Jul 26, 2025 | -| **LinkedIn** | [Merge N-Ary Trees by Key](https://www.fastprep.io/problems/linkedin-merge-n-ary-trees-by-key) | [![Practice][p]](https://www.fastprep.io/problems/linkedin-merge-n-ary-trees-by-key) | Jul 26, 2025 | -| **Meta** | [Count Fully Used Batteries](https://www.fastprep.io/problems/meta-count-fully-used-batteries) | [![Practice][p]](https://www.fastprep.io/problems/meta-count-fully-used-batteries) | Jul 26, 2025 | -| **Meta** | [Count Key Changes](https://www.fastprep.io/problems/meta-count-key-changes) | [![Practice][p]](https://www.fastprep.io/problems/meta-count-key-changes) | Jul 26, 2025 | -| **Meta** | [Minimum Operations for a Stepwise Sequence](https://www.fastprep.io/problems/meta-minimum-stepwise-operations) | [![Practice][p]](https://www.fastprep.io/problems/meta-minimum-stepwise-operations) | Jul 26, 2025 | -| **Meta** | [Most Frequent Reduced Digit](https://www.fastprep.io/problems/meta-most-frequent-reduced-digit) | [![Practice][p]](https://www.fastprep.io/problems/meta-most-frequent-reduced-digit) | Jul 26, 2025 | -| **Nuro** | [Maximum Value for Two Delivery Robots](https://www.fastprep.io/problems/nuro-maximum-two-robot-delivery-value) | [![Practice][p]](https://www.fastprep.io/problems/nuro-maximum-two-robot-delivery-value) | Jul 26, 2025 | -| **OnePay** | [Count Complete Toll Journeys](https://www.fastprep.io/problems/onepay-count-complete-toll-journeys) | [![Practice][p]](https://www.fastprep.io/problems/onepay-count-complete-toll-journeys) | Jul 26, 2025 | -| **OpenAI** | [Versioned Followers and Followees](https://www.fastprep.io/problems/openai-versioned-followers-and-followees) | [![Practice][p]](https://www.fastprep.io/problems/openai-versioned-followers-and-followees) | Jul 26, 2025 | -| **OpenAI** | [Versioned Friend Recommendations](https://www.fastprep.io/problems/openai-versioned-friend-recommendations) | [![Practice][p]](https://www.fastprep.io/problems/openai-versioned-friend-recommendations) | Jul 26, 2025 | -| **Pinterest** | [Nearest Eligible Elevator](https://www.fastprep.io/problems/pinterest-nearest-eligible-elevator) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-nearest-eligible-elevator) | Jul 26, 2025 | -| **Pinterest** | [Time-Ordered Elevator Dispatch](https://www.fastprep.io/problems/pinterest-time-ordered-elevator-dispatch) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-time-ordered-elevator-dispatch) | Jul 26, 2025 | -| **Salesforce** | [Maximum Barbell Weight](https://www.fastprep.io/problems/salesforce-weight-capacity) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-weight-capacity) | Jul 26, 2025 | -| **Salesforce** | [Minimum No-Repeat Segments After One Character Removal](https://www.fastprep.io/problems/salesforce-minimum-no-repeat-segments-after-removal) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-minimum-no-repeat-segments-after-removal) | Jul 26, 2025 | -| **SAP Labs** | [Sliding-Window Text Chunking](https://www.fastprep.io/problems/sap-sliding-window-text-chunking) | [![Practice][p]](https://www.fastprep.io/problems/sap-sliding-window-text-chunking) | Jul 26, 2025 | -| **Serval** | [Find Shared Camera Activity Periods](https://www.fastprep.io/problems/serval-shared-camera-activity-periods) | [![Practice][p]](https://www.fastprep.io/problems/serval-shared-camera-activity-periods) | Jul 26, 2025 | -| **Snowflake** | [Simulate a Queued Multi-Rule Rate Limiter](https://www.fastprep.io/problems/snowflake-queued-multi-rule-rate-limiter) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-queued-multi-rule-rate-limiter) | Jul 26, 2025 | -| **Tekion** | [Koko Eating Bananas](https://www.fastprep.io/problems/tekion-koko-eating-bananas) | [![Practice][p]](https://www.fastprep.io/problems/tekion-koko-eating-bananas) | Jul 26, 2025 | -| **Tekion** | [Maximum Sum of a Unique-Element Subarray](https://www.fastprep.io/problems/tekion-maximum-sum-unique-element-subarray) | [![Practice][p]](https://www.fastprep.io/problems/tekion-maximum-sum-unique-element-subarray) | Jul 26, 2025 | -| **Tekion** | [Minimum Size Subarray Sum With Negatives](https://www.fastprep.io/problems/tekion-minimum-size-subarray-sum-with-negatives) | [![Practice][p]](https://www.fastprep.io/problems/tekion-minimum-size-subarray-sum-with-negatives) | Jul 26, 2025 | -| **Tekion** | [Number of Islands](https://www.fastprep.io/problems/tekion-number-of-islands) | [![Practice][p]](https://www.fastprep.io/problems/tekion-number-of-islands) | Jul 26, 2025 | -| **Tekion** | [Set Matrix Zeroes](https://www.fastprep.io/problems/tekion-set-matrix-zeroes) | [![Practice][p]](https://www.fastprep.io/problems/tekion-set-matrix-zeroes) | Jul 26, 2025 | -| **TikTok** | [Can Reach the Exit with Teleports](https://www.fastprep.io/problems/tiktok-teleport-labyrinth) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-teleport-labyrinth) | Jul 26, 2025 | -| **TikTok** | [Check Monotonic Triples](https://www.fastprep.io/problems/tiktok-check-monotonic-triples) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-check-monotonic-triples) | Jul 26, 2025 | -| **TikTok** | [Shift Every K-th Consonant](https://www.fastprep.io/problems/tiktok-shift-every-kth-consonant) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-shift-every-kth-consonant) | Jul 26, 2025 | -| **Together AI** | [Find GPU Capacity and Drain a Node](https://www.fastprep.io/problems/together-ai-gpu-node-rescheduling) | [![Practice][p]](https://www.fastprep.io/problems/together-ai-gpu-node-rescheduling) | Jul 26, 2025 | -| **Virtu Financial** | [Count Substrings With Identical Characters](https://www.fastprep.io/problems/virtu-count-identical-character-substrings) | [![Practice][p]](https://www.fastprep.io/problems/virtu-count-identical-character-substrings) | Jul 26, 2025 | -| **Virtu Financial** | [HexSpeak](https://www.fastprep.io/problems/virtu-hexspeak) | [![Practice][p]](https://www.fastprep.io/problems/virtu-hexspeak) | Jul 26, 2025 | -| **Virtu Financial** | [Maximum Apples That Fit in a Box](https://www.fastprep.io/problems/virtu-maximum-apples-in-box) | [![Practice][p]](https://www.fastprep.io/problems/virtu-maximum-apples-in-box) | Jul 26, 2025 | -| **Virtu Financial** | [Minimum Steps to a Fibonacci Number](https://www.fastprep.io/problems/virtu-minimum-steps-to-fibonacci) | [![Practice][p]](https://www.fastprep.io/problems/virtu-minimum-steps-to-fibonacci) | Jul 26, 2025 | -| **Zoox** | [Best Time to Buy and Sell Stock](https://www.fastprep.io/problems/zoox-best-time-to-buy-and-sell-stock) | [![Practice][p]](https://www.fastprep.io/problems/zoox-best-time-to-buy-and-sell-stock) | Jul 26, 2025 | -| **Arcesium** | [City Infection Number](https://www.fastprep.io/problems/arcesium-city-infection-number) | [![Practice][p]](https://www.fastprep.io/problems/arcesium-city-infection-number) | Jul 23, 2025 | -| **Arcesium** | [Minimum Tunnel Crossing Time](https://www.fastprep.io/problems/arcesium-minimum-tunnel-crossing-time) | [![Practice][p]](https://www.fastprep.io/problems/arcesium-minimum-tunnel-crossing-time) | Jul 23, 2025 | -| **Arcesium** | [Product of Subset Maxima](https://www.fastprep.io/problems/arcesium-product-of-subset-maxima) | [![Practice][p]](https://www.fastprep.io/problems/arcesium-product-of-subset-maxima) | Jul 23, 2025 | -| **Arcesium** | [Reconstruct the Root Stream](https://www.fastprep.io/problems/arcesium-reconstruct-root-stream) | [![Practice][p]](https://www.fastprep.io/problems/arcesium-reconstruct-root-stream) | Jul 23, 2025 | -| **Amazon** | [Maximize Pages Before Suspension](https://www.fastprep.io/problems/amazon-maximize-pages-before-suspension) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-pages-before-suspension) | Jul 08, 2025 | -| **Salesforce** | [Minimum Operations to Zero](https://www.fastprep.io/problems/salesforce-minimum-operations-to-zero) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-minimum-operations-to-zero) | Jul 08, 2025 | -| **Salesforce** | [Integrity Score](https://www.fastprep.io/problems/salesforce-integrity-score) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-integrity-score) | Jul 08, 2025 | -| **Fortinet** | [Compute Checksum Aggregation](https://www.fastprep.io/problems/fortinet-compute-checksum-aggregation) | [![Practice][p]](https://www.fastprep.io/problems/fortinet-compute-checksum-aggregation) | Jul 08, 2025 | -| **Fortinet** | [Madam C.J. Walker's Business Plan](https://www.fastprep.io/problems/fortinet-calculate-maximum-profit) | [![Practice][p]](https://www.fastprep.io/problems/fortinet-calculate-maximum-profit) | Jun 24, 2025 | -| **Fortinet** | [K-Means Clustering](https://www.fastprep.io/problems/fortinet-get-maximum-distance) | [![Practice][p]](https://www.fastprep.io/problems/fortinet-get-maximum-distance) | Jun 24, 2025 | -| **Fortinet** | [Signal Pings](https://www.fastprep.io/problems/fortinet-get-required-sweeps) | [![Practice][p]](https://www.fastprep.io/problems/fortinet-get-required-sweeps) | Jun 24, 2025 | -| **Box** | [Retention Policy Collision](https://www.fastprep.io/problems/box-find-remaining-policies) | [![Practice][p]](https://www.fastprep.io/problems/box-find-remaining-policies) | Jun 24, 2025 | -| **Box** | [Counterfeit Currency](https://www.fastprep.io/problems/box-count-counterfeit) | [![Practice][p]](https://www.fastprep.io/problems/box-count-counterfeit) | Jun 24, 2025 | -| **Box** | [Box Fro~yo](https://www.fastprep.io/problems/box-flavor-changer) | [![Practice][p]](https://www.fastprep.io/problems/box-flavor-changer) | Jun 24, 2025 | -| **Amazon** | [Predict Answer](https://www.fastprep.io/problems/amazon-predict-answer) | [![Practice][p]](https://www.fastprep.io/problems/amazon-predict-answer) | Jun 23, 2025 | -| **Amazon** | [Get Min Subsegments](https://www.fastprep.io/problems/amazon-get-min-subsegments) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-subsegments) | Jun 18, 2025 | -| **Amazon** | [Find Security Level](https://www.fastprep.io/problems/amazon-find-security-level) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-security-level) | Jun 18, 2025 | -| **Amazon** | [Minimize Variation](https://www.fastprep.io/problems/amazon-minimize-variation) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimize-variation) | Jun 18, 2025 | -| **JP Morgan** | [Calculate Net Profit](https://www.fastprep.io/problems/jpmorgan-calculate-net-profit) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-calculate-net-profit) | Jun 18, 2025 | -| **JP Morgan** | [Balanced Sum](https://www.fastprep.io/problems/jpmorgan-balanced-sum) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-balanced-sum) | Jun 18, 2025 | -| **JP Morgan** | [Get Min Operations](https://www.fastprep.io/problems/jpmorgan-get-min-operations) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-min-operations) | Jun 18, 2025 | -| **JP Morgan** | [Get Search Result](https://www.fastprep.io/problems/jpmorgan-get-search-results) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-search-results) | Jun 18, 2025 | -| **JP Morgan** | [One Substring Count](https://www.fastprep.io/problems/jpmorgan-one-substring-count) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-one-substring-count) | Jun 18, 2025 | -| **JP Morgan** | [Find Total Weight](https://www.fastprep.io/problems/jpmorgan-find-total-weight) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-find-total-weight) | Jun 18, 2025 | -| **PayPay** | [Sum Consecutive Identical Digits](https://www.fastprep.io/problems/paypay-sum-consecutive-identical-digits) | [![Practice][p]](https://www.fastprep.io/problems/paypay-sum-consecutive-identical-digits) | Jun 18, 2025 | -| **PayPay** | [Board Coloring and Query Processing](https://www.fastprep.io/problems/paypay-board-coloring-and-query-processing) | [![Practice][p]](https://www.fastprep.io/problems/paypay-board-coloring-and-query-processing) | Jun 18, 2025 | -| **PayPay** | [Palindromic Array Transformation](https://www.fastprep.io/problems/paypay-palindromic-array-transformation) | [![Practice][p]](https://www.fastprep.io/problems/paypay-palindromic-array-transformation) | Jun 18, 2025 | -| **PayPay** | [Calculate Change](https://www.fastprep.io/problems/paypay-calculate-change) | [![Practice][p]](https://www.fastprep.io/problems/paypay-calculate-change) | Jun 18, 2025 | -| **PayPay** | [Find Maximum Two-Digit Fragment](https://www.fastprep.io/problems/paypay-find-maximum-two-digit-fragment) | [![Practice][p]](https://www.fastprep.io/problems/paypay-find-maximum-two-digit-fragment) | Jun 18, 2025 | -| **Amazon** | [Find Hash](https://www.fastprep.io/problems/amazon-find-hash) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-hash) | Jun 12, 2025 | -| **Amazon** | [Find Minimum Days](https://www.fastprep.io/problems/amazon-find-minimum-days) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-days) | May 31, 2025 | -| **Amazon** | [Split Prefix Suffix](https://www.fastprep.io/problems/amazon-split-prefix-suffix) | [![Practice][p]](https://www.fastprep.io/problems/amazon-split-prefix-suffix) | May 31, 2025 | -| **Amazon** | [Find Minimum Machine Sizes](https://www.fastprep.io/problems/amazon-find-minimum-machines-size) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-machines-size) | May 31, 2025 | -| **Amazon** | [Count Special Substrings](https://www.fastprep.io/problems/amazon-count-special-substrs) | [![Practice][p]](https://www.fastprep.io/problems/amazon-count-special-substrs) | May 31, 2025 | -| **Amazon** | [Get Maximum Count](https://www.fastprep.io/problems/amazon-get-maximum-count) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-maximum-count) | May 31, 2025 | -| **Cloudflare** | [Determine Min Partitions Required](https://www.fastprep.io/problems/cloudflare-determine-min-partitions-required) | [![Practice][p]](https://www.fastprep.io/problems/cloudflare-determine-min-partitions-required) | May 31, 2025 | -| **Amazon** | [Determine the Best Skipping Strategy](https://www.fastprep.io/problems/amazon-determine-the-best-skipping-strategy) | [![Practice][p]](https://www.fastprep.io/problems/amazon-determine-the-best-skipping-strategy) | May 25, 2025 | -| **Amazon** | [Find Number of Compatible Substrings](https://www.fastprep.io/problems/1.amazon-find-number-of-compatible-substrings) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-number-of-compatible-substrings) | May 25, 2025 | -| **Amazon** | [Minimum Connected Delivery Zones After Adding One Interval](https://www.fastprep.io/problems/1.amazon-min-disconnected-sets) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-min-disconnected-sets) | May 25, 2025 | -| **Amazon** | [Find Maximum Score](https://www.fastprep.io/problems/1.amazon-find-maximum-score) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-maximum-score) | May 25, 2025 | -| **Amazon** | [Lexicographically Maximal Resulting Array](https://www.fastprep.io/problems/1.amazon-lexicographically-maximal-resulting-array) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-lexicographically-maximal-resulting-array) | May 25, 2025 | -| **Meesho** | [Distinct Moves](https://www.fastprep.io/problems/meesho-distinct-moves) | [![Practice][p]](https://www.fastprep.io/problems/meesho-distinct-moves) | May 25, 2025 | -| **Agoda** | [Unique Digits in Range](https://www.fastprep.io/problems/agoda-unique-digits-in-range) | [![Practice][p]](https://www.fastprep.io/problems/agoda-unique-digits-in-range) | May 25, 2025 | -| **Agoda** | [Two-Core Process Assignment](https://www.fastprep.io/problems/agoda-two-core-process-assignment) | [![Practice][p]](https://www.fastprep.io/problems/agoda-two-core-process-assignment) | May 25, 2025 | -| **Agoda** | [Team Formation](https://www.fastprep.io/problems/agoda-team-formation) | [![Practice][p]](https://www.fastprep.io/problems/agoda-team-formation) | May 25, 2025 | -| **IBM** | [Get Min Increment](https://www.fastprep.io/problems/ibm-get-minimum-increment) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-minimum-increment) | May 25, 2025 | -| **IBM** | [Get Min Operations](https://www.fastprep.io/problems/ibm-get-min-operations) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-min-operations) | May 25, 2025 | -| **Microsoft** | [Valid Mixed Case Letters](https://www.fastprep.io/problems/microsoft-valid-mixed-case-letters) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-valid-mixed-case-letters) | May 25, 2025 | -| **Airtable** | [Approximate Percentiles](https://www.fastprep.io/problems/airtable-approximate-percentiles) | [![Practice][p]](https://www.fastprep.io/problems/airtable-approximate-percentiles) | May 25, 2025 | -| **Airtable** | [Get Most Hydrated Team](https://www.fastprep.io/problems/airtable-get-mostp-hydrated-team) | [![Practice][p]](https://www.fastprep.io/problems/airtable-get-mostp-hydrated-team) | May 25, 2025 | -| **Airtable** | [Table Editing](https://www.fastprep.io/problems/airtable-percentiles) | [![Practice][p]](https://www.fastprep.io/problems/airtable-percentiles) | May 25, 2025 | -| **Dell** | [Optimizing Resource Allocation](https://www.fastprep.io/problems/dell-find-optimal-resources) | [![Practice][p]](https://www.fastprep.io/problems/dell-find-optimal-resources) | May 25, 2025 | -| **Dell** | [Count Binary Substrings](https://www.fastprep.io/problems/dell-get-substring-count) | [![Practice][p]](https://www.fastprep.io/problems/dell-get-substring-count) | May 25, 2025 | -| **Epify** | [Request Redirection](https://www.fastprep.io/problems/epifi-get-min-latency) | [![Practice][p]](https://www.fastprep.io/problems/epifi-get-min-latency) | May 25, 2025 | -| **Juspay** | [Converging Maze: Largest Sum Cycle](https://www.fastprep.io/problems/juspay-converging-maze-largest-sum-cycle) | [![Practice][p]](https://www.fastprep.io/problems/juspay-converging-maze-largest-sum-cycle) | May 25, 2025 | -| **Juspay** | [Converging Maze: Nearest meeting cell](https://www.fastprep.io/problems/juspay-nearest-meeting-cell) | [![Practice][p]](https://www.fastprep.io/problems/juspay-nearest-meeting-cell) | May 25, 2025 | -| **Amazon** | [Min Dock Bays](https://www.fastprep.io/problems/amazon-get-minimum-dock-bays) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-minimum-dock-bays) | Apr 27, 2025 | -| **Amazon** | [Find Idle Skill Query](https://www.fastprep.io/problems/amazon-find-idle-skills-query) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-idle-skills-query) | Apr 27, 2025 | -| **Amazon** | [Compute Beauty of Array Products](https://www.fastprep.io/problems/amazon-compute-beauty-of-array-products) | [![Practice][p]](https://www.fastprep.io/problems/amazon-compute-beauty-of-array-products) | Apr 27, 2025 | -| **Amazon** | [Min Num Unique Distribution Hubs](https://www.fastprep.io/problems/amazon-get-minimum-number-of-unique-distribution-centers) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-minimum-number-of-unique-distribution-centers) | Apr 13, 2025 | -| **Amazon** | [Use Minimum Tokens](https://www.fastprep.io/problems/amazon-use-minimum-tokens) | [![Practice][p]](https://www.fastprep.io/problems/amazon-use-minimum-tokens) | Apr 13, 2025 | -| **Amazon** | [Next Perfect String](https://www.fastprep.io/problems/amazon-next-greater-perfect-string) | [![Practice][p]](https://www.fastprep.io/problems/amazon-next-greater-perfect-string) | Apr 13, 2025 | -| **DTCC** | [Find Reciprocal](https://www.fastprep.io/problems/dtcc-find-reciprocal) | [![Practice][p]](https://www.fastprep.io/problems/dtcc-find-reciprocal) | Apr 13, 2025 | -| **Amazon** | [Remove Characters in Frequency Order](https://www.fastprep.io/problems/amazon-remove-characters-in-frequency-order) | [![Practice][p]](https://www.fastprep.io/problems/amazon-remove-characters-in-frequency-order) | Apr 10, 2025 | -| **Microsoft** | [Min Cars to Remove](https://www.fastprep.io/problems/microsoft-minimum-cars-to-remove) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-cars-to-remove) | Apr 10, 2025 | -| **Amazon** | [Optimal Utilization](https://www.fastprep.io/problems/amazon-optimal-utilization) | [![Practice][p]](https://www.fastprep.io/problems/amazon-optimal-utilization) | Apr 05, 2025 | -| **Amazon** | [Buy Servers](https://www.fastprep.io/problems/amazon-purchase-servers) | [![Practice][p]](https://www.fastprep.io/problems/amazon-purchase-servers) | Apr 05, 2025 | -| **Amazon** | [Min Retailers](https://www.fastprep.io/problems/amazon-minimum-retailers) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-retailers) | Mar 31, 2025 | -| **Amazon** | [Cinema Shows](https://www.fastprep.io/problems/amazon-cinema-shows) | [![Practice][p]](https://www.fastprep.io/problems/amazon-cinema-shows) | Mar 31, 2025 | -| **Amazon** | [Find Replacement](https://www.fastprep.io/problems/amazon-find-min-replacements) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-min-replacements) | Mar 29, 2025 | -| **IBM** | [Bitonic Subarray](https://www.fastprep.io/problems/ibm-find-length-of-longest-bitonic-subarray) | [![Practice][p]](https://www.fastprep.io/problems/ibm-find-length-of-longest-bitonic-subarray) | Mar 29, 2025 | -| **ZipRecruiter** | [Fantasy Card Duel](https://www.fastprep.io/problems/ziprecruiter-fantasy-card-duel) | [![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-fantasy-card-duel) | Mar 29, 2025 | -| **Amazon** | [Good String](https://www.fastprep.io/problems/amazon-convert-to-good-string) | [![Practice][p]](https://www.fastprep.io/problems/amazon-convert-to-good-string) | Mar 28, 2025 | -| **ZipRecruiter** | [Triplets With Unique Chars](https://www.fastprep.io/problems/ziprecruiter-triplets-with-unique-chars) | [![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-triplets-with-unique-chars) | Mar 28, 2025 | -| **HSBC** | [Flower Bouquets](https://www.fastprep.io/problems/hsbc-arrange-flower-sticks) | [![Practice][p]](https://www.fastprep.io/problems/hsbc-arrange-flower-sticks) | Mar 28, 2025 | -| **HSBC** | [Max House Area](https://www.fastprep.io/problems/hsbc-find-largest-house-area) | [![Practice][p]](https://www.fastprep.io/problems/hsbc-find-largest-house-area) | Mar 28, 2025 | -| **Yahoo** | [Count Substring](https://www.fastprep.io/problems/yahoo-get-substring-count) | [![Practice][p]](https://www.fastprep.io/problems/yahoo-get-substring-count) | Mar 28, 2025 | -| **Yahoo** | [Get String](https://www.fastprep.io/problems/yahoo-get-string) | [![Practice][p]](https://www.fastprep.io/problems/yahoo-get-string) | Mar 28, 2025 | -| **Amazon** | [Max Sum of Non-overlapping Intervals](https://www.fastprep.io/problems/amazon-max-sum-of-non-overlapping-intervals) | [![Practice][p]](https://www.fastprep.io/problems/amazon-max-sum-of-non-overlapping-intervals) | Mar 27, 2025 | -| **Amazon** | [Find Min Max Difference](https://www.fastprep.io/problems/amazon-find-min-max-difference) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-min-max-difference) | Mar 27, 2025 | -| **Amazon** | [Get Minimal Cost](https://www.fastprep.io/problems/amazon-get-minimal-cost) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-minimal-cost) | Mar 26, 2025 | -| **Microsoft** | [Freeing Shelves](https://www.fastprep.io/problems/microsoft-maximize-types-after-freeing-shelves) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximize-types-after-freeing-shelves) | Mar 25, 2025 | -| **Microsoft** | [Balance the Game Board](https://www.fastprep.io/problems/microsoft-balance-the-game-board) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-balance-the-game-board) | Mar 25, 2025 | -| **Amazon** | [Make Array Distinct](https://www.fastprep.io/problems/amazon-make-array-distinct) | [![Practice][p]](https://www.fastprep.io/problems/amazon-make-array-distinct) | Mar 24, 2025 | -| **Amazon** | [Find Least Possible Vulnerability](https://www.fastprep.io/problems/amazon-find-least-possible-vulnerability) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-least-possible-vulnerability) | Mar 24, 2025 | -| **Tesla** | [Shoe Factory](https://www.fastprep.io/problems/tesla-shoe-factory) | [![Practice][p]](https://www.fastprep.io/problems/tesla-shoe-factory) | Mar 24, 2025 | -| **Tesla** | [Encrypt](https://www.fastprep.io/problems/tesla-encrypt) | [![Practice][p]](https://www.fastprep.io/problems/tesla-encrypt) | Mar 24, 2025 | -| **Fortinet** | [Beautiful Strings](https://www.fastprep.io/problems/fortinet-maximize-beautiful-substrings) | [![Practice][p]](https://www.fastprep.io/problems/fortinet-maximize-beautiful-substrings) | Mar 24, 2025 | -| **Amazon** | [Number Of Well Performing Groups](https://www.fastprep.io/problems/amazon-number-of-well-performing-groups) | [![Practice][p]](https://www.fastprep.io/problems/amazon-number-of-well-performing-groups) | Mar 23, 2025 | -| **Amazon** | [Ensure Non Zero Load Sum](https://www.fastprep.io/problems/amazon-ensure-non-zero-load-sum) | [![Practice][p]](https://www.fastprep.io/problems/amazon-ensure-non-zero-load-sum) | Mar 23, 2025 | -| **TikTok** | [Min Adjustment](https://www.fastprep.io/problems/tiktok-get-min-adjustments) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-get-min-adjustments) | Mar 23, 2025 | -| **TikTok** | [Shopping Cost](https://www.fastprep.io/problems/tiktok-calculate-tiktok-shopping-cost) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-calculate-tiktok-shopping-cost) | Mar 23, 2025 | -| **Instacart** | [Bird Collects Sticks](https://www.fastprep.io/problems/instacart-collect-sticks) | [![Practice][p]](https://www.fastprep.io/problems/instacart-collect-sticks) | Mar 23, 2025 | -| **Instacart** | [Pop Bubbles](https://www.fastprep.io/problems/instacart-pop-bubbles) | [![Practice][p]](https://www.fastprep.io/problems/instacart-pop-bubbles) | Mar 23, 2025 | -| **Instacart** | [Count Color Pairs](https://www.fastprep.io/problems/instacart-balloon-color-pairs) | [![Practice][p]](https://www.fastprep.io/problems/instacart-balloon-color-pairs) | Mar 23, 2025 | -| **Amazon** | [Get Max Increments](https://www.fastprep.io/problems/amazon-get-max-increments) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-increments) | Mar 22, 2025 | -| **Amazon** | [Password Strength](https://www.fastprep.io/problems/amazon-password-strength) | [![Practice][p]](https://www.fastprep.io/problems/amazon-password-strength) | Mar 22, 2025 | -| **Publicis Sapients** | [Get Min Time](https://www.fastprep.io/problems/publicis-sapients-get-minimum-time) | [![Practice][p]](https://www.fastprep.io/problems/publicis-sapients-get-minimum-time) | Mar 22, 2025 | -| **Pure Storage** | [Bakery Quality Control](https://www.fastprep.io/problems/purestorage-compare-boxes-to-template) | [![Practice][p]](https://www.fastprep.io/problems/purestorage-compare-boxes-to-template) | Mar 22, 2025 | -| **Pure Storage** | [Find Repetition](https://www.fastprep.io/problems/purestorage-find-repetitions) | [![Practice][p]](https://www.fastprep.io/problems/purestorage-find-repetitions) | Mar 22, 2025 | -| **Pure Storage** | [Count Different Palindrome Substrings](https://www.fastprep.io/problems/purestorage-count-different-palindrome-substrings) | [![Practice][p]](https://www.fastprep.io/problems/purestorage-count-different-palindrome-substrings) | Mar 22, 2025 | -| **Pure Storage** | [Racing Results](https://www.fastprep.io/problems/purestorage-racing-results) | [![Practice][p]](https://www.fastprep.io/problems/purestorage-racing-results) | Mar 22, 2025 | -| **Ramp** | [Accept or Decline Queries](https://www.fastprep.io/problems/ramp-accept-or-decline-queries) | [![Practice][p]](https://www.fastprep.io/problems/ramp-accept-or-decline-queries) | Mar 22, 2025 | -| **Amazon** | [Trader Joe Trades](https://www.fastprep.io/problems/amazon-trader-joe-trades) | [![Practice][p]](https://www.fastprep.io/problems/amazon-trader-joe-trades) | Mar 21, 2025 | -| **Amazon** | [Optimal Level](https://www.fastprep.io/problems/amazon-find-optimal-level) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-optimal-level) | Mar 21, 2025 | -| **Amazon** | [Min Operation](https://www.fastprep.io/problems/amazon-min-operation) | [![Practice][p]](https://www.fastprep.io/problems/amazon-min-operation) | Mar 21, 2025 | -| **Amazon** | [All About Rewards](https://www.fastprep.io/problems/amazon-all-about-rewards) | [![Practice][p]](https://www.fastprep.io/problems/amazon-all-about-rewards) | Mar 20, 2025 | -| **Amazon** | [Inventory Processes Survival Possibility](https://www.fastprep.io/problems/amazon-inventory-processes-survival-possibility) | [![Practice][p]](https://www.fastprep.io/problems/amazon-inventory-processes-survival-possibility) | Mar 18, 2025 | -| **Amazon** | [All About Medians](https://www.fastprep.io/problems/amazon-medians) | [![Practice][p]](https://www.fastprep.io/problems/amazon-medians) | Mar 18, 2025 | -| **Amazon** | [Get Largest Number](https://www.fastprep.io/problems/amazon-find-partition-cost) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-partition-cost) | Mar 13, 2025 | -| **SpaceX** | [Speed to Pressure Lookup](https://www.fastprep.io/problems/spacex-speed-to-pressure-lookup) | [![Practice][p]](https://www.fastprep.io/problems/spacex-speed-to-pressure-lookup) | Mar 13, 2025 | -| **Amazon** | [Get The Most Out Of The Data](https://www.fastprep.io/problems/amazon-get-most-out-of-the-data) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-most-out-of-the-data) | Feb 10, 2025 | -| **TikTok** | [Playlist Partitioning](https://www.fastprep.io/problems/tiktok-playlist-partitioning) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-playlist-partitioning) | Feb 09, 2025 | -| **TikTok** | [Change Username](https://www.fastprep.io/problems/tiktok-changing-username) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-changing-username) | Feb 09, 2025 | -| **Microsoft** | [Maximize Number Of Produced Cars](https://www.fastprep.io/problems/microsoft-maximize-number-of-produced-cars) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximize-number-of-produced-cars) | Feb 08, 2025 | -| **Microsoft** | [Minimize Tokens Remaining](https://www.fastprep.io/problems/microsoft-minimum-tokens-remaining) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-tokens-remaining) | Feb 08, 2025 | -| **Amazon** | [Max Number of Products You can Pick](https://www.fastprep.io/problems/amazon-maximum-number-of-products-you-can-pick) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-number-of-products-you-can-pick) | Feb 05, 2025 | -| **Amazon** | [Maximize Sum of Array Multiplication](https://www.fastprep.io/problems/amazon-maximize-sum-of-array-multiplication) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-sum-of-array-multiplication) | Feb 05, 2025 | -| **Amazon** | [Sum of Max Subarrys](https://www.fastprep.io/problems/amazon-sum-of-max-subarrays) | [![Practice][p]](https://www.fastprep.io/problems/amazon-sum-of-max-subarrays) | Feb 02, 2025 | -| **Amazon** | [Get Maximum](https://www.fastprep.io/problems/amazon-get-maximum) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-maximum) | Feb 02, 2025 | -| **Amazon** | [Get Min Score](https://www.fastprep.io/problems/1.amazon-get-min-score1) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-min-score1) | Jan 25, 2025 | -| **Amazon** | [Equal Products](https://www.fastprep.io/problems/1.amazon-equal-products) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-equal-products) | Jan 20, 2025 | -| **Amazon** | [Find Sum of System Volnerability](https://www.fastprep.io/problems/amazon-find-sum-of-system-vulnerability) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-sum-of-system-vulnerability) | Jan 10, 2025 | -| **Amazon** | [Maximize Product of Sizes of Subtrees](https://www.fastprep.io/problems/amazon-maximize-product-of-sizes-of-subtrees) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-product-of-sizes-of-subtrees) | Jan 09, 2025 | -| **Amazon** | [Min Energy Cost](https://www.fastprep.io/problems/amazon-minimum-energy-cost) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-energy-cost) | Jan 09, 2025 | -| **Amazon** | [Calculate Max Salary](https://www.fastprep.io/problems/amazon-calculate-max-salary) | [![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-max-salary) | Jan 09, 2025 | -| **Amazon** | [Optimal Interval Difference](https://www.fastprep.io/problems/amazon-optimal-interval-difference) | [![Practice][p]](https://www.fastprep.io/problems/amazon-optimal-interval-difference) | Jan 08, 2025 | -| **Amazon** | [Get Largest Index Len](https://www.fastprep.io/problems/1.amazon-get-largest-index-len) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-largest-index-len) | Jan 08, 2025 | -| **Amazon** | [Find Max Value](https://www.fastprep.io/problems/amazon-find-max-value) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-max-value) | Jan 05, 2025 | -| **Amazon** | [Get Max Events](https://www.fastprep.io/problems/amazon-get-maximum-events) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-maximum-events) | Jan 05, 2025 | -| **TikTok** | [TikTok Spam Filter](https://www.fastprep.io/problems/tiktok-get-spam-comments) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-get-spam-comments) | Jan 04, 2025 | -| **TikTok** | [Count Twin Pairs](https://www.fastprep.io/problems/tiktok-count-twin-pairs) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-count-twin-pairs) | Jan 04, 2025 | -| **Google** | [Number of Distinct Islands](https://www.fastprep.io/problems/google-number-of-distinct-islands) | [![Practice][p]](https://www.fastprep.io/problems/google-number-of-distinct-islands) | Dec 31, 2024 | -| **Snowflake** | [Remove Stones to Minimize the Total](https://www.fastprep.io/problems/snowflake-remove-stones-to-minimize-the-total) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-remove-stones-to-minimize-the-total) | Dec 28, 2024 | -| **Snowflake** | [Find the Max Len of A Good Subsequence I](https://www.fastprep.io/problems/snowflake-find-the-maximum-length-of-a-good-subsequence-i) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-find-the-maximum-length-of-a-good-subsequence-i) | Dec 28, 2024 | -| **Microsoft** | [Sum with Tiles](https://www.fastprep.io/problems/microsoft-sum-with-tiles) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-sum-with-tiles) | Dec 24, 2024 | -| **Microsoft** | [Maximize Sum of Two Non Overlapping Fragments](https://www.fastprep.io/problems/microsoft-maximize-sum-of-two-non-overlapping-fragments) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximize-sum-of-two-non-overlapping-fragments) | Dec 24, 2024 | -| **Amazon** | [Similar Text Substring Count](https://www.fastprep.io/problems/1.amazon-similar-text-substring-count) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-similar-text-substring-count) | Dec 23, 2024 | -| **Capital One** | [Sum Digits Until One](https://www.fastprep.io/problems/capitalone-sum-digits-until-one) | [![Practice][p]](https://www.fastprep.io/problems/capitalone-sum-digits-until-one) | Dec 23, 2024 | -| **IBM** | [Min Cost](https://www.fastprep.io/problems/ibm-get-minimum-cost) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-minimum-cost) | Dec 23, 2024 | -| **IBM** | [Min Difference](https://www.fastprep.io/problems/ibm-minimum-difference) | [![Practice][p]](https://www.fastprep.io/problems/ibm-minimum-difference) | Dec 23, 2024 | -| **IBM** | [Max Profit](https://www.fastprep.io/problems/ibm-max-profit) | [![Practice][p]](https://www.fastprep.io/problems/ibm-max-profit) | Dec 23, 2024 | -| **Amazon** | [Max Transfer Rate](https://www.fastprep.io/problems/amazon-max-transfer-rate) | [![Practice][p]](https://www.fastprep.io/problems/amazon-max-transfer-rate) | Dec 22, 2024 | -| **Amazon** | [Get Final Location](https://www.fastprep.io/problems/amazon-get-final-locations) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-final-locations) | Dec 22, 2024 | -| **Amazon** | [Get Number of Redundancy Free](https://www.fastprep.io/problems/1.amazon-get-number-redundancy-free) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-number-redundancy-free) | Dec 22, 2024 | -| **Amazon** | [Get Stable Periods Count](https://www.fastprep.io/problems/amazon-get-stable-periods-count) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-stable-periods-count) | Dec 22, 2024 | -| **Amazon** | [Maximize Total Memory Points](https://www.fastprep.io/problems/1.amazon-maximize-total-memory-points) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-maximize-total-memory-points) | Dec 22, 2024 | -| **Amazon** | [Get Min Removals](https://www.fastprep.io/problems/1.amazon-get-min-removals) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-min-removals) | Dec 22, 2024 | -| **Amazon** | [Get Relative Ratings](https://www.fastprep.io/problems/1.amazon-get-relative-ratings) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-relative-ratings) | Dec 22, 2024 | -| **Amazon** | [Calculate Max Profit](https://www.fastprep.io/problems/amazon-calculate-max-profit) | [![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-max-profit) | Dec 22, 2024 | -| **Google** | [Max Break Time](https://www.fastprep.io/problems/google-reschedule-k-meetings-to-find-maximum-break-time) | [![Practice][p]](https://www.fastprep.io/problems/google-reschedule-k-meetings-to-find-maximum-break-time) | Dec 22, 2024 | -| **Microsoft** | [Three Partition Array](https://www.fastprep.io/problems/microsoft-three-partition-array) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-three-partition-array) | Dec 22, 2024 | -| **Amazon** | [Min Operations](https://www.fastprep.io/problems/amazon-make-array-zero-by-subtracting-equal-amounts) | [![Practice][p]](https://www.fastprep.io/problems/amazon-make-array-zero-by-subtracting-equal-amounts) | Dec 20, 2024 | -| **Amazon** | [Get Max Stability](https://www.fastprep.io/problems/amazon-minimum-swaps-to-make-palindrome) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-swaps-to-make-palindrome) | Dec 20, 2024 | -| **Amazon** | [Get Max Stability](https://www.fastprep.io/problems/amazon-get-max-stability) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-stability) | Dec 20, 2024 | -| **Google** | [Set Total Palindrome Tranformation Cost](https://www.fastprep.io/problems/google-set-total-palindrome-transformation-cost) | [![Practice][p]](https://www.fastprep.io/problems/google-set-total-palindrome-transformation-cost) | Dec 20, 2024 | -| **Trend Micro** | [Change Segment Colors](https://www.fastprep.io/problems/trendmicro-change-segment-colors) | [![Practice][p]](https://www.fastprep.io/problems/trendmicro-change-segment-colors) | Dec 20, 2024 | -| **Google** | [Find Optimal Input](https://www.fastprep.io/problems/google-find-optimal-input) | [![Practice][p]](https://www.fastprep.io/problems/google-find-optimal-input) | Dec 18, 2024 | -| **Google** | [Calculate Min Satellites Required](https://www.fastprep.io/problems/google-calculate-minimum-satellites-required) | [![Practice][p]](https://www.fastprep.io/problems/google-calculate-minimum-satellites-required) | Dec 18, 2024 | -| **Amazon** | [Find Length of Longest Self-Sufficient Proper Substring](https://www.fastprep.io/problems/1.amazon-find-length-of-longest-self-sufficient-proper-substring) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-length-of-longest-self-sufficient-proper-substring) | Dec 16, 2024 | -| **Uber** | [Regional Maximum Finder](https://www.fastprep.io/problems/uber-regional-maximum-finder) | [![Practice][p]](https://www.fastprep.io/problems/uber-regional-maximum-finder) | Dec 16, 2024 | -| **Uber** | [Command Frequency Counter](https://www.fastprep.io/problems/uber-command-frequency-counter) | [![Practice][p]](https://www.fastprep.io/problems/uber-command-frequency-counter) | Dec 16, 2024 | -| **Uber** | [Valid String Check](https://www.fastprep.io/problems/uber-valid-string-check) | [![Practice][p]](https://www.fastprep.io/problems/uber-valid-string-check) | Dec 16, 2024 | -| **Microsoft** | [Min Replacements Required to Make a Matrix Balanced](https://www.fastprep.io/problems/microsoft-minimum-replacements-required-to-make-a-matrix-balanced) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-replacements-required-to-make-a-matrix-balanced) | Dec 16, 2024 | -| **Microsoft** | [Max Sum With Same First And Last Digit](https://www.fastprep.io/problems/microsoft-find-max-sum-with-same-first-and-last-digit) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-find-max-sum-with-same-first-and-last-digit) | Dec 16, 2024 | -| **GitHub** | [Bridge Car Weight](https://www.fastprep.io/problems/github-brdige-car-weight) | [![Practice][p]](https://www.fastprep.io/problems/github-brdige-car-weight) | Dec 16, 2024 | -| **Amazon** | [Find the longest possible regular expression](https://www.fastprep.io/problems/1.amazon-find-longest-regex) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-longest-regex) | Dec 12, 2024 | -| **Amazon** | [Get Min Value](https://www.fastprep.io/problems/amazon-get-minimum-value) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-minimum-value) | Dec 11, 2024 | -| **Amazon** | [Get Max Skill Sum](https://www.fastprep.io/problems/amazon-get-max-skill-sum) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-skill-sum) | Dec 11, 2024 | -| **Amazon** | [Count Distinct Categories](https://www.fastprep.io/problems/1.amazon-count-distinct-categories) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-count-distinct-categories) | Dec 11, 2024 | -| **Amazon** | [Find Number](https://www.fastprep.io/problems/amazon-find-number) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-number) | Dec 10, 2024 | -| **Amazon** | [Get Min Removal](https://www.fastprep.io/problems/amazon-get-min-removal) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-removal) | Dec 10, 2024 | -| **JP Morgan** | [Find Total Cost](https://www.fastprep.io/problems/jpmorgan-find-total-cost) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-find-total-cost) | Dec 10, 2024 | -| **Microsoft** | [Max Num Of Prduced Car](https://www.fastprep.io/problems/microsoft-max-num-of-produced-cars) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-max-num-of-produced-cars) | Dec 10, 2024 | -| **Amazon** | [Find Lexicographically Smallest String](https://www.fastprep.io/problems/amazon-find-lexicographically-smallest-string) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-lexicographically-smallest-string) | Dec 08, 2024 | -| **Amazon** | [Find Password Strength](https://www.fastprep.io/problems/amazon-find-password-strength) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-password-strength) | Dec 08, 2024 | -| **Amazon** | [Get Max Sum Arr](https://www.fastprep.io/problems/1.amazon-get-max-sum-arr) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-max-sum-arr) | Dec 08, 2024 | -| **Amazon** | [Perform Queries](https://www.fastprep.io/problems/amazon-perform-queries) | [![Practice][p]](https://www.fastprep.io/problems/amazon-perform-queries) | Dec 08, 2024 | -| **Quora** | [Count Powers Of K](https://www.fastprep.io/problems/quora-count-powers-of-k) | [![Practice][p]](https://www.fastprep.io/problems/quora-count-powers-of-k) | Dec 06, 2024 | -| **Quora** | [Determine the Elimination Order](https://www.fastprep.io/problems/quora-determine-the-elimination-order) | [![Practice][p]](https://www.fastprep.io/problems/quora-determine-the-elimination-order) | Dec 06, 2024 | -| **Wells Fargo** | [Get Min Length](https://www.fastprep.io/problems/wellsfargo-get-min-length) | [![Practice][p]](https://www.fastprep.io/problems/wellsfargo-get-min-length) | Dec 06, 2024 | -| **Amazon** | [Data Dependence Sum](https://www.fastprep.io/problems/amazon-get-data-dependence-sum) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-data-dependence-sum) | Dec 03, 2024 | -| **Amazon** | [Longest Matching Regex](https://www.fastprep.io/problems/1.amazon-get-longest-match) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-longest-match) | Dec 03, 2024 | -| **Amazon** | [Min Connection Cost](https://www.fastprep.io/problems/1.amazon-get-min-connection-cost) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-min-connection-cost) | Dec 03, 2024 | -| **Amazon** | [Min Operations](https://www.fastprep.io/problems/amazon-get-min-operations2) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-operations2) | Dec 03, 2024 | -| **Amazon** | [Min Cost](https://www.fastprep.io/problems/1.amazon-min-cost) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-min-cost) | Dec 03, 2024 | -| **TikTok** | [Interesting Watch Sequence](https://www.fastprep.io/problems/tiktok-interesting-watch-sequence) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-interesting-watch-sequence) | Dec 03, 2024 | -| **IBM** | [Get Final String](https://www.fastprep.io/problems/ibm-get-final-string) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-final-string) | Dec 03, 2024 | -| **Amazon** | [Sum of All Days Numbers on Which the Data of the Xth Will Be Dependent](https://www.fastprep.io/problems/amazon-sum-of-all-days-numbers-on-which-the-data-of-the-xth-will-be-dependent) | [![Practice][p]](https://www.fastprep.io/problems/amazon-sum-of-all-days-numbers-on-which-the-data-of-the-xth-will-be-dependent) | Nov 27, 2024 | -| **Amazon** | [Optimize Identifiers](https://www.fastprep.io/problems/amazon-optimize-identifiers) | [![Practice][p]](https://www.fastprep.io/problems/amazon-optimize-identifiers) | Nov 25, 2024 | -| **Stripe** | [Card Range Obfuscation Part 4](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part4) | [![Practice][p]](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part4) | Nov 25, 2024 | -| **Stripe** | [Card Range Obfuscation Part 3](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part3) | [![Practice][p]](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part3) | Nov 25, 2024 | -| **Stripe** | [Card Range Obfuscation Part 2](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part2) | [![Practice][p]](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part2) | Nov 25, 2024 | -| **Stripe** | [Card Range Obfuscation Part 1](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part1) | [![Practice][p]](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part1) | Nov 25, 2024 | -| **Amazon** | [Min Insertions](https://www.fastprep.io/problems/amazon-minimum-insertions) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-insertions) | Nov 24, 2024 | -| **Amazon** | [Find Encrypted Number](https://www.fastprep.io/problems/1.amazon-find-encrypted-number) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-encrypted-number) | Nov 24, 2024 | -| **Amazon** | [Find Obfuscate Message](https://www.fastprep.io/problems/1.amazon-find-obfuscate-message) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-obfuscate-message) | Nov 24, 2024 | -| **TikTok** | [Create Maximum Collaborations](https://www.fastprep.io/problems/tiktok-create-maximum-collaborations) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-create-maximum-collaborations) | Nov 24, 2024 | -| **TikTok** | [Maximize Processing Power](https://www.fastprep.io/problems/tiktok-maximize-processing-power) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-maximize-processing-power) | Nov 24, 2024 | -| **IBM** | [Get Query Answers](https://www.fastprep.io/problems/ibm-get-query-answers) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-query-answers) | Nov 24, 2024 | -| **IBM** | [Card Packs](https://www.fastprep.io/problems/ibm-card-packets) | [![Practice][p]](https://www.fastprep.io/problems/ibm-card-packets) | Nov 24, 2024 | -| **Amazon** | [Min Chars to Append](https://www.fastprep.io/problems/amazon-determine-minimum-characters-to-append) | [![Practice][p]](https://www.fastprep.io/problems/amazon-determine-minimum-characters-to-append) | Nov 23, 2024 | -| **Cisco** | [Find Max Difference](https://www.fastprep.io/problems/cisco-find-maximum-difference) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-maximum-difference) | Nov 21, 2024 | -| **Amazon** | [Reduce Memory Usage](https://www.fastprep.io/problems/amazon-reduce-memory-usage) | [![Practice][p]](https://www.fastprep.io/problems/amazon-reduce-memory-usage) | Nov 20, 2024 | -| **Salesforce** | [Minimize Total Input Cost](https://www.fastprep.io/problems/salesforce-minimize-total-input-cost) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-minimize-total-input-cost) | Nov 20, 2024 | -| **Google** | [Get Meeting Intervals](https://www.fastprep.io/problems/google-get-meeting-intervals) | [![Practice][p]](https://www.fastprep.io/problems/google-get-meeting-intervals) | Nov 20, 2024 | -| **Amazon** | [Get Min Change](https://www.fastprep.io/problems/amazon-get-minimum-changes) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-minimum-changes) | Nov 18, 2024 | -| **Amazon** | [Calculate Truck Distance](https://www.fastprep.io/problems/amazon-calculate-truck-distance) | [![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-truck-distance) | Nov 18, 2024 | -| **Amazon** | [Find Smallest Appealing](https://www.fastprep.io/problems/2.amazon-find-smallest-appealing) | [![Practice][p]](https://www.fastprep.io/problems/2.amazon-find-smallest-appealing) | Nov 18, 2024 | -| **Rubrik** | [Get Min Operations](https://www.fastprep.io/problems/rubrik-get-min-operations) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-get-min-operations) | Nov 18, 2024 | -| **Rubrik** | [Get Triplet Count](https://www.fastprep.io/problems/rubrik-get-triplet-count) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-get-triplet-count) | Nov 18, 2024 | -| **Rubrik** | [Find Pod Count](https://www.fastprep.io/problems/rubrik-find-pod-count) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-find-pod-count) | Nov 18, 2024 | -| **Amazon** | [Find Ideal Days](https://www.fastprep.io/problems/amazon-find-ideal-days) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-ideal-days) | Nov 17, 2024 | -| **Amazon** | [Sum of Distinct Categories](https://www.fastprep.io/problems/1.amazon-sum-of-distinct-categories) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-sum-of-distinct-categories) | Nov 17, 2024 | -| **TikTok** | [Calculate Max Processing Throughput](https://www.fastprep.io/problems/tiktok-calculate-max-processing-throughput) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-calculate-max-processing-throughput) | Nov 17, 2024 | -| **TikTok** | [Get Total Impact](https://www.fastprep.io/problems/tiktok-get-total-impact) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-get-total-impact) | Nov 17, 2024 | -| **TikTok** | [Max Profits](https://www.fastprep.io/problems/tiktok-max-profit) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-max-profit) | Nov 17, 2024 | -| **Paypal** | [Find Min Price](https://www.fastprep.io/problems/paypal-find-minimum-price) | [![Practice][p]](https://www.fastprep.io/problems/paypal-find-minimum-price) | Nov 17, 2024 | -| **Amazon** | [Get Min Moves](https://www.fastprep.io/problems/amazon-get-min-moves) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-moves) | Nov 14, 2024 | -| **Amazon** | [Minimize Effort](https://www.fastprep.io/problems/amazon-minimize-effort) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimize-effort) | Nov 14, 2024 | -| **Amazon** | [Get Max Discount Pairs](https://www.fastprep.io/problems/amazon-get-max-discount-pairs) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-discount-pairs) | Nov 13, 2024 | -| **Google** | [Get Components in Forest](https://www.fastprep.io/problems/google-get-components-in-forest) | [![Practice][p]](https://www.fastprep.io/problems/google-get-components-in-forest) | Nov 13, 2024 | -| **Google** | [Find Max Frequency](https://www.fastprep.io/problems/google-find-maximum-frequency-of-number) | [![Practice][p]](https://www.fastprep.io/problems/google-find-maximum-frequency-of-number) | Nov 13, 2024 | -| **Microsoft** | [Reverse An Integer](https://www.fastprep.io/problems/microsoft-reverse-an-integer) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-reverse-an-integer) | Nov 13, 2024 | -| **Amazon** | [Rooks Left](https://www.fastprep.io/problems/amazon-rooks-left) | [![Practice][p]](https://www.fastprep.io/problems/amazon-rooks-left) | Nov 12, 2024 | -| **Google** | [Longest Non-Decreasing Subarray](https://www.fastprep.io/problems/google-find-maximum-length-of-non-decreasing-subarray-follow-up) | [![Practice][p]](https://www.fastprep.io/problems/google-find-maximum-length-of-non-decreasing-subarray-follow-up) | Nov 12, 2024 | -| **Google** | [Find Maximum Length Of Non-Decreasing Subarray](https://www.fastprep.io/problems/google-find-maximum-length-of-non-decreasing-subarray) | [![Practice][p]](https://www.fastprep.io/problems/google-find-maximum-length-of-non-decreasing-subarray) | Nov 12, 2024 | -| **Amazon** | [Optimize Identifiers](https://www.fastprep.io/problems/amazon-optimized-identifiers) | [![Practice][p]](https://www.fastprep.io/problems/amazon-optimized-identifiers) | Nov 09, 2024 | -| **Google** | [Transform String](https://www.fastprep.io/problems/google-transform-string) | [![Practice][p]](https://www.fastprep.io/problems/google-transform-string) | Nov 09, 2024 | -| **Google** | [Build Maximum Integer](https://www.fastprep.io/problems/google-build-maximum-integer-from-subarray) | [![Practice][p]](https://www.fastprep.io/problems/google-build-maximum-integer-from-subarray) | Nov 09, 2024 | -| **Amazon** | [Is Special Sequence](https://www.fastprep.io/problems/1.amazon-is-special-sequence) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-is-special-sequence) | Nov 05, 2024 | -| **Google** | [Maximize Points](https://www.fastprep.io/problems/google-maximize-points) | [![Practice][p]](https://www.fastprep.io/problems/google-maximize-points) | Nov 05, 2024 | -| **Google** | [Find Contiguous Subarray With Largest Min Plux Max](https://www.fastprep.io/problems/google-find-contiguous-subarray-with-largest-min-plus-max) | [![Practice][p]](https://www.fastprep.io/problems/google-find-contiguous-subarray-with-largest-min-plus-max) | Nov 05, 2024 | -| **Amazon** | [Find Min Variance](https://www.fastprep.io/problems/amazon-find-minimum-possible-variance) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-possible-variance) | Oct 30, 2024 | -| **Amazon** | [Find Min Time Required](https://www.fastprep.io/problems/amazon-find-minimum-time-required) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-time-required) | Oct 30, 2024 | -| **Amazon** | [Cleanup Dataset](https://www.fastprep.io/problems/amazon-cleanup-dataset) | [![Practice][p]](https://www.fastprep.io/problems/amazon-cleanup-dataset) | Oct 30, 2024 | -| **Salesforce** | [Max Sum of Processed Time](https://www.fastprep.io/problems/salesforce-maximize-sum-of-processed-times) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-maximize-sum-of-processed-times) | Oct 30, 2024 | -| **Google** | [Min Absolute Sum](https://www.fastprep.io/problems/google-min-absolute-sum) | [![Practice][p]](https://www.fastprep.io/problems/google-min-absolute-sum) | Oct 30, 2024 | -| **Google** | [Num of Ways to Split Array](https://www.fastprep.io/problems/google-find-number-of-ways-to-split-array) | [![Practice][p]](https://www.fastprep.io/problems/google-find-number-of-ways-to-split-array) | Oct 30, 2024 | -| **DoorDash** | [Team Formation](https://www.fastprep.io/problems/doordash-team-formation) | [![Practice][p]](https://www.fastprep.io/problems/doordash-team-formation) | Oct 30, 2024 | -| **DoorDash** | [Get Final Price](https://www.fastprep.io/problems/doordash-get-final-price) | [![Practice][p]](https://www.fastprep.io/problems/doordash-get-final-price) | Oct 30, 2024 | -| **IBM** | [Count Teams](https://www.fastprep.io/problems/ibm-count-teams) | [![Practice][p]](https://www.fastprep.io/problems/ibm-count-teams) | Oct 30, 2024 | -| **Amazon** | [Calculate Warehouse Efficiency](https://www.fastprep.io/problems/amazon-calculate-warehouse-efficiency) | [![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-warehouse-efficiency) | Oct 28, 2024 | -| **Amazon** | [Make All Elements Distinct](https://www.fastprep.io/problems/amazon-make-all-elements-distinct) | [![Practice][p]](https://www.fastprep.io/problems/amazon-make-all-elements-distinct) | Oct 28, 2024 | -| **Amazon** | [Maximize Similarity](https://www.fastprep.io/problems/amazon-maximize-similarity) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-similarity) | Oct 28, 2024 | -| **Amazon** | [Find Networking Calls](https://www.fastprep.io/problems/amazon-find-network-calls) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-network-calls) | Oct 28, 2024 | -| **Amazon** | [Get Smaller Items](https://www.fastprep.io/problems/amazon-get-smaller-items) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-smaller-items) | Oct 22, 2024 | -| **Amazon** | [About Mortgage](https://www.fastprep.io/problems/amazon-maximum-number-of-days-to-survive) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-number-of-days-to-survive) | Oct 22, 2024 | -| **Amazon** | [Get Min Cost of Purchasing Books](https://www.fastprep.io/problems/amazon-get-min-cost-book) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-cost-book) | Oct 22, 2024 | -| **Amazon** | [Schedule Tasks](https://www.fastprep.io/problems/amazon-schedule-tasks) | [![Practice][p]](https://www.fastprep.io/problems/amazon-schedule-tasks) | Oct 22, 2024 | -| **Walmart** | [Candy Bars](https://www.fastprep.io/problems/walmart-minimum-moves-to-equal-candy-bars) | [![Practice][p]](https://www.fastprep.io/problems/walmart-minimum-moves-to-equal-candy-bars) | Oct 22, 2024 | -| **Cisco** | [Water Jug](https://www.fastprep.io/problems/cisco-water-jug-problem) | [![Practice][p]](https://www.fastprep.io/problems/cisco-water-jug-problem) | Oct 22, 2024 | -| **Paypal** | [Find Min Price to Spend](https://www.fastprep.io/problems/paypal-find-minimum-price-to-spend) | [![Practice][p]](https://www.fastprep.io/problems/paypal-find-minimum-price-to-spend) | Oct 22, 2024 | -| **TikTok** | [Count Balanced Clilps](https://www.fastprep.io/problems/tiktok-count-balanced-clips) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-count-balanced-clips) | Oct 21, 2024 | -| **Patreon** | [Sum of Subarray Regions](https://www.fastprep.io/problems/patreon-sum-of-subarray-regions) | [![Practice][p]](https://www.fastprep.io/problems/patreon-sum-of-subarray-regions) | Oct 21, 2024 | -| **Amazon** | [Planning the Campaign](https://www.fastprep.io/problems/amazon-minimum-weekly-input) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-weekly-input) | Oct 20, 2024 | -| **TikTok** | [Server Network Optimizations](https://www.fastprep.io/problems/tiktok-server-network-optimization) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-server-network-optimization) | Oct 20, 2024 | -| **Amazon** | [Get Max Programs](https://www.fastprep.io/problems/amazon-get-max-programs) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-programs) | Oct 19, 2024 | -| **Amazon** | [Find Minimum Time](https://www.fastprep.io/problems/amazon-find-minimum-time) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-time) | Oct 19, 2024 | -| **Amazon** | [Get Max Charge](https://www.fastprep.io/problems/amazon-get-max-charge) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-charge) | Oct 11, 2024 | -| **Amazon** | [Min Time to Create Beautiful Canvas](https://www.fastprep.io/problems/amazon-find-minimum-time-to-create-beautiful-canvas) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-time-to-create-beautiful-canvas) | Oct 11, 2024 | -| **Amazon** | [Rearrange Binary String](https://www.fastprep.io/problems/amazon-rearrange-binary-string) | [![Practice][p]](https://www.fastprep.io/problems/amazon-rearrange-binary-string) | Oct 11, 2024 | -| **Amazon** | [Sort Permutation](https://www.fastprep.io/problems/amazon-can-sort-permutation-in-given-moves) | [![Practice][p]](https://www.fastprep.io/problems/amazon-can-sort-permutation-in-given-moves) | Oct 11, 2024 | -| **Wells Fargo** | [Allocate Wells](https://www.fastprep.io/problems/wellsfargo-fair-distribution) | [![Practice][p]](https://www.fastprep.io/problems/wellsfargo-fair-distribution) | Oct 09, 2024 | -| **Wells Fargo** | [Find Affected Systems](https://www.fastprep.io/problems/wellsfargo-shot-on-mi-a3-ai-triple-camera) | [![Practice][p]](https://www.fastprep.io/problems/wellsfargo-shot-on-mi-a3-ai-triple-camera) | Oct 09, 2024 | -| **Wells Fargo** | [Max Distance](https://www.fastprep.io/problems/wellsfargo-find-maximum-distance) | [![Practice][p]](https://www.fastprep.io/problems/wellsfargo-find-maximum-distance) | Oct 09, 2024 | -| **Wells Fargo** | [Count Operations](https://www.fastprep.io/problems/wellsfargo-count-operations) | [![Practice][p]](https://www.fastprep.io/problems/wellsfargo-count-operations) | Oct 09, 2024 | -| **Wells Fargo** | [Get Substring](https://www.fastprep.io/problems/wellsfargo-get-substring) | [![Practice][p]](https://www.fastprep.io/problems/wellsfargo-get-substring) | Oct 09, 2024 | -| **Wells Fargo** | [Sum of Compressed Num for All Subarrays](https://www.fastprep.io/problems/wellsfargo-sum-of-compressed-number-for-all-subarrays) | [![Practice][p]](https://www.fastprep.io/problems/wellsfargo-sum-of-compressed-number-for-all-subarrays) | Oct 09, 2024 | -| **Amazon** | [Get Longest Substrings](https://www.fastprep.io/problems/1.amazon-get-longest-substring) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-longest-substring) | Oct 08, 2024 | -| **Amazon** | [Get Max Alternating Music](https://www.fastprep.io/problems/amazon-get-max-alternating-music) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-alternating-music) | Oct 08, 2024 | -| **Amazon** | [Task Scheduler](https://www.fastprep.io/problems/amazon-task-scheduler) | [![Practice][p]](https://www.fastprep.io/problems/amazon-task-scheduler) | Oct 08, 2024 | -| **Amazon** | [Get Min Score](https://www.fastprep.io/problems/1.amazon-get-min-score) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-min-score) | Oct 08, 2024 | -| **TikTok** | [Max Engagement](https://www.fastprep.io/problems/tiktok-maximize-engagement) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-maximize-engagement) | Oct 08, 2024 | -| **TikTok** | [Find Max Squad Size](https://www.fastprep.io/problems/tiktok-find-max-squad-size) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-find-max-squad-size) | Oct 08, 2024 | -| **Expedia** | [Rank Secondary Popularity](https://www.fastprep.io/problems/expedia-rank-songs-by-popularity) | [![Practice][p]](https://www.fastprep.io/problems/expedia-rank-songs-by-popularity) | Oct 08, 2024 | -| **Expedia** | [Get Min Steps](https://www.fastprep.io/problems/expedia-get-min-steps) | [![Practice][p]](https://www.fastprep.io/problems/expedia-get-min-steps) | Oct 08, 2024 | -| **Oracle** | [Min Diff](https://www.fastprep.io/problems/oracle-find-circle-num) | [![Practice][p]](https://www.fastprep.io/problems/oracle-find-circle-num) | Oct 07, 2024 | -| **Amazon** | [Special String](https://www.fastprep.io/problems/amazon-get-special-string) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-special-string) | Oct 05, 2024 | -| **Cisco** | [Identify the Non Twin Person](https://www.fastprep.io/problems/cisco-identify-the-non-twin-person) | [![Practice][p]](https://www.fastprep.io/problems/cisco-identify-the-non-twin-person) | Oct 04, 2024 | -| **Cisco** | [Rotate the Matrix](https://www.fastprep.io/problems/cisco-rotate-matrix) | [![Practice][p]](https://www.fastprep.io/problems/cisco-rotate-matrix) | Oct 04, 2024 | -| **Expedia** | [Get Max Efficiency](https://www.fastprep.io/problems/expedia-get-max-efficiency) | [![Practice][p]](https://www.fastprep.io/problems/expedia-get-max-efficiency) | Oct 04, 2024 | -| **Expedia** | [Calculate the Sum](https://www.fastprep.io/problems/expedia-calculate-the-sum) | [![Practice][p]](https://www.fastprep.io/problems/expedia-calculate-the-sum) | Oct 04, 2024 | -| **Rubrik** | [Enhance Luminescence](https://www.fastprep.io/problems/rubrik-enhance-luminescence) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-enhance-luminescence) | Sep 29, 2024 | -| **Rubrik** | [Maximize Stellar Gradient](https://www.fastprep.io/problems/rubrik-maximize-stellar-gradient) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-maximize-stellar-gradient) | Sep 29, 2024 | -| **Rubrik** | [Salvage Humankind](https://www.fastprep.io/problems/rubrik-salvage-humankind) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-salvage-humankind) | Sep 29, 2024 | -| **Rubrik** | [Mike and Gems](https://www.fastprep.io/problems/rubrik-mike-and-gems) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-mike-and-gems) | Sep 29, 2024 | -| **ZipRecruiter** | [Fishing](https://www.fastprep.io/problems/ziprecruiter-caught-fish) | [![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-caught-fish) | Sep 29, 2024 | -| **Deutsche Bank** | [Generate Lexicographically Smallest String](https://www.fastprep.io/problems/deutsche-bank-generate-lexicographically-smallest-string) | [![Practice][p]](https://www.fastprep.io/problems/deutsche-bank-generate-lexicographically-smallest-string) | Sep 29, 2024 | -| **Squarepoint** | [Empty Shelf](https://www.fastprep.io/problems/squarepoint-empty-shelf) | [![Practice][p]](https://www.fastprep.io/problems/squarepoint-empty-shelf) | Sep 29, 2024 | -| **Squarepoint** | [Suggested Products](https://www.fastprep.io/problems/squarepoint-suggested-products) | [![Practice][p]](https://www.fastprep.io/problems/squarepoint-suggested-products) | Sep 29, 2024 | -| **OpenAI** | [Maixmize the Hits](https://www.fastprep.io/problems/openai-maximize-the-hits) | [![Practice][p]](https://www.fastprep.io/problems/openai-maximize-the-hits) | Sep 28, 2024 | -| **Amazon** | [Find Days S2 Subsequence of S1](https://www.fastprep.io/problems/amazon-find-days-s2-subsequence-of-s1) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-days-s2-subsequence-of-s1) | Sep 28, 2024 | -| **Meta** | [ Min Obstacles to Allow Figure Fall ](https://www.fastprep.io/problems/mt-minimum-obstacles-to-remove-to-allow-figure-fall) | [![Practice][p]](https://www.fastprep.io/problems/mt-minimum-obstacles-to-remove-to-allow-figure-fall) | Sep 28, 2024 | -| **Meta** | [ Find How Many Subarrays Match the Pattern ](https://www.fastprep.io/problems/mt-find-how-many-subarrays-match-the-pattern) | [![Practice][p]](https://www.fastprep.io/problems/mt-find-how-many-subarrays-match-the-pattern) | Sep 28, 2024 | -| **Meta** | [ Count Three Sisters ](https://www.fastprep.io/problems/mt-count-three-sisters) | [![Practice][p]](https://www.fastprep.io/problems/mt-count-three-sisters) | Sep 28, 2024 | -| **Hudson River Trading** | [Future Stock Price](https://www.fastprep.io/problems/hudsonriver-maximum-amount-profit) | [![Practice][p]](https://www.fastprep.io/problems/hudsonriver-maximum-amount-profit) | Sep 28, 2024 | -| **IBM** | [Count Similar Pairs](https://www.fastprep.io/problems/ibm-count-similar-pairs) | [![Practice][p]](https://www.fastprep.io/problems/ibm-count-similar-pairs) | Sep 28, 2024 | -| **IBM** | [Max Subject Number](https://www.fastprep.io/problems/ibm-max-subjects-number) | [![Practice][p]](https://www.fastprep.io/problems/ibm-max-subjects-number) | Sep 28, 2024 | -| **IBM** | [Maximum Efficiency](https://www.fastprep.io/problems/ibm-maximum-efficiency) | [![Practice][p]](https://www.fastprep.io/problems/ibm-maximum-efficiency) | Sep 28, 2024 | -| **Cisco** | [Pilot Drops Food Packet](https://www.fastprep.io/problems/cisco-find-maximum-number-of-drop-points-covered) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-maximum-number-of-drop-points-covered) | Sep 28, 2024 | -| **Wayfair** | [Num of Divisible Substrings](https://www.fastprep.io/problems/wayfair-number-of-divisible-substrings) | [![Practice][p]](https://www.fastprep.io/problems/wayfair-number-of-divisible-substrings) | Sep 28, 2024 | -| **Wayfair** | [DFS Substring of A String](https://www.fastprep.io/problems/wayfair-dfs-subsequences-of-a-string) | [![Practice][p]](https://www.fastprep.io/problems/wayfair-dfs-subsequences-of-a-string) | Sep 28, 2024 | -| **Amazon** | [Find Subarray with Minimum Distinct Integers](https://www.fastprep.io/problems/amazon-find-subarray-with-minimum-distinct-integers) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-subarray-with-minimum-distinct-integers) | Sep 27, 2024 | -| **IBM** | [Min Operations to Make All Elements Equal](https://www.fastprep.io/problems/ibm-minimum-operations-to-make-all-elements-equal) | [![Practice][p]](https://www.fastprep.io/problems/ibm-minimum-operations-to-make-all-elements-equal) | Sep 27, 2024 | -| **IBM** | [Get Minimum Operation Count](https://www.fastprep.io/problems/ibm-get-minimum-operation-count) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-minimum-operation-count) | Sep 27, 2024 | -| **Toshiba** | [Minimize Multiples of Three](https://www.fastprep.io/problems/toshiba-minimize-multiples-of-three) | [![Practice][p]](https://www.fastprep.io/problems/toshiba-minimize-multiples-of-three) | Sep 27, 2024 | -| **Amazon** | [Maximum Quality Sum](https://www.fastprep.io/problems/amazon-maximum-quality-sum) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-quality-sum) | Sep 26, 2024 | -| **Amazon** | [Minimize Warehouse Transfer Cost](https://www.fastprep.io/problems/amazon-minimize-warehouse-transfer-cost) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimize-warehouse-transfer-cost) | Sep 26, 2024 | -| **Amazon** | [Find Sum of Beauties](https://www.fastprep.io/problems/amazon-find-sum-of-beauties) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-sum-of-beauties) | Sep 26, 2024 | -| **Amazon** | [Longest Perfect Anagrams](https://www.fastprep.io/problems/amazon-longest-perfect-anagrams) | [![Practice][p]](https://www.fastprep.io/problems/amazon-longest-perfect-anagrams) | Sep 26, 2024 | -| **Amazon** | [Find Maximum Calories](https://www.fastprep.io/problems/amazon-find-maximum-calories) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-maximum-calories) | Sep 26, 2024 | -| **Salesforce** | [Find Minimum Idleness](https://www.fastprep.io/problems/salesforce-find-minimum-idleness) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-find-minimum-idleness) | Sep 26, 2024 | -| **Salesforce** | [Get Maximum Sum of Strengths](https://www.fastprep.io/problems/salesforce-get-maximum-sum-of-strengths) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-get-maximum-sum-of-strengths) | Sep 26, 2024 | -| **Agoda** | [Maximize Sum of Processed Times](https://www.fastprep.io/problems/agoda-maximize-sum-of-processed-times) | [![Practice][p]](https://www.fastprep.io/problems/agoda-maximize-sum-of-processed-times) | Sep 26, 2024 | -| **BNP** | [Piles of Boxes](https://www.fastprep.io/problems/bnp-piles-of-boxes) | [![Practice][p]](https://www.fastprep.io/problems/bnp-piles-of-boxes) | Sep 26, 2024 | -| **BNP** | [Romanizer](https://www.fastprep.io/problems/bnp-romanizer) | [![Practice][p]](https://www.fastprep.io/problems/bnp-romanizer) | Sep 26, 2024 | -| **Palantir** | [Minimize Path Value](https://www.fastprep.io/problems/palantir-minimize-path-value) | [![Practice][p]](https://www.fastprep.io/problems/palantir-minimize-path-value) | Sep 26, 2024 | -| **Palantir** | [Minimal Operations](https://www.fastprep.io/problems/palantir-minimal-operations) | [![Practice][p]](https://www.fastprep.io/problems/palantir-minimal-operations) | Sep 26, 2024 | -| **JP Morgan** | [Slowest Keys](https://www.fastprep.io/problems/jpmorgan-slowest-key) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-slowest-key) | Sep 25, 2024 | -| **JP Morgan** | [Get Merged Intervals](https://www.fastprep.io/problems/jpmorgan-get-merged-intervals) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-merged-intervals) | Sep 25, 2024 | -| **Akuna** | [Update Release Scheduler](https://www.fastprep.io/problems/akuna-update-release-scheduler) | [![Practice][p]](https://www.fastprep.io/problems/akuna-update-release-scheduler) | Sep 25, 2024 | -| **Akuna** | [Delivery Management System](https://www.fastprep.io/problems/akuna-delivery-management-system) | [![Practice][p]](https://www.fastprep.io/problems/akuna-delivery-management-system) | Sep 25, 2024 | -| **Akuna** | [Array Challenge](https://www.fastprep.io/problems/akuna-array-challenge) | [![Practice][p]](https://www.fastprep.io/problems/akuna-array-challenge) | Sep 25, 2024 | -| **Roblox** | [Valid Pairs](https://www.fastprep.io/problems/roblox-valid-pairs) | [![Practice][p]](https://www.fastprep.io/problems/roblox-valid-pairs) | Sep 25, 2024 | -| **Roblox** | [Schedule Meeting](https://www.fastprep.io/problems/roblox-schedule-meeting) | [![Practice][p]](https://www.fastprep.io/problems/roblox-schedule-meeting) | Sep 25, 2024 | -| **Databricks** | [Write L Matrix](https://www.fastprep.io/problems/databricks-write-l-matrix) | [![Practice][p]](https://www.fastprep.io/problems/databricks-write-l-matrix) | Sep 25, 2024 | -| **Databricks** | [Longest Common Prefix of Number Pairs](https://www.fastprep.io/problems/databricks-longest-common-prefix-of-number-pairs) | [![Practice][p]](https://www.fastprep.io/problems/databricks-longest-common-prefix-of-number-pairs) | Sep 25, 2024 | -| **Databricks** | [Diff Between Sums of Positions](https://www.fastprep.io/problems/databricks-diff-between-sums-of-positions) | [![Practice][p]](https://www.fastprep.io/problems/databricks-diff-between-sums-of-positions) | Sep 25, 2024 | -| **Databricks** | [Subarray Counting](https://www.fastprep.io/problems/databricks-subarray-counting) | [![Practice][p]](https://www.fastprep.io/problems/databricks-subarray-counting) | Sep 25, 2024 | -| **IBM** | [Equalize Team Size](https://www.fastprep.io/problems/ibm-equalize-team-size) | [![Practice][p]](https://www.fastprep.io/problems/ibm-equalize-team-size) | Sep 25, 2024 | -| **IBM** | [Max Index](https://www.fastprep.io/problems/ibm-max-index) | [![Practice][p]](https://www.fastprep.io/problems/ibm-max-index) | Sep 25, 2024 | -| **Arista Networks** | [Generate Matrix B](https://www.fastprep.io/problems/aristanetworks-generate-matrix-b) | [![Practice][p]](https://www.fastprep.io/problems/aristanetworks-generate-matrix-b) | Sep 24, 2024 | -| **Salesforce** | [Closest Subsequence Sum](https://www.fastprep.io/problems/salesforce-closest-subsequence-sum) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-closest-subsequence-sum) | Sep 23, 2024 | -| **Google** | [Min Moves](https://www.fastprep.io/problems/google-focus-on-efficiency) | [![Practice][p]](https://www.fastprep.io/problems/google-focus-on-efficiency) | Sep 23, 2024 | -| **Google** | [Largest Number Possible](https://www.fastprep.io/problems/google-largest-number-possible) | [![Practice][p]](https://www.fastprep.io/problems/google-largest-number-possible) | Sep 23, 2024 | -| **IBM** | [Min Operations Required](https://www.fastprep.io/problems/ibm-minimum-operations-required) | [![Practice][p]](https://www.fastprep.io/problems/ibm-minimum-operations-required) | Sep 23, 2024 | -| **Microsoft** | [XOR Coloring](https://www.fastprep.io/problems/microsoft-xor-coloring) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-xor-coloring) | Sep 23, 2024 | -| **Microsoft** | [Count Good Arrays](https://www.fastprep.io/problems/microsoft-great-subsequences) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-great-subsequences) | Sep 23, 2024 | -| **Microsoft** | [Great Subsequences](https://www.fastprep.io/problems/microsoft-to-good-arrays) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-to-good-arrays) | Sep 23, 2024 | -| **DE Shaw** | [Count Incremovable Subarrays](https://www.fastprep.io/problems/deshaw-count-the-number-of-incremovable-subarrays-ii) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-count-the-number-of-incremovable-subarrays-ii) | Sep 23, 2024 | -| **TikTok** | [TikTok Server Optimization](https://www.fastprep.io/problems/tiktok-optimize-tiktok-routes) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-optimize-tiktok-routes) | Sep 21, 2024 | -| **TikTok** | [Tiktok Viral Challenge](https://www.fastprep.io/problems/tiktok-count-viral-combinations) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-count-viral-combinations) | Sep 21, 2024 | -| **TikTok** | [Optimize TikTok Reels Viewing](https://www.fastprep.io/problems/tiktok-optimize-tiktok-watch-time) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-optimize-tiktok-watch-time) | Sep 21, 2024 | -| **Salesforce** | [Min Difference](https://www.fastprep.io/problems/salesforce-minimum-difference) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-minimum-difference) | Sep 20, 2024 | -| **Salesforce** | [Get Node to Remove](https://www.fastprep.io/problems/salesforce-get-node-to-remove) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-get-node-to-remove) | Sep 20, 2024 | -| **Salesforce** | [Min Dev Time](https://www.fastprep.io/problems/salesforce-get-minimum-development-time) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-get-minimum-development-time) | Sep 20, 2024 | -| **Google** | [Transformation Steps](https://www.fastprep.io/problems/google-array-transformation-steps) | [![Practice][p]](https://www.fastprep.io/problems/google-array-transformation-steps) | Sep 20, 2024 | -| **Google** | [Find Largest Number](https://www.fastprep.io/problems/google-find-largest-number) | [![Practice][p]](https://www.fastprep.io/problems/google-find-largest-number) | Sep 20, 2024 | -| **Hudson River Trading** | [Count Fancy Numbers](https://www.fastprep.io/problems/hudsonriver-count-fancy-numbers) | [![Practice][p]](https://www.fastprep.io/problems/hudsonriver-count-fancy-numbers) | Sep 20, 2024 | -| **TikTok** | [Get Min Total Cost](https://www.fastprep.io/problems/tiktok-get-minimum-total-cost) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-get-minimum-total-cost) | Sep 20, 2024 | -| **IBM** | [Rover Move](https://www.fastprep.io/problems/ibm-rover-move) | [![Practice][p]](https://www.fastprep.io/problems/ibm-rover-move) | Sep 20, 2024 | -| **Goldman Sachs** | [Get Min Moves](https://www.fastprep.io/problems/goldman-get-minimum-moves) | [![Practice][p]](https://www.fastprep.io/problems/goldman-get-minimum-moves) | Sep 20, 2024 | -| **Cisco** | [Find Out Prime or Composite](https://www.fastprep.io/problems/cisco-find-out-prime-or-composite) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-out-prime-or-composite) | Sep 20, 2024 | -| **Cisco** | [Compact List](https://www.fastprep.io/problems/cisco-compact-the-list) | [![Practice][p]](https://www.fastprep.io/problems/cisco-compact-the-list) | Sep 20, 2024 | -| **Cisco** | [Convert Password](https://www.fastprep.io/problems/cisco-convert-password) | [![Practice][p]](https://www.fastprep.io/problems/cisco-convert-password) | Sep 20, 2024 | -| **Codeium** | [Eric's Sequence](https://www.fastprep.io/problems/codeium-erics-sequence) | [![Practice][p]](https://www.fastprep.io/problems/codeium-erics-sequence) | Sep 20, 2024 | -| **Amazon** | [Maximum Possible Racers](https://www.fastprep.io/problems/amazon-maximum-possible-racers) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-possible-racers) | Sep 19, 2024 | -| **Amazon** | [Calculate Total Distrance Travelled](https://www.fastprep.io/problems/amazon-calculate-total-distance-travelled) | [![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-total-distance-travelled) | Sep 19, 2024 | -| **Salesforce** | [Find All Pairs of Integers](https://www.fastprep.io/problems/salesforce-find-all-pairs-of-integers) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-find-all-pairs-of-integers) | Sep 19, 2024 | -| **Salesforce** | [Longest Substring](https://www.fastprep.io/problems/salesforce-minimize-length-of-longest-substring) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-minimize-length-of-longest-substring) | Sep 19, 2024 | -| **Salesforce** | [Get Min Time](https://www.fastprep.io/problems/salesforce-get-minimum-time) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-get-minimum-time) | Sep 19, 2024 | -| **Salesforce** | [Schedule Batch Difference](https://www.fastprep.io/problems/salesforce-schedule-batch-difference) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-schedule-batch-difference) | Sep 19, 2024 | -| **Akuna** | [Get Probability](https://www.fastprep.io/problems/akuna-get-probability) | [![Practice][p]](https://www.fastprep.io/problems/akuna-get-probability) | Sep 19, 2024 | -| **Stripe** | [For All Intents And Purposes Part 1 - Initilizing the System](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes) | [![Practice][p]](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes) | Sep 19, 2024 | -| **Stripe** | [For All Intents And Purposes Part 2 - Change Is Good!](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes-part2) | [![Practice][p]](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes-part2) | Sep 19, 2024 | -| **Stripe** | [For All Intents And Purposes Part 3 - Accepting Failure](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes-part3) | [![Practice][p]](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes-part3) | Sep 19, 2024 | -| **Stripe** | [For All Intents And Purposes Part 3 - Timing Matters](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes-part4) | [![Practice][p]](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes-part4) | Sep 19, 2024 | -| **TikTok** | [Viral Content Balancer](https://www.fastprep.io/problems/tiktok-viral-content-balancer) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-viral-content-balancer) | Sep 19, 2024 | -| **TikTok** | [Distribute Credits](https://www.fastprep.io/problems/tiktok-can-distribute-credits) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-can-distribute-credits) | Sep 19, 2024 | -| **LinkedIn** | [First Occurence](https://www.fastprep.io/problems/linkedin-first-occurrence) | [![Practice][p]](https://www.fastprep.io/problems/linkedin-first-occurrence) | Sep 19, 2024 | -| **IBM** | [Process Logs](https://www.fastprep.io/problems/ibm-process-logs) | [![Practice][p]](https://www.fastprep.io/problems/ibm-process-logs) | Sep 19, 2024 | -| **IBM** | [Is Convertible Data](https://www.fastprep.io/problems/ibm-is-convertible-data) | [![Practice][p]](https://www.fastprep.io/problems/ibm-is-convertible-data) | Sep 19, 2024 | -| **Rubrik** | [Key Sum Management](https://www.fastprep.io/problems/rubrik-key-sum-management) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-key-sum-management) | Sep 19, 2024 | -| **Rubrik** | [Unaligned Dedupe](https://www.fastprep.io/problems/rubrik-unaligned-dedupe) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-unaligned-dedupe) | Sep 19, 2024 | -| **Rubrik** | [Bitonic Partitioning](https://www.fastprep.io/problems/rubrik-bitonic-partitioning) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-bitonic-partitioning) | Sep 19, 2024 | -| **Rubrik** | [Chain Merge](https://www.fastprep.io/problems/rubrik-chain-merge) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-chain-merge) | Sep 19, 2024 | -| **Rubrik** | [The Oracle](https://www.fastprep.io/problems/rubrik-the-oracle) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-the-oracle) | Sep 19, 2024 | -| **Rubrik** | [Redistribute Megasseds](https://www.fastprep.io/problems/rubrik-redistribute-megaseeds) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-redistribute-megaseeds) | Sep 19, 2024 | -| **Rubrik** | [Anti Aging Serum](https://www.fastprep.io/problems/rubrik-anti-aging-serum) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-anti-aging-serum) | Sep 19, 2024 | -| **Rubrik** | [Save the Universe](https://www.fastprep.io/problems/rubrik-save-the-universe) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-save-the-universe) | Sep 19, 2024 | -| **Microsoft** | [Check Path Presence](https://www.fastprep.io/problems/microsoft-check-path-presence) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-check-path-presence) | Sep 19, 2024 | -| **Oracle** | [Create Largest Permutation](https://www.fastprep.io/problems/oracle-create-lexicographically-largest-permutation) | [![Practice][p]](https://www.fastprep.io/problems/oracle-create-lexicographically-largest-permutation) | Sep 19, 2024 | -| **ZipRecruiter** | [Lamp and Control Points](https://www.fastprep.io/problems/ziprecruiter-lamp-and-control-points) | [![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-lamp-and-control-points) | Sep 19, 2024 | -| **ZipRecruiter** | [Coder Writing](https://www.fastprep.io/problems/ziprecruiter-coder-writing) | [![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-coder-writing) | Sep 19, 2024 | -| **Cisco** | [Add Numbers](https://www.fastprep.io/problems/cisco-add-numbers) | [![Practice][p]](https://www.fastprep.io/problems/cisco-add-numbers) | Sep 19, 2024 | -| **Cisco** | [Expand Given String](https://www.fastprep.io/problems/cisco-expand-given-string) | [![Practice][p]](https://www.fastprep.io/problems/cisco-expand-given-string) | Sep 19, 2024 | -| **Cisco** | [Create New Version](https://www.fastprep.io/problems/cisco-create-new-version) | [![Practice][p]](https://www.fastprep.io/problems/cisco-create-new-version) | Sep 19, 2024 | -| **BNP** | [Largest Good](https://www.fastprep.io/problems/bnp-largest-good) | [![Practice][p]](https://www.fastprep.io/problems/bnp-largest-good) | Sep 19, 2024 | -| **Accenture** | [Smallest Number Greater Thank K](https://www.fastprep.io/problems/accenture-smallest-number-greater-than-k) | [![Practice][p]](https://www.fastprep.io/problems/accenture-smallest-number-greater-than-k) | Sep 19, 2024 | -| **FactSet** | [Last Stone Weight](https://www.fastprep.io/problems/factset-last-stone-weight) | [![Practice][p]](https://www.fastprep.io/problems/factset-last-stone-weight) | Sep 19, 2024 | -| **FactSet** | [Largest Square of Ones](https://www.fastprep.io/problems/factset-largest-square-of-1s) | [![Practice][p]](https://www.fastprep.io/problems/factset-largest-square-of-1s) | Sep 19, 2024 | -| **FactSet** | [Phone Album](https://www.fastprep.io/problems/factset-photo-album) | [![Practice][p]](https://www.fastprep.io/problems/factset-photo-album) | Sep 19, 2024 | -| **IMC** | [Max Sub Square Matrix Sum Less Than K](https://www.fastprep.io/problems/imc-maximum-sub-square-matrix-sum-less-than-k) | [![Practice][p]](https://www.fastprep.io/problems/imc-maximum-sub-square-matrix-sum-less-than-k) | Sep 19, 2024 | -| **ZoloStays** | [Range Sum](https://www.fastprep.io/problems/zolostays-range-sum) | [![Practice][p]](https://www.fastprep.io/problems/zolostays-range-sum) | Sep 19, 2024 | -| **ZoloStays** | [Trapping Rain Water](https://www.fastprep.io/problems/zolostays-trapping-rain-water) | [![Practice][p]](https://www.fastprep.io/problems/zolostays-trapping-rain-water) | Sep 19, 2024 | -| **Odoo** | [Evaluate a Python Integer Expression](https://www.fastprep.io/problems/odoo-evaluate-python-integer-expression) | [![Practice][p]](https://www.fastprep.io/problems/odoo-evaluate-python-integer-expression) | Sep 17, 2024 | -| **MathWorks** | [Has Vowels](https://www.fastprep.io/problems/mathwork-has-vowels) | [![Practice][p]](https://www.fastprep.io/problems/mathwork-has-vowels) | Sep 17, 2024 | -| **MathWorks** | [Get Min Operations](https://www.fastprep.io/problems/mathworks-get-minimum-operations) | [![Practice][p]](https://www.fastprep.io/problems/mathworks-get-minimum-operations) | Sep 17, 2024 | -| **Odoo** | [Compare Character Arrays with Backspaces](https://www.fastprep.io/problems/odoo-compare-character-arrays-with-backspaces) | [![Practice][p]](https://www.fastprep.io/problems/odoo-compare-character-arrays-with-backspaces) | Sep 17, 2024 | -| **Amazon** | [Get Outlier Value](https://www.fastprep.io/problems/1.amazon-get-outlier-value) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-outlier-value) | Sep 16, 2024 | -| **Blackrock** | [Calculate Distance](https://www.fastprep.io/problems/blackrock-calculate-distance) | [![Practice][p]](https://www.fastprep.io/problems/blackrock-calculate-distance) | Sep 16, 2024 | -| **Blackrock** | [Efficient Matching](https://www.fastprep.io/problems/blackrock-efficient-matching) | [![Practice][p]](https://www.fastprep.io/problems/blackrock-efficient-matching) | Sep 16, 2024 | -| **Bloomberg** | [Consecutive](https://www.fastprep.io/problems/bloomberg-consecutive) | [![Practice][p]](https://www.fastprep.io/problems/bloomberg-consecutive) | Sep 16, 2024 | -| **Bloomberg** | [Count Numbers](https://www.fastprep.io/problems/bloomberg-count-numbers) | [![Practice][p]](https://www.fastprep.io/problems/bloomberg-count-numbers) | Sep 16, 2024 | -| **Bloomberg** | [Find Longest Chain](https://www.fastprep.io/problems/bloomberg-find-longest-chain) | [![Practice][p]](https://www.fastprep.io/problems/bloomberg-find-longest-chain) | Sep 16, 2024 | -| **Bloomberg** | [Shuffle All the Decks](https://www.fastprep.io/problems/bloomberg-shuffle-all-decks) | [![Practice][p]](https://www.fastprep.io/problems/bloomberg-shuffle-all-decks) | Sep 16, 2024 | -| **JP Morgan** | [Get Final String](https://www.fastprep.io/problems/jpmorgan-get-final-string) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-final-string) | Sep 05, 2024 | -| **JP Morgan** | [Min Swaps](https://www.fastprep.io/problems/jpmorgan-minimum-swaps) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-minimum-swaps) | Sep 05, 2024 | -| **JP Morgan** | [Get Max Deletions](https://www.fastprep.io/problems/jpmorgan-get-max-deletions) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-max-deletions) | Sep 05, 2024 | -| **JP Morgan** | [Maximum Amount](https://www.fastprep.io/problems/jpmorgan-maximum-amount) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-maximum-amount) | Sep 05, 2024 | -| **JP Morgan** | [Count Numbers](https://www.fastprep.io/problems/jpmorgan-count-numbers) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-count-numbers) | Sep 05, 2024 | -| **Google** | [Optimize Log Files](https://www.fastprep.io/problems/google-optimize-log-files) | [![Practice][p]](https://www.fastprep.io/problems/google-optimize-log-files) | Sep 05, 2024 | -| **IBM** | [Maximize Resource Allocation](https://www.fastprep.io/problems/ibm-maximize-resource-allocation) | [![Practice][p]](https://www.fastprep.io/problems/ibm-maximize-resource-allocation) | Sep 05, 2024 | -| **IBM** | [Find Max Even Sum](https://www.fastprep.io/problems/ibm-find-maximum-even-sum) | [![Practice][p]](https://www.fastprep.io/problems/ibm-find-maximum-even-sum) | Sep 05, 2024 | -| **JP Morgan** | [Print Without Repeating](https://www.fastprep.io/problems/jpmorgan-print-number-of-elements-without-repeating-digits) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-print-number-of-elements-without-repeating-digits) | Sep 04, 2024 | -| **JP Morgan** | [Get Unique Character](https://www.fastprep.io/problems/jpmorgan-get-unique-character) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-unique-character) | Sep 04, 2024 | -| **JP Morgan** | [Get Min Machines](https://www.fastprep.io/problems/jpmorgan-get-min-machines) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-min-machines) | Sep 04, 2024 | -| **JP Morgan** | [Get Min Cost](https://www.fastprep.io/problems/jpmorgan-min-cost) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-min-cost) | Sep 04, 2024 | -| **Uber** | [Count Segments After House Removals](https://www.fastprep.io/problems/uber-counting-segments-after-house-removals) | [![Practice][p]](https://www.fastprep.io/problems/uber-counting-segments-after-house-removals) | Sep 04, 2024 | -| **Cisco** | [Find Largest Sum of Continuous Sequence](https://www.fastprep.io/problems/cisco-find-largest-sum-of-continuous-sequence) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-largest-sum-of-continuous-sequence) | Sep 04, 2024 | -| **Cisco** | [Find Elements Largest in Row Smallest in Column](https://www.fastprep.io/problems/cisco-find-elements-largest-row-smallest-column) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-elements-largest-row-smallest-column) | Sep 04, 2024 | -| **Cisco** | [Find Palinedrome Sub String](https://www.fastprep.io/problems/cisco-find-sub-string) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-sub-string) | Sep 04, 2024 | -| **Cisco** | [Find Machine Count](https://www.fastprep.io/problems/cisco-get-minimum-cost) | [![Practice][p]](https://www.fastprep.io/problems/cisco-get-minimum-cost) | Sep 04, 2024 | -| **Amazon** | [Distributed Packages](https://www.fastprep.io/problems/amazon-distribute-packages) | [![Practice][p]](https://www.fastprep.io/problems/amazon-distribute-packages) | Sep 03, 2024 | -| **Amazon** | [Get Max Information Gain](https://www.fastprep.io/problems/amazon-get-max-information-gain) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-information-gain) | Sep 03, 2024 | -| **Amazon** | [Find Capable Winners](https://www.fastprep.io/problems/amazon-find-capable-winners) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-capable-winners) | Sep 03, 2024 | -| **Amazon** | [Find Maximum Zeros](https://www.fastprep.io/problems/1.amazon-find-maximum-zeroes) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-maximum-zeroes) | Sep 03, 2024 | -| **TikTok** | [Sort Social Media Feeds](https://www.fastprep.io/problems/tiktok-sort-social-media-feed) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-sort-social-media-feed) | Sep 03, 2024 | -| **Microsoft** | [Maximum Number of Moves with Same Result](https://www.fastprep.io/problems/microsoft-max-num-of-moves) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-max-num-of-moves) | Sep 03, 2024 | -| **Cisco** | [Find Min Cost To Shift Machines](https://www.fastprep.io/problems/cisco-find-minimum-cost-to-shift-machines) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-minimum-cost-to-shift-machines) | Sep 03, 2024 | -| **Cisco** | [Get Min Servers](https://www.fastprep.io/problems/cisco-get-min-servers) | [![Practice][p]](https://www.fastprep.io/problems/cisco-get-min-servers) | Sep 03, 2024 | -| **Deutsche Bank** | [Give Min Sum](https://www.fastprep.io/problems/deutsche-bank-give-minimum-sum) | [![Practice][p]](https://www.fastprep.io/problems/deutsche-bank-give-minimum-sum) | Sep 03, 2024 | -| **Amazon** | [Get Min Size](https://www.fastprep.io/problems/amazon-get-min-size) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-size) | Aug 30, 2024 | -| **Salesforce** | [Get Perfect Pairs Count](https://www.fastprep.io/problems/salesforce-get-perfect-pairs-count) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-get-perfect-pairs-count) | Aug 30, 2024 | -| **Salesforce** | [Minimal Operations](https://www.fastprep.io/problems/salesforce-minimal-operations) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-minimal-operations) | Aug 30, 2024 | -| **JP Morgan** | [Get Largest Number](https://www.fastprep.io/problems/jpmorgan-get-largest-number) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-largest-number) | Aug 30, 2024 | -| **Uber** | [Count Elements](https://www.fastprep.io/problems/uber-count-elements) | [![Practice][p]](https://www.fastprep.io/problems/uber-count-elements) | Aug 30, 2024 | -| **Uber** | [Build Blocks and Obstacles](https://www.fastprep.io/problems/uber-build-blocks-and-obstacles) | [![Practice][p]](https://www.fastprep.io/problems/uber-build-blocks-and-obstacles) | Aug 30, 2024 | -| **Uber** | [Matrix Transformation](https://www.fastprep.io/problems/uber-matrix-transformation) | [![Practice][p]](https://www.fastprep.io/problems/uber-matrix-transformation) | Aug 30, 2024 | -| **Uber** | [Match Pattern](https://www.fastprep.io/problems/uber-match-subarray-to-pattern) | [![Practice][p]](https://www.fastprep.io/problems/uber-match-subarray-to-pattern) | Aug 30, 2024 | -| **Uber** | [Character Health](https://www.fastprep.io/problems/uber-character-health-in-a-video-game) | [![Practice][p]](https://www.fastprep.io/problems/uber-character-health-in-a-video-game) | Aug 30, 2024 | -| **Hudson River Trading** | [Increasing Paths 2](https://www.fastprep.io/problems/hudsonriver-increasing-paths-2) | [![Practice][p]](https://www.fastprep.io/problems/hudsonriver-increasing-paths-2) | Aug 30, 2024 | -| **Hudson River Trading** | [Increasing Paths 1](https://www.fastprep.io/problems/hudsonriver-increasing-paths-1) | [![Practice][p]](https://www.fastprep.io/problems/hudsonriver-increasing-paths-1) | Aug 30, 2024 | -| **TikTok** | [Secondary Influencer](https://www.fastprep.io/problems/tiktok-get-secondary-influencer-sum) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-get-secondary-influencer-sum) | Aug 30, 2024 | -| **TikTok** | [Maximize Efficiency Product](https://www.fastprep.io/problems/tiktok-maximize-efficiency-product) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-maximize-efficiency-product) | Aug 30, 2024 | -| **Microsoft** | [Min Num Tiles](https://www.fastprep.io/problems/microsoft-min-num-tiles) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-min-num-tiles) | Aug 30, 2024 | -| **Microsoft** | [Shortest Possible Length](https://www.fastprep.io/problems/microsoft-shortest-possible-length) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-shortest-possible-length) | Aug 30, 2024 | -| **Cisco** | [Find Mean and Mode](https://www.fastprep.io/problems/cisco-find-mean-and-mode) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-mean-and-mode) | Aug 30, 2024 | -| **Cisco** | [Count Number with Sum of Digits](https://www.fastprep.io/problems/cisco-count-numbers-with-sum-of-digits) | [![Practice][p]](https://www.fastprep.io/problems/cisco-count-numbers-with-sum-of-digits) | Aug 30, 2024 | -| **Cisco** | [Calculate Mean and Mode](https://www.fastprep.io/problems/cisco-calculate-mean-and-mode) | [![Practice][p]](https://www.fastprep.io/problems/cisco-calculate-mean-and-mode) | Aug 30, 2024 | -| **Cisco** | [Find Words in Grid](https://www.fastprep.io/problems/cisco-find-words-in-grid) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-words-in-grid) | Aug 30, 2024 | -| **Cisco** | [Find Last Call](https://www.fastprep.io/problems/cisco-find-last-cell) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-last-cell) | Aug 30, 2024 | -| **Nutanix** | [Min Cost To Collect All Points](https://www.fastprep.io/problems/nutanix-min-cost-to-connect-all-points) | [![Practice][p]](https://www.fastprep.io/problems/nutanix-min-cost-to-connect-all-points) | Aug 30, 2024 | -| **Amazon** | [Min Operations To Make Zeros](https://www.fastprep.io/problems/amazon-find-minimum-number-of-operations) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-number-of-operations) | Aug 28, 2024 | -| **TikTok** | [Substrings Without Vowels](https://www.fastprep.io/problems/tiktok-number-of-substrings-without-vowels) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-number-of-substrings-without-vowels) | Aug 28, 2024 | -| **TikTok** | [Build URLs](https://www.fastprep.io/problems/tiktok-build-url) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-build-url) | Aug 28, 2024 | -| **IBM** | [Get Min Cores](https://www.fastprep.io/problems/ibm-get-min-cores) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-min-cores) | Aug 28, 2024 | -| **IBM** | [Get Smallest String](https://www.fastprep.io/problems/ibm-get-smallest-string) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-smallest-string) | Aug 28, 2024 | -| **Microsoft** | [Path In Grid](https://www.fastprep.io/problems/microsoft-path-in-grid) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-path-in-grid) | Aug 28, 2024 | -| **Microsoft** | [Minimize Difference](https://www.fastprep.io/problems/microsoft-minimize-difference) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-minimize-difference) | Aug 28, 2024 | -| **Microsoft** | [Product of xor of All Good Pairs](https://www.fastprep.io/problems/microsoft-product-of-xor-of-all-good-pairs) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-product-of-xor-of-all-good-pairs) | Aug 28, 2024 | -| **DE Shaw** | [Subarray Removal](https://www.fastprep.io/problems/deshaw-subarray-removal) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-subarray-removal) | Aug 28, 2024 | -| **Cisco** | [Find Maiximum Number Drop Points Connected](https://www.fastprep.io/problems/cisco-find-maximum-number-drop-points-connected) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-maximum-number-drop-points-connected) | Aug 28, 2024 | -| **Cisco** | [Longest Palindromic Subarray](https://www.fastprep.io/problems/cisco-longest-palindromic-substring) | [![Practice][p]](https://www.fastprep.io/problems/cisco-longest-palindromic-substring) | Aug 28, 2024 | -| **Cisco** | [Find Largest Sum Contiguous Subarray](https://www.fastprep.io/problems/cisco-find-largest-sum-contiguous-subarray) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-largest-sum-contiguous-subarray) | Aug 28, 2024 | -| **Commvault** | [Count Good Strings](https://www.fastprep.io/problems/commvault-count-good-strings) | [![Practice][p]](https://www.fastprep.io/problems/commvault-count-good-strings) | Aug 28, 2024 | -| **Commvault** | [Num of Good Pairs](https://www.fastprep.io/problems/commvault-number-of-good-pairs) | [![Practice][p]](https://www.fastprep.io/problems/commvault-number-of-good-pairs) | Aug 28, 2024 | -| **Sofi** | [Get Maximum Jobs](https://www.fastprep.io/problems/sofi-get-maximum-jobs) | [![Practice][p]](https://www.fastprep.io/problems/sofi-get-maximum-jobs) | Aug 28, 2024 | -| **Zalando** | [Longest String](https://www.fastprep.io/problems/zolando-longest-string) | [![Practice][p]](https://www.fastprep.io/problems/zolando-longest-string) | Aug 28, 2024 | -| **Zalando** | [String Manipulation](https://www.fastprep.io/problems/zolando-string-manipulation) | [![Practice][p]](https://www.fastprep.io/problems/zolando-string-manipulation) | Aug 28, 2024 | -| **Amazon** | [Choose Warehouse Location](https://www.fastprep.io/problems/amazon-choose-warehouses-location) | [![Practice][p]](https://www.fastprep.io/problems/amazon-choose-warehouses-location) | Aug 25, 2024 | -| **Amazon** | [Sort Permutation](https://www.fastprep.io/problems/1.amazon-sort-permutation) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-sort-permutation) | Aug 25, 2024 | -| **Akuna** | [Movie Ratings](https://www.fastprep.io/problems/akuna-maximize-ratings) | [![Practice][p]](https://www.fastprep.io/problems/akuna-maximize-ratings) | Aug 25, 2024 | -| **Akuna** | [Get Max Cost](https://www.fastprep.io/problems/akuna-get-max-cost) | [![Practice][p]](https://www.fastprep.io/problems/akuna-get-max-cost) | Aug 25, 2024 | -| **Akuna** | [Get String](https://www.fastprep.io/problems/akuna-get-substring) | [![Practice][p]](https://www.fastprep.io/problems/akuna-get-substring) | Aug 25, 2024 | -| **TikTok** | [Min Days to Target Engagement](https://www.fastprep.io/problems/tiktok-min-days-to-target-engagement) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-min-days-to-target-engagement) | Aug 25, 2024 | -| **TikTok** | [Calculate Content Strength](https://www.fastprep.io/problems/tiktok-calculate-content-strength) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-calculate-content-strength) | Aug 25, 2024 | -| **Roblox** | [Make Tower](https://www.fastprep.io/problems/roblox-make-towers-strictly-increasing-or-decreasing) | [![Practice][p]](https://www.fastprep.io/problems/roblox-make-towers-strictly-increasing-or-decreasing) | Aug 25, 2024 | -| **Roblox** | [Shift Ops](https://www.fastprep.io/problems/roblox-shift-ops) | [![Practice][p]](https://www.fastprep.io/problems/roblox-shift-ops) | Aug 25, 2024 | -| **Roblox** | [Find Longest Diagonal Segment](https://www.fastprep.io/problems/roblox-find-longest-diagonal-segment) | [![Practice][p]](https://www.fastprep.io/problems/roblox-find-longest-diagonal-segment) | Aug 25, 2024 | -| **Amazon** | [Minimize Storage Required](https://www.fastprep.io/problems/amazon-minimum-storage-capacity-required) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-storage-capacity-required) | Aug 23, 2024 | -| **TikTok** | [Shared Categories](https://www.fastprep.io/problems/tiktok-max-shared-categories) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-max-shared-categories) | Aug 23, 2024 | -| **TikTok** | [Find Min Transitions](https://www.fastprep.io/problems/tiktok-find-minimum-transitions) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-find-minimum-transitions) | Aug 23, 2024 | -| **TikTok** | [Find Pair with Max GCD](https://www.fastprep.io/problems/tiktok-find-pair-with-maximum-gcd) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-find-pair-with-maximum-gcd) | Aug 23, 2024 | -| **Rubrik** | [Friendship String](https://www.fastprep.io/problems/rubrik-friendship-string) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-friendship-string) | Aug 23, 2024 | -| **Rubrik** | [Doing Smart Work](https://www.fastprep.io/problems/rubrik-doing-smart-work) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-doing-smart-work) | Aug 23, 2024 | -| **Rubrik** | [Battle with Upper Moon 6](https://www.fastprep.io/problems/rubrik-battle-with-upper-moon-6) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-battle-with-upper-moon-6) | Aug 23, 2024 | -| **Rubrik** | [Maximize Happiness](https://www.fastprep.io/problems/rubrik-maximize-happiness) | [![Practice][p]](https://www.fastprep.io/problems/rubrik-maximize-happiness) | Aug 23, 2024 | -| **MathWorks** | [Make Arrays Equal](https://www.fastprep.io/problems/mathwork-make-arrays-equal) | [![Practice][p]](https://www.fastprep.io/problems/mathwork-make-arrays-equal) | Aug 23, 2024 | -| **Trend Micro** | [Counting Game](https://www.fastprep.io/problems/trendmicro-counting-game) | [![Practice][p]](https://www.fastprep.io/problems/trendmicro-counting-game) | Aug 23, 2024 | -| **Trend Micro** | [Find Sequences](https://www.fastprep.io/problems/trendmicro-find-sequences) | [![Practice][p]](https://www.fastprep.io/problems/trendmicro-find-sequences) | Aug 23, 2024 | -| **Cvent** | [Maximize Score](https://www.fastprep.io/problems/cvent-maximize-score) | [![Practice][p]](https://www.fastprep.io/problems/cvent-maximize-score) | Aug 23, 2024 | -| **Pinterest** | [Join Sources with Lagged Destination Timestamps](https://www.fastprep.io/problems/pinterest-timestamp-lag-source-join) | [![Practice][p]](https://www.fastprep.io/problems/pinterest-timestamp-lag-source-join) | Aug 21, 2024 | -| **Snowflake** | [Closest Squared Distance](https://www.fastprep.io/problems/snowflake-closest-squared-distance) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-closest-squared-distance) | Aug 20, 2024 | -| **Salesforce** | [Find Num of Perfect Pairs](https://www.fastprep.io/problems/salesforce-find-number-of-perfect-pairs) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-find-number-of-perfect-pairs) | Aug 18, 2024 | -| **Salesforce** | [Least Hours](https://www.fastprep.io/problems/salesforce-least-hours) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-least-hours) | Aug 18, 2024 | -| **JP Morgan** | [Choose Fleets](https://www.fastprep.io/problems/jpmorgan-choose-fleets) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-choose-fleets) | Aug 18, 2024 | -| **JP Morgan** | [Count Signals](https://www.fastprep.io/problems/jpmorgan-count-signals) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-count-signals) | Aug 18, 2024 | -| **Google** | [Min Num Moves](https://www.fastprep.io/problems/google-minimum-number-of-moves-to-obtain) | [![Practice][p]](https://www.fastprep.io/problems/google-minimum-number-of-moves-to-obtain) | Aug 18, 2024 | -| **Google** | [Biggest Number of Digits](https://www.fastprep.io/problems/google-biggest-number-of-digits) | [![Practice][p]](https://www.fastprep.io/problems/google-biggest-number-of-digits) | Aug 18, 2024 | -| **TikTok** | [Get Optimal Content Storage](https://www.fastprep.io/problems/tiktok-get-optimal-content-storage) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-get-optimal-content-storage) | Aug 18, 2024 | -| **Roblox** | [Find Largest Num Of Pairs](https://www.fastprep.io/problems/roblox-find-max-number-of-pairs) | [![Practice][p]](https://www.fastprep.io/problems/roblox-find-max-number-of-pairs) | Aug 18, 2024 | -| **Databricks** | [String Requests](https://www.fastprep.io/problems/databricks-string-requests) | [![Practice][p]](https://www.fastprep.io/problems/databricks-string-requests) | Aug 18, 2024 | -| **Databricks** | [Diagonal Weights](https://www.fastprep.io/problems/databricks-diagonal-weights) | [![Practice][p]](https://www.fastprep.io/problems/databricks-diagonal-weights) | Aug 18, 2024 | -| **Databricks** | [Goto Largest Bucket](https://www.fastprep.io/problems/databricks-goto-largest-bucket) | [![Practice][p]](https://www.fastprep.io/problems/databricks-goto-largest-bucket) | Aug 18, 2024 | -| **Databricks** | [Count Triples with Diff](https://www.fastprep.io/problems/databricks-count-triples-with-diff) | [![Practice][p]](https://www.fastprep.io/problems/databricks-count-triples-with-diff) | Aug 18, 2024 | -| **IBM** | [Get Maximum Occurances](https://www.fastprep.io/problems/ibm-get-max-occurrences) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-max-occurrences) | Aug 18, 2024 | -| **IBM** | [Get Min Difference](https://www.fastprep.io/problems/ibm-get-minimum-difference) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-minimum-difference) | Aug 18, 2024 | -| **IBM** | [Max Traffic Time](https://www.fastprep.io/problems/ibm-get-max-traffic-time) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-max-traffic-time) | Aug 18, 2024 | -| **Databricks** | [Array Manipulation](https://www.fastprep.io/problems/databricks-array-manipulation) | [![Practice][p]](https://www.fastprep.io/problems/databricks-array-manipulation) | Aug 13, 2024 | -| **Capital One** | [Rotate Matrix Over Diagonals](https://www.fastprep.io/problems/capitalone-rotate-matrix-over-diagonals) | [![Practice][p]](https://www.fastprep.io/problems/capitalone-rotate-matrix-over-diagonals) | Aug 12, 2024 | -| **Databricks** | [Advanture to Count Moves](https://www.fastprep.io/problems/databricks-advanture-to-count-moves) | [![Practice][p]](https://www.fastprep.io/problems/databricks-advanture-to-count-moves) | Aug 12, 2024 | -| **Databricks** | [Cyclic Pairs](https://www.fastprep.io/problems/databricks-cyclic-pairs) | [![Practice][p]](https://www.fastprep.io/problems/databricks-cyclic-pairs) | Aug 12, 2024 | -| **Databricks** | [Check Pattern Presence](https://www.fastprep.io/problems/databricks-check-pattern-presence) | [![Practice][p]](https://www.fastprep.io/problems/databricks-check-pattern-presence) | Aug 12, 2024 | -| **GE Vernova** | [Find Min Special Value](https://www.fastprep.io/problems/ge-vernova-find-minimum-special-value) | [![Practice][p]](https://www.fastprep.io/problems/ge-vernova-find-minimum-special-value) | Aug 12, 2024 | -| **Amazon** | [Minimize Maximum Parcels](https://www.fastprep.io/problems/1.amazon-minimize-maximum-parcels) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-minimize-maximum-parcels) | Aug 11, 2024 | -| **Google** | [Happy Neighbor](https://www.fastprep.io/problems/google-happy-neighbor) | [![Practice][p]](https://www.fastprep.io/problems/google-happy-neighbor) | Aug 11, 2024 | -| **Amazon** | [Get Sequence](https://www.fastprep.io/problems/amazon-get-sequence) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-sequence) | Aug 10, 2024 | -| **Amazon** | [Get Maximum Sum](https://www.fastprep.io/problems/amazon-get-maximum-sum) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-maximum-sum) | Aug 10, 2024 | -| **TikTok** | [Exchange Cups](https://www.fastprep.io/problems/tiktok-exchange-cups) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-exchange-cups) | Aug 10, 2024 | -| **TikTok** | [Eating Candies](https://www.fastprep.io/problems/tiktok-eating-candies) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-eating-candies) | Aug 10, 2024 | -| **TikTok** | [Find Good Subarray](https://www.fastprep.io/problems/tiktok-find-good-subarray) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-find-good-subarray) | Aug 10, 2024 | -| **TikTok** | [Card Packets](https://www.fastprep.io/problems/tiktok-card-packets) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-card-packets) | Aug 10, 2024 | -| **Databricks** | [Count Pairs](https://www.fastprep.io/problems/dd-count-pairs) | [![Practice][p]](https://www.fastprep.io/problems/dd-count-pairs) | Aug 10, 2024 | -| **Google** | [Movie Bits to Right](https://www.fastprep.io/problems/google-move-bits-to-right) | [![Practice][p]](https://www.fastprep.io/problems/google-move-bits-to-right) | Aug 08, 2024 | -| **Eat Club** | [Sequence Beauty](https://www.fastprep.io/problems/eat-club-calculate-sequence-beauty) | [![Practice][p]](https://www.fastprep.io/problems/eat-club-calculate-sequence-beauty) | Aug 08, 2024 | -| **Eat Club** | [Grandmaster Choice](https://www.fastprep.io/problems/eat-club-grandmasters-choice) | [![Practice][p]](https://www.fastprep.io/problems/eat-club-grandmasters-choice) | Aug 08, 2024 | -| **JP Morgan** | [Count Teams](https://www.fastprep.io/problems/jpmorgan-count-teams) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-count-teams) | Aug 07, 2024 | -| **Uber** | [Good Ways to Reach a Sum](https://www.fastprep.io/problems/uber-count-ways-to-reach-a-sum) | [![Practice][p]](https://www.fastprep.io/problems/uber-count-ways-to-reach-a-sum) | Aug 07, 2024 | -| **Uber** | [Count Good Array](https://www.fastprep.io/problems/uber-count-the-number-of-good-subarrays) | [![Practice][p]](https://www.fastprep.io/problems/uber-count-the-number-of-good-subarrays) | Aug 07, 2024 | -| **Uber** | [Min Right Shifts to Sort An Array](https://www.fastprep.io/problems/uber-minimum-right-shifts-to-sort-the-array) | [![Practice][p]](https://www.fastprep.io/problems/uber-minimum-right-shifts-to-sort-the-array) | Aug 07, 2024 | -| **Uber** | [Min Obstacle to Remove](https://www.fastprep.io/problems/uber-minimum-obstacle-removal) | [![Practice][p]](https://www.fastprep.io/problems/uber-minimum-obstacle-removal) | Aug 07, 2024 | -| **Akuna** | [Movie Marathon](https://www.fastprep.io/problems/akuna-longest-marathon) | [![Practice][p]](https://www.fastprep.io/problems/akuna-longest-marathon) | Aug 07, 2024 | -| **Akuna** | [Min Operations](https://www.fastprep.io/problems/akuna-minimal-operations) | [![Practice][p]](https://www.fastprep.io/problems/akuna-minimal-operations) | Aug 07, 2024 | -| **Optiver** | [Customer Checkout Duration](https://www.fastprep.io/problems/optiver-customer-checkout-duration) | [![Practice][p]](https://www.fastprep.io/problems/optiver-customer-checkout-duration) | Aug 07, 2024 | -| **Akuna** | [Maximize Segregation Cost](https://www.fastprep.io/problems/akuna-maximize-segregation-cost) | [![Practice][p]](https://www.fastprep.io/problems/akuna-maximize-segregation-cost) | Aug 06, 2024 | -| **BNY Mellon** | [Count Subsequences](https://www.fastprep.io/problems/bnymellon-count-subsequences) | [![Practice][p]](https://www.fastprep.io/problems/bnymellon-count-subsequences) | Aug 06, 2024 | -| **BNY Mellon** | [Dig Sum](https://www.fastprep.io/problems/bnymellon-ways-to-choose-sum) | [![Practice][p]](https://www.fastprep.io/problems/bnymellon-ways-to-choose-sum) | Aug 06, 2024 | -| **Amazon** | [Process Queries On Cart](https://www.fastprep.io/problems/amazon-process-queries-on-cart) | [![Practice][p]](https://www.fastprep.io/problems/amazon-process-queries-on-cart) | Aug 05, 2024 | -| **Amazon** | [Assign Tasks](https://www.fastprep.io/problems/amazon-assign-tasks) | [![Practice][p]](https://www.fastprep.io/problems/amazon-assign-tasks) | Aug 05, 2024 | -| **Amazon** | [Get Server ID](https://www.fastprep.io/problems/1.get-server-id) | [![Practice][p]](https://www.fastprep.io/problems/1.get-server-id) | Aug 05, 2024 | -| **Amazon** | [Get Active Requests Count](https://www.fastprep.io/problems/amazon-get-active-requests-count) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-active-requests-count) | Aug 05, 2024 | -| **Amazon** | [Get Operations](https://www.fastprep.io/problems/amazon-get-operations) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-operations) | Aug 05, 2024 | -| **Salesforce** | [Count Numbers with Unique Digits](https://www.fastprep.io/problems/salesforce-count-numbers-with-unique-digits) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-count-numbers-with-unique-digits) | Aug 05, 2024 | -| **Google** | [Find Max Heart Rate Difference](https://www.fastprep.io/problems/google-find-max-heart-rate-difference) | [![Practice][p]](https://www.fastprep.io/problems/google-find-max-heart-rate-difference) | Aug 05, 2024 | -| **Google** | [Find Palindromes](https://www.fastprep.io/problems/google-find-palindromes) | [![Practice][p]](https://www.fastprep.io/problems/google-find-palindromes) | Aug 05, 2024 | -| **Google** | [Binary Palindromic](https://www.fastprep.io/problems/google-minimum-operations-to-make-binary-palindromic) | [![Practice][p]](https://www.fastprep.io/problems/google-minimum-operations-to-make-binary-palindromic) | Aug 05, 2024 | -| **Google** | [Max Num of Moves with Same Result Sum](https://www.fastprep.io/problems/google-maximum-number-of-moves-with-same-result-sum) | [![Practice][p]](https://www.fastprep.io/problems/google-maximum-number-of-moves-with-same-result-sum) | Aug 05, 2024 | -| **Google** | [Divide Tree Nodes](https://www.fastprep.io/problems/divide-tree-nodes-google) | [![Practice][p]](https://www.fastprep.io/problems/divide-tree-nodes-google) | Aug 05, 2024 | -| **Google** | [Find Consistent Logs](https://www.fastprep.io/problems/google-find-consistent-logs) | [![Practice][p]](https://www.fastprep.io/problems/google-find-consistent-logs) | Aug 05, 2024 | -| **Google** | [Social Meida Friend Recommendation](https://www.fastprep.io/problems/google-social-media-friend-recommendation) | [![Practice][p]](https://www.fastprep.io/problems/google-social-media-friend-recommendation) | Aug 05, 2024 | -| **Uber** | [Calculate Visited Countries](https://www.fastprep.io/problems/uber-calculate-visited-countries) | [![Practice][p]](https://www.fastprep.io/problems/uber-calculate-visited-countries) | Aug 05, 2024 | -| **Akuna** | [Maximum Amount of Profit](https://www.fastprep.io/problems/akuna-maximum-amount-of-profit) | [![Practice][p]](https://www.fastprep.io/problems/akuna-maximum-amount-of-profit) | Aug 05, 2024 | -| **Akuna** | [Max Meetings](https://www.fastprep.io/problems/akuna-max-meetings) | [![Practice][p]](https://www.fastprep.io/problems/akuna-max-meetings) | Aug 05, 2024 | -| **Blackrock** | [Is Happy Number](https://www.fastprep.io/problems/blackrock-is-happy-number) | [![Practice][p]](https://www.fastprep.io/problems/blackrock-is-happy-number) | Aug 05, 2024 | -| **Microsoft** | [Longest Path](https://www.fastprep.io/problems/microsoft-longest-path-with-different-adjacent-characters) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-longest-path-with-different-adjacent-characters) | Aug 05, 2024 | -| **Microsoft** | [Min Order](https://www.fastprep.io/problems/microsoft-reorder-routes-to-make-all-paths-lead-to-the-city-zero) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-reorder-routes-to-make-all-paths-lead-to-the-city-zero) | Aug 05, 2024 | -| **MathWorks** | [Good Strings](https://www.fastprep.io/problems/mathwork-good-strings) | [![Practice][p]](https://www.fastprep.io/problems/mathwork-good-strings) | Aug 05, 2024 | -| **MathWorks** | [Cars Left](https://www.fastprep.io/problems/mathwork-cars-left) | [![Practice][p]](https://www.fastprep.io/problems/mathwork-cars-left) | Aug 05, 2024 | -| **Epam** | [Rob House](https://www.fastprep.io/problems/epam-rob-house) | [![Practice][p]](https://www.fastprep.io/problems/epam-rob-house) | Aug 05, 2024 | -| **Hyper Verge** | [Get String to Remove](https://www.fastprep.io/problems/hyperverge-reach-a-given-number) | [![Practice][p]](https://www.fastprep.io/problems/hyperverge-reach-a-given-number) | Aug 05, 2024 | -| **Onix** | [Get String to Remove](https://www.fastprep.io/problems/onix-get-string-to-remove) | [![Practice][p]](https://www.fastprep.io/problems/onix-get-string-to-remove) | Aug 05, 2024 | -| **SIG** | [Count Triples](https://www.fastprep.io/problems/counting-triples) | [![Practice][p]](https://www.fastprep.io/problems/counting-triples) | Aug 05, 2024 | -| **Amazon** | [Get Minimum Boxes](https://www.fastprep.io/problems/amazon-get-minimum-boxes) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-minimum-boxes) | Jul 25, 2024 | -| **IBM** | [Min Insertion to Balance a Parentheses String](https://www.fastprep.io/problems/ibm-minimum-insertions-to-balance-a-parentheses-string) | [![Practice][p]](https://www.fastprep.io/problems/ibm-minimum-insertions-to-balance-a-parentheses-string) | Jul 25, 2024 | -| **Uber** | [Count L Shapes](https://www.fastprep.io/problems/uber-count-l-shapes) | [![Practice][p]](https://www.fastprep.io/problems/uber-count-l-shapes) | Jul 20, 2024 | -| **Uber** | [Count Elements With At Least One Smaller And One Greater Value](https://www.fastprep.io/problems/uber-count-elements-with-at-least-one-smaller-and-one-greater-value) | [![Practice][p]](https://www.fastprep.io/problems/uber-count-elements-with-at-least-one-smaller-and-one-greater-value) | Jul 20, 2024 | -| **Uber** | [Min Operations To Make Harmonious](https://www.fastprep.io/problems/uber-minimum-operations-to-make-sequence-harmonious) | [![Practice][p]](https://www.fastprep.io/problems/uber-minimum-operations-to-make-sequence-harmonious) | Jul 20, 2024 | -| **Snowflake** | [Get Maximum Sum](https://www.fastprep.io/problems/snowflake-get-maximum-sum) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-get-maximum-sum) | Jul 20, 2024 | -| **Jane Street** | [Transform String](https://www.fastprep.io/problems/janestreet-transform-string) | [![Practice][p]](https://www.fastprep.io/problems/janestreet-transform-string) | Jul 20, 2024 | -| **Amazon** | [Get Min Total Distance](https://www.fastprep.io/problems/1.amazon-get-min-total-distance) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-min-total-distance) | Jul 17, 2024 | -| **Hudson River Trading** | [Buy and Sell Stock](https://www.fastprep.io/problems/hudsonriver-buy-sell-stock) | [![Practice][p]](https://www.fastprep.io/problems/hudsonriver-buy-sell-stock) | Jul 17, 2024 | -| **DE Shaw** | [Make Array Bitonic](https://www.fastprep.io/problems/make-array-bitonic-deshaw) | [![Practice][p]](https://www.fastprep.io/problems/make-array-bitonic-deshaw) | Jul 17, 2024 | -| **Moveworks** | [Number of Balanced Strings](https://www.fastprep.io/problems/moveworks-number-of-balanced-strings) | [![Practice][p]](https://www.fastprep.io/problems/moveworks-number-of-balanced-strings) | Jul 17, 2024 | -| **Moveworks** | [Min Moves to Sort Array](https://www.fastprep.io/problems/moveworks-minimum-moves-to-sort-array) | [![Practice][p]](https://www.fastprep.io/problems/moveworks-minimum-moves-to-sort-array) | Jul 17, 2024 | -| **Moveworks** | [Find Max Number of Strings](https://www.fastprep.io/problems/moveworks-find-maximum-number-of-strings) | [![Practice][p]](https://www.fastprep.io/problems/moveworks-find-maximum-number-of-strings) | Jul 17, 2024 | -| **Moveworks** | [Min Operations to Sort Array](https://www.fastprep.io/problems/moveworks-get-minimum-operations-to-sort-array) | [![Practice][p]](https://www.fastprep.io/problems/moveworks-get-minimum-operations-to-sort-array) | Jul 17, 2024 | -| **Amazon** | [Compute Encoded Product Name](https://www.fastprep.io/problems/amazon-compute-encoded-product-name) | [![Practice][p]](https://www.fastprep.io/problems/amazon-compute-encoded-product-name) | Jul 15, 2024 | -| **Amazon** | [Process Queue](https://www.fastprep.io/problems/amazon-process-queue) | [![Practice][p]](https://www.fastprep.io/problems/amazon-process-queue) | Jul 15, 2024 | -| **Amazon** | [Get Redundant Substrings](https://www.fastprep.io/problems/amazon-get-redundant-substrings) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-redundant-substrings) | Jul 15, 2024 | -| **Blackrock** | [Count Levels](https://www.fastprep.io/problems/blackrock-count-levels) | [![Practice][p]](https://www.fastprep.io/problems/blackrock-count-levels) | Jul 15, 2024 | -| **Pure Storage** | [Shopping and Billing](https://www.fastprep.io/problems/purestorage-count-palindromic-substrings) | [![Practice][p]](https://www.fastprep.io/problems/purestorage-count-palindromic-substrings) | Jul 15, 2024 | -| **Salesforce** | [Least Stressful Path](https://www.fastprep.io/problems/salesforce-least-stressful-path) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-least-stressful-path) | Jul 12, 2024 | -| **Salesforce** | [Same Substring](https://www.fastprep.io/problems/salesforce-same-substring) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-same-substring) | Jul 12, 2024 | -| **Citadel** | [Get Min Operations](https://www.fastprep.io/problems/citadel-get-min-operations) | [![Practice][p]](https://www.fastprep.io/problems/citadel-get-min-operations) | Jul 11, 2024 | -| **JP Morgan** | [Chess Tourment](https://www.fastprep.io/problems/jpmorgan-get-potential-of-winner) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-potential-of-winner) | Jul 10, 2024 | -| **Citadel** | [Count Stable Segments](https://www.fastprep.io/problems/citadel-count-stable-segments) | [![Practice][p]](https://www.fastprep.io/problems/citadel-count-stable-segments) | Jul 10, 2024 | -| **Citadel** | [Find Consistent Logs](https://www.fastprep.io/problems/citadel-find-consistent-logs) | [![Practice][p]](https://www.fastprep.io/problems/citadel-find-consistent-logs) | Jul 10, 2024 | -| **Citadel** | [Get Max Throughput](https://www.fastprep.io/problems/citadel-get-max-throughput) | [![Practice][p]](https://www.fastprep.io/problems/citadel-get-max-throughput) | Jul 10, 2024 | -| **Citadel** | [Get Recommended Friends](https://www.fastprep.io/problems/citadel-get-recommended-friends) | [![Practice][p]](https://www.fastprep.io/problems/citadel-get-recommended-friends) | Jul 10, 2024 | -| **Goldman Sachs** | [Alphanumeric Combinations](https://www.fastprep.io/problems/goldman-alphanumeric-combinations) | [![Practice][p]](https://www.fastprep.io/problems/goldman-alphanumeric-combinations) | Jul 10, 2024 | -| **Amazon** | [Max Consecutive ON Servers](https://www.fastprep.io/problems/amazon-get-max-consecutive-on) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-consecutive-on) | Jul 09, 2024 | -| **Amazon** | [Get Total Requests](https://www.fastprep.io/problems/amazon-get-total-requests) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-total-requests) | Jun 27, 2024 | -| **Uber** | [Find Length of Longest Common Prefix](https://www.fastprep.io/problems/uber-find-length-of-longest-common-prefix) | [![Practice][p]](https://www.fastprep.io/problems/uber-find-length-of-longest-common-prefix) | Jun 27, 2024 | -| **Snowflake** | [Minimum Segment](https://www.fastprep.io/problems/snowflake-minimum-division) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-minimum-division) | Jun 27, 2024 | -| **Cisco** | [Find Critical Nodes](https://www.fastprep.io/problems/cisco-find-critical-nodes) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-critical-nodes) | Jun 27, 2024 | -| **Amazon** | [Maximize Negative Signs](https://www.fastprep.io/problems/maximize-negative-signs) | [![Practice][p]](https://www.fastprep.io/problems/maximize-negative-signs) | Jun 24, 2024 | -| **Adobe** | [Determine the Edit Distance in a Word Ladder](https://www.fastprep.io/problems/adobe-determine-edit-distance-in-word-ladder) | [![Practice][p]](https://www.fastprep.io/problems/adobe-determine-edit-distance-in-word-ladder) | Jun 24, 2024 | -| **Flexport** | [Distinct Moves](https://www.fastprep.io/problems/flexport-distinct-moves) | [![Practice][p]](https://www.fastprep.io/problems/flexport-distinct-moves) | Jun 24, 2024 | -| **Flexport** | [Maximum Edges](https://www.fastprep.io/problems/flexport-get-maximum-edges) | [![Practice][p]](https://www.fastprep.io/problems/flexport-get-maximum-edges) | Jun 24, 2024 | -| **WeWork** | [Meeting Room](https://www.fastprep.io/problems/wework-meeting-room) | [![Practice][p]](https://www.fastprep.io/problems/wework-meeting-room) | Jun 24, 2024 | -| **WeWork** | [Shopping and Billing](https://www.fastprep.io/problems/wework-shopping-and-billing) | [![Practice][p]](https://www.fastprep.io/problems/wework-shopping-and-billing) | Jun 24, 2024 | -| **Salesforce** | [Count Substrings](https://www.fastprep.io/problems/salesforce-count-substrings) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-count-substrings) | Jun 20, 2024 | -| **Salesforce** | [Count Min Operations to Reduce Dimensions](https://www.fastprep.io/problems/salesforce-count-minimum-operations-to-reduce-dimensions) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-count-minimum-operations-to-reduce-dimensions) | Jun 20, 2024 | -| **IBM** | [Min Chairs](https://www.fastprep.io/problems/ibm-min-chairs) | [![Practice][p]](https://www.fastprep.io/problems/ibm-min-chairs) | Jun 20, 2024 | -| **Microsoft** | [Get Alphabetically Smallest String](https://www.fastprep.io/problems/microsoft-get-alphabetically-smallest-string) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-get-alphabetically-smallest-string) | Jun 20, 2024 | -| **Paypal** | [Modify Array](https://www.fastprep.io/problems/paypal-modify-array) | [![Practice][p]](https://www.fastprep.io/problems/paypal-modify-array) | Jun 20, 2024 | -| **Xperi** | [Make Numbers Equal](https://www.fastprep.io/problems/xperi-make-numbers-equal) | [![Practice][p]](https://www.fastprep.io/problems/xperi-make-numbers-equal) | Jun 20, 2024 | -| **Xperi** | [Count Integer Sequences](https://www.fastprep.io/problems/xperi-count-integer-sequences) | [![Practice][p]](https://www.fastprep.io/problems/xperi-count-integer-sequences) | Jun 20, 2024 | -| **Amazon** | [Maximum Stability](https://www.fastprep.io/problems/amazon-maximum-stability) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-stability) | Jun 15, 2024 | -| **Amazon** | [Is Regex Matching](https://www.fastprep.io/problems/amazon-is-regex-matching) | [![Practice][p]](https://www.fastprep.io/problems/amazon-is-regex-matching) | Jun 15, 2024 | -| **Uber** | [Word Pairs](https://www.fastprep.io/problems/uber-word-pairs) | [![Practice][p]](https://www.fastprep.io/problems/uber-word-pairs) | Jun 15, 2024 | -| **Uber** | [Bus Time](https://www.fastprep.io/problems/uber-bus-time) | [![Practice][p]](https://www.fastprep.io/problems/uber-bus-time) | Jun 15, 2024 | -| **IBM** | [Find Arrangement](https://www.fastprep.io/problems/ibm-find-arrangements) | [![Practice][p]](https://www.fastprep.io/problems/ibm-find-arrangements) | Jun 15, 2024 | -| **Microsoft** | [Skycraper](https://www.fastprep.io/problems/microsoft-skyscraper) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-skyscraper) | Jun 15, 2024 | -| **Microsoft** | [Min Num Cells](https://www.fastprep.io/problems/microsoft-min-num-letters) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-min-num-letters) | Jun 15, 2024 | -| **Microsoft** | [Maximum Cells](https://www.fastprep.io/problems/microsoft-maximum-cells) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-cells) | Jun 15, 2024 | -| **Amazon** | [Maximize Subtree Product](https://www.fastprep.io/problems/amazon-maximize-subtree-product) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-subtree-product) | Jun 10, 2024 | -| **Amazon** | [Bring Servers Down](https://www.fastprep.io/problems/amazon-bring-servers-down) | [![Practice][p]](https://www.fastprep.io/problems/amazon-bring-servers-down) | Jun 10, 2024 | -| **Snowflake** | [Search Strings](https://www.fastprep.io/problems/snowflake-get-maximum-removals) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-get-maximum-removals) | Jun 10, 2024 | -| **Amazon** | [Optimizing Box Weights](https://www.fastprep.io/problems/amazon-minimal-heaviest-set-a) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimal-heaviest-set-a) | Jun 02, 2024 | -| **Amazon** | [Find K Level Permutation](https://www.fastprep.io/problems/amazon-find-k-level-permutation) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-k-level-permutation) | Jun 02, 2024 | -| **Salesforce** | [Winning Square](https://www.fastprep.io/problems/salesforce-construct-winning-sequence) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-construct-winning-sequence) | Jun 02, 2024 | -| **Google** | [Max Subarray Filled with Zeros](https://www.fastprep.io/problems/google-max-subarray-filled-with-zeros) | [![Practice][p]](https://www.fastprep.io/problems/google-max-subarray-filled-with-zeros) | Jun 02, 2024 | -| **Google** | [Find Last Characters](https://www.fastprep.io/problems/google-find-last-character) | [![Practice][p]](https://www.fastprep.io/problems/google-find-last-character) | Jun 02, 2024 | -| **Microsoft** | [Longest Spike](https://www.fastprep.io/problems/microsoft-the-longest-spike) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-the-longest-spike) | Jun 02, 2024 | -| **Google** | [Find Min Possible Diameter](https://www.fastprep.io/problems/google-find-minimum-possible-diameter) | [![Practice][p]](https://www.fastprep.io/problems/google-find-minimum-possible-diameter) | May 31, 2024 | -| **Google** | [Search Suggestions System](https://www.fastprep.io/problems/1.google-search-suggestions-system) | [![Practice][p]](https://www.fastprep.io/problems/1.google-search-suggestions-system) | May 25, 2024 | -| **Google** | [Minimum Flips to Alternate Binary String (With K Flip Window)](https://www.fastprep.io/problems/1.google-minimum-flips-to-alternate-binary-string) | [![Practice][p]](https://www.fastprep.io/problems/1.google-minimum-flips-to-alternate-binary-string) | May 25, 2024 | -| **Google** | [Generate Pattern Matching Strings](https://www.fastprep.io/problems/google-generate-pattern-matching-strings) | [![Practice][p]](https://www.fastprep.io/problems/google-generate-pattern-matching-strings) | May 25, 2024 | -| **Goldman Sachs** | [Find the Damaged Toy](https://www.fastprep.io/problems/goldman-find-the-damaged-toy) | [![Practice][p]](https://www.fastprep.io/problems/goldman-find-the-damaged-toy) | May 25, 2024 | -| **Goldman Sachs** | [Encode or Decode Message](https://www.fastprep.io/problems/goldman-encode-or-decode-message) | [![Practice][p]](https://www.fastprep.io/problems/goldman-encode-or-decode-message) | May 25, 2024 | -| **Cisco** | [Flight Path Package Drop](https://www.fastprep.io/problems/cisco-maximum-drop-points-cover) | [![Practice][p]](https://www.fastprep.io/problems/cisco-maximum-drop-points-cover) | May 25, 2024 | -| **Postman** | [Encode and Decode a String Stream](https://www.fastprep.io/problems/postman-transform-string-stream) | [![Practice][p]](https://www.fastprep.io/problems/postman-transform-string-stream) | May 17, 2024 | -| **Amazon** | [Get Experience](https://www.fastprep.io/problems/amazon-get-exp) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-exp) | May 13, 2024 | -| **Uber** | [Maximize XOR for Each Query](https://www.fastprep.io/problems/uber-maximum-xor-for-each-query) | [![Practice][p]](https://www.fastprep.io/problems/uber-maximum-xor-for-each-query) | May 13, 2024 | -| **Microsoft** | [Find Min Num Moves](https://www.fastprep.io/problems/microsoft-find-min-num-moves) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-find-min-num-moves) | May 13, 2024 | -| **Flexport** | [Count Good Subsequence](https://www.fastprep.io/problems/flexport-count-good-subsequences) | [![Practice][p]](https://www.fastprep.io/problems/flexport-count-good-subsequences) | May 13, 2024 | -| **Flexport** | [Throw the Ball](https://www.fastprep.io/problems/flexport-throw-the-ball) | [![Practice][p]](https://www.fastprep.io/problems/flexport-throw-the-ball) | May 13, 2024 | -| **DE Shaw** | [Get Min Cost](https://www.fastprep.io/problems/deshaw-get-minimum-cost) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-get-minimum-cost) | May 10, 2024 | -| **DE Shaw** | [Find Num of Interesting Pairs](https://www.fastprep.io/problems/deshaw-find-number-of-interesting-pairs) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-find-number-of-interesting-pairs) | May 10, 2024 | -| **Meta** | [ All About Cave ](https://www.fastprep.io/problems/mt-cave) | [![Practice][p]](https://www.fastprep.io/problems/mt-cave) | May 06, 2024 | -| **Amazon** | [Ordered Confirguration](https://www.fastprep.io/problems/amazon-orda-layout) | [![Practice][p]](https://www.fastprep.io/problems/amazon-orda-layout) | May 04, 2024 | -| **Microsoft** | [Assign Value](https://www.fastprep.io/problems/microsoft-assign-values) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-assign-values) | May 04, 2024 | -| **Microsoft** | [Construct Max Balanced Circle](https://www.fastprep.io/problems/microsoft-construct-maximum-balanced-circle) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-construct-maximum-balanced-circle) | May 04, 2024 | -| **Microsoft** | [Find Suitable Locations](https://www.fastprep.io/problems/findSuitableLocations-microsoft) | [![Practice][p]](https://www.fastprep.io/problems/findSuitableLocations-microsoft) | May 04, 2024 | -| **IBM** | [Get Optimal String Length](https://www.fastprep.io/problems/ibm-get-optimal-string-length) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-optimal-string-length) | Apr 27, 2024 | -| **DE Shaw** | [Maximum Size Subarray Sum](https://www.fastprep.io/problems/deshaw-maximum-size-subarray-sum) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-maximum-size-subarray-sum) | Apr 27, 2024 | -| **Nutanix** | [Minimum Operations to Convert Array](https://www.fastprep.io/problems/nutanix-minimum-operations-to-convert-array) | [![Practice][p]](https://www.fastprep.io/problems/nutanix-minimum-operations-to-convert-array) | Apr 27, 2024 | -| **Canva** | [Character Reprogramming](https://www.fastprep.io/problems/canva-character-reprogramming) | [![Practice][p]](https://www.fastprep.io/problems/canva-character-reprogramming) | Apr 27, 2024 | -| **Canva** | [Order Check](https://www.fastprep.io/problems/canva-count-students) | [![Practice][p]](https://www.fastprep.io/problems/canva-count-students) | Apr 27, 2024 | -| **Canva** | [Counting Binary Substrings](https://www.fastprep.io/problems/canva-counting) | [![Practice][p]](https://www.fastprep.io/problems/canva-counting) | Apr 27, 2024 | -| **SpaceX** | [Starlink Beam Planner](https://www.fastprep.io/problems/spacex-starlink-beam-planner) | [![Practice][p]](https://www.fastprep.io/problems/spacex-starlink-beam-planner) | Apr 25, 2024 | -| **TikTok** | [Maximum Shown Segments](https://www.fastprep.io/problems/tiktok-max-shown-segments) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-max-shown-segments) | Apr 23, 2024 | -| **Snowflake** | [Airport Limousine](https://www.fastprep.io/problems/snowflake-maximum-passengers-collected) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-maximum-passengers-collected) | Apr 22, 2024 | -| **Snowflake** | [Task Master](https://www.fastprep.io/problems/1.snowflake-tasks) | [![Practice][p]](https://www.fastprep.io/problems/1.snowflake-tasks) | Apr 21, 2024 | -| **DE Shaw** | [Calculate Region](https://www.fastprep.io/problems/deshaw-calculate-total-region) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-calculate-total-region) | Apr 20, 2024 | -| **DE Shaw** | [Perfect Break](https://www.fastprep.io/problems/deshaw-perfect-break) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-perfect-break) | Apr 19, 2024 | -| **JP Morgan** | [Find Min Cost](https://www.fastprep.io/problems/jpmorgan-find-minimum-cost) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-find-minimum-cost) | Apr 16, 2024 | -| **Microsoft** | [Min Str without Reapting Chars](https://www.fastprep.io/problems/microsoft-minimum-substrings-without-repeating-characters) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-substrings-without-repeating-characters) | Apr 16, 2024 | -| **Microsoft** | [Frog Game](https://www.fastprep.io/problems/microsoft-frog-game) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-frog-game) | Apr 16, 2024 | -| **Wayfair** | [Smash Bricks](https://www.fastprep.io/problems/wayfair-smash-the-bricks) | [![Practice][p]](https://www.fastprep.io/problems/wayfair-smash-the-bricks) | Apr 16, 2024 | -| **Wayfair** | [Validate Magical Binary String](https://www.fastprep.io/problems/wayfair-validating-magical-binary-strings-with-regex) | [![Practice][p]](https://www.fastprep.io/problems/wayfair-validating-magical-binary-strings-with-regex) | Apr 16, 2024 | -| **Nutanix** | [No Adjacent Characters](https://www.fastprep.io/problems/nutanix-no-adjacent-characters) | [![Practice][p]](https://www.fastprep.io/problems/nutanix-no-adjacent-characters) | Apr 16, 2024 | -| **Amazon** | [Find Median Of Subarray Uniqueness](https://www.fastprep.io/problems/find-median-of-subarray-uniqueness) | [![Practice][p]](https://www.fastprep.io/problems/find-median-of-subarray-uniqueness) | Apr 15, 2024 | -| **Amazon** | [Max Negation](https://www.fastprep.io/problems/amazon-maximize-the-array-sum-after-negating-at-most-k-elements) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-the-array-sum-after-negating-at-most-k-elements) | Apr 12, 2024 | -| **Amazon** | [Get Min Time](https://www.fastprep.io/problems/amazon-get-min-time) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-time) | Apr 12, 2024 | -| **Amazon** | [Kth Smallest in Subarray](https://www.fastprep.io/problems/amazon-kth-smallest-in-subarray) | [![Practice][p]](https://www.fastprep.io/problems/amazon-kth-smallest-in-subarray) | Apr 12, 2024 | -| **Amazon** | [Get K Rep Value](https://www.fastprep.io/problems/1.amazon-get-k-rep-value) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-k-rep-value) | Apr 12, 2024 | -| **Amazon** | [Get Max Pairs](https://www.fastprep.io/problems/amazon-get-max-pairs) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-pairs) | Apr 12, 2024 | -| **Amazon** | [Count Pairs](https://www.fastprep.io/problems/amazon-count-pairs) | [![Practice][p]](https://www.fastprep.io/problems/amazon-count-pairs) | Apr 12, 2024 | -| **JP Morgan** | [Max Information](https://www.fastprep.io/problems/jpmorgan-maximum-information) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-maximum-information) | Apr 10, 2024 | -| **JP Morgan** | [Num of Pairs](https://www.fastprep.io/problems/jpmorgan-find-num-of-pairs) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-find-num-of-pairs) | Apr 10, 2024 | -| **TikTok** | [Max Engagement](https://www.fastprep.io/problems/tiktok-find-maximum-engagement) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-find-maximum-engagement) | Apr 10, 2024 | -| **MathWorks** | [Max Operations](https://www.fastprep.io/problems/mathwork-maximum-number-of-operations-on-string) | [![Practice][p]](https://www.fastprep.io/problems/mathwork-maximum-number-of-operations-on-string) | Apr 10, 2024 | -| **MathWorks** | [Max Even Sum Subsequence](https://www.fastprep.io/problems/mathwork-maximum-even-sum-subsequence) | [![Practice][p]](https://www.fastprep.io/problems/mathwork-maximum-even-sum-subsequence) | Apr 10, 2024 | -| **MathWorks** | [Find Min Possible Size](https://www.fastprep.io/problems/mathwork-find-minimum-possible-size) | [![Practice][p]](https://www.fastprep.io/problems/mathwork-find-minimum-possible-size) | Apr 10, 2024 | -| **Amazon** | [Channel Max Quality](https://www.fastprep.io/problems/amazon-calculate-median-sum) | [![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-median-sum) | Apr 09, 2024 | -| **Amazon** | [Num of Idle Robots 🐳](https://www.fastprep.io/problems/1.amazon-num-idle-drives) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-num-idle-drives) | Apr 08, 2024 | -| **Google** | [Split and Sort](https://www.fastprep.io/problems/google-split-and-sort) | [![Practice][p]](https://www.fastprep.io/problems/google-split-and-sort) | Apr 08, 2024 | -| **Barclays** | [Mim Steps Required](https://www.fastprep.io/problems/barclay-minimum-steps-required) | [![Practice][p]](https://www.fastprep.io/problems/barclay-minimum-steps-required) | Apr 08, 2024 | -| **Confluent** | [Get Best Price](https://www.fastprep.io/problems/confluent-get-best-price) | [![Practice][p]](https://www.fastprep.io/problems/confluent-get-best-price) | Apr 08, 2024 | -| **Amazon** | [Find Earliest Month](https://www.fastprep.io/problems/1.amazon-find-earliest-month) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-earliest-month) | Apr 07, 2024 | -| **Amazon** | [Get Max Points from Sprints](https://www.fastprep.io/problems/1.get-max-points-from-sprints) | [![Practice][p]](https://www.fastprep.io/problems/1.get-max-points-from-sprints) | Apr 07, 2024 | -| **Amazon** | [Max Lucky Numbers](https://www.fastprep.io/problems/max-lucky-numbers) | [![Practice][p]](https://www.fastprep.io/problems/max-lucky-numbers) | Apr 07, 2024 | -| **Amazon** | [Max Total Area](https://www.fastprep.io/problems/1.amazon-get-max-total-area) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-max-total-area) | Apr 07, 2024 | -| **Infosys** | [Find Num of Good Subsequences](https://www.fastprep.io/problems/infosys-find-number-of-good-subsequences) | [![Practice][p]](https://www.fastprep.io/problems/infosys-find-number-of-good-subsequences) | Apr 07, 2024 | -| **Microsoft** | [Max Sum After Merges](https://www.fastprep.io/problems/microsoft-maximum-sum-after-merges) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-sum-after-merges) | Apr 07, 2024 | -| **Amazon** | [Minimum Operations to Make Array Elements Zero ](https://www.fastprep.io/problems/1.amazon-minimum-operations-to-make-array-elements-zero) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-minimum-operations-to-make-array-elements-zero) | Apr 06, 2024 | -| **Amazon** | [Find Kth Minimum Vulnerability ](https://www.fastprep.io/problems/amazon-find-kth-minimum-vulnerability) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-kth-minimum-vulnerability) | Apr 05, 2024 | -| **MathWorks** | [Max Beauty](https://www.fastprep.io/problems/mathwork-maximize-beauty) | [![Practice][p]](https://www.fastprep.io/problems/mathwork-maximize-beauty) | Apr 05, 2024 | -| **MathWorks** | [Investable Periods](https://www.fastprep.io/problems/mathwork-count-investable-periods) | [![Practice][p]](https://www.fastprep.io/problems/mathwork-count-investable-periods) | Apr 05, 2024 | -| **Alarm.com** | [Arrange Coins](https://www.fastprep.io/problems/alarm-arrange-coins) | [![Practice][p]](https://www.fastprep.io/problems/alarm-arrange-coins) | Apr 05, 2024 | -| **Alarm.com** | [Days Since Last Login](https://www.fastprep.io/problems/alarm-days-since-last-login) | [![Practice][p]](https://www.fastprep.io/problems/alarm-days-since-last-login) | Apr 05, 2024 | -| **Amazon** | [Max Aggregate Temp Change](https://www.fastprep.io/problems/amazon-get-max-aggregate-temperature-change) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-aggregate-temperature-change) | Mar 31, 2024 | -| **Google** | [Min Flips](https://www.fastprep.io/problems/google-min-flips-make-grid-palindrome) | [![Practice][p]](https://www.fastprep.io/problems/google-min-flips-make-grid-palindrome) | Mar 31, 2024 | -| **Google** | [Mnimize Total Time](https://www.fastprep.io/problems/google-minimize-total-time) | [![Practice][p]](https://www.fastprep.io/problems/google-minimize-total-time) | Mar 31, 2024 | -| **Infosys** | [Unique Elements After Modification](https://www.fastprep.io/problems/infosys-number-of-unique-elements-after-modifications) | [![Practice][p]](https://www.fastprep.io/problems/infosys-number-of-unique-elements-after-modifications) | Mar 31, 2024 | -| **IBM** | [Latest K Requests](https://www.fastprep.io/problems/ibm-get-latest-k-requests) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-latest-k-requests) | Mar 31, 2024 | -| **Microsoft** | [Handmade Items](https://www.fastprep.io/problems/microsoft-handmade-item) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-handmade-item) | Mar 31, 2024 | -| **Microsoft** | [Cover Hotels](https://www.fastprep.io/problems/microsoft-cover-holes) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-cover-holes) | Mar 31, 2024 | -| **Google** | [Nearest Value Replacement](https://www.fastprep.io/problems/google-nearest-value-replacement) | [![Practice][p]](https://www.fastprep.io/problems/google-nearest-value-replacement) | Mar 29, 2024 | -| **Amazon** | [Merge Interval](https://www.fastprep.io/problems/amazon-merge-intervals) | [![Practice][p]](https://www.fastprep.io/problems/amazon-merge-intervals) | Mar 28, 2024 | -| **Google** | [Min Operations](https://www.fastprep.io/problems/google-minimum-number-of-split-operations-to-make-array-sorted) | [![Practice][p]](https://www.fastprep.io/problems/google-minimum-number-of-split-operations-to-make-array-sorted) | Mar 28, 2024 | -| **SpaceX** | [Monster Registry](https://www.fastprep.io/problems/spacex-monster-registry) | [![Practice][p]](https://www.fastprep.io/problems/spacex-monster-registry) | Mar 28, 2024 | -| **Amazon** | [Maximize Negative PNL Months](https://www.fastprep.io/problems/1.amazon-maximize-negative-pnl_months) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-maximize-negative-pnl_months) | Mar 27, 2024 | -| **Amazon** | [Reduce Gifts](https://www.fastprep.io/problems/1.amazon-reduce-gifts) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-reduce-gifts) | Mar 27, 2024 | -| **Google** | [Can Fit Word](https://www.fastprep.io/problems/google-can-fit-the-word) | [![Practice][p]](https://www.fastprep.io/problems/google-can-fit-the-word) | Mar 27, 2024 | -| **TikTok** | [Server Investment](https://www.fastprep.io/problems/tiktok-maximize-upgraded-servers) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-maximize-upgraded-servers) | Mar 27, 2024 | -| **TikTok** | [Auth System](https://www.fastprep.io/problems/tiktok-get-unexpired-tokens) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-get-unexpired-tokens) | Mar 27, 2024 | -| **Salesforce** | [Plan Cut](https://www.fastprep.io/problems/salesforce-plan-cuts) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-plan-cuts) | Mar 26, 2024 | -| **Google** | [Is Balanced String](https://www.fastprep.io/problems/google-is-balanced-string) | [![Practice][p]](https://www.fastprep.io/problems/google-is-balanced-string) | Mar 26, 2024 | -| **Cisco** | [Check Alphabetical Order](https://www.fastprep.io/problems/cisco-check-alphabetical-order) | [![Practice][p]](https://www.fastprep.io/problems/cisco-check-alphabetical-order) | Mar 26, 2024 | -| **Cisco** | [Find Number](https://www.fastprep.io/problems/cisco-find-number) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-number) | Mar 26, 2024 | -| **Cisco** | [Longest Palindrome](https://www.fastprep.io/problems/cisco-find-longest-palindromic-substring) | [![Practice][p]](https://www.fastprep.io/problems/cisco-find-longest-palindromic-substring) | Mar 26, 2024 | -| **Paypal** | [Min Operations](https://www.fastprep.io/problems/paypal-count-minimum-operations) | [![Practice][p]](https://www.fastprep.io/problems/paypal-count-minimum-operations) | Mar 26, 2024 | -| **Paypal** | [User Logins](https://www.fastprep.io/problems/paypal-count-user-logins) | [![Practice][p]](https://www.fastprep.io/problems/paypal-count-user-logins) | Mar 26, 2024 | -| **Uber** | [Output All Possible Strings](https://www.fastprep.io/problems/uber-output-all-possible-strings) | [![Practice][p]](https://www.fastprep.io/problems/uber-output-all-possible-strings) | Mar 25, 2024 | -| **Uber** | [Generate Arrays](https://www.fastprep.io/problems/uber-generate-array) | [![Practice][p]](https://www.fastprep.io/problems/uber-generate-array) | Mar 25, 2024 | -| **Uber** | [Top 2 Teams](https://www.fastprep.io/problems/uber-find-top-two-teams) | [![Practice][p]](https://www.fastprep.io/problems/uber-find-top-two-teams) | Mar 25, 2024 | -| **TikTok** | [Maximize Consecutive Dance Moves](https://www.fastprep.io/problems/tiktok-maximize-consecutive-dance-moves) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-maximize-consecutive-dance-moves) | Mar 25, 2024 | -| **Salesforce** | [Find Longest Subsequence Common To X As Substring In Y](https://www.fastprep.io/problems/salesforce-find-longest-subsequence-common-to-x-as-substring-in-y) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-find-longest-subsequence-common-to-x-as-substring-in-y) | Mar 23, 2024 | -| **Salesforce** | [Find Word sNot In Subsequence](https://www.fastprep.io/problems/salesforce-find-words-in-string-not-in-subsequence) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-find-words-in-string-not-in-subsequence) | Mar 23, 2024 | -| **Salesforce** | [Tool Changer](https://www.fastprep.io/problems/salesforce-split-array-largest-sum) | [![Practice][p]](https://www.fastprep.io/problems/salesforce-split-array-largest-sum) | Mar 22, 2024 | -| **Google** | [Find Max Length of Subsequence](https://www.fastprep.io/problems/google-find-max-length-of-subsequence) | [![Practice][p]](https://www.fastprep.io/problems/google-find-max-length-of-subsequence) | Mar 22, 2024 | -| **Trade Desk** | [Narrative Words](https://www.fastprep.io/problems/tdesk-narrative-words) | [![Practice][p]](https://www.fastprep.io/problems/tdesk-narrative-words) | Mar 21, 2024 | -| **Trade Desk** | [Last to Be Checked](https://www.fastprep.io/problems/tdesk-last-to-be-checked) | [![Practice][p]](https://www.fastprep.io/problems/tdesk-last-to-be-checked) | Mar 21, 2024 | -| **Trade Desk** | [Buddies Greater Than Target](https://www.fastprep.io/problems/tdesk-buddies-greater-than-threshold) | [![Practice][p]](https://www.fastprep.io/problems/tdesk-buddies-greater-than-threshold) | Mar 21, 2024 | -| **Trade Desk** | [Earn The Most](https://www.fastprep.io/problems/tdesk-about-profit) | [![Practice][p]](https://www.fastprep.io/problems/tdesk-about-profit) | Mar 21, 2024 | -| **Trade Desk** | [Light Sources](https://www.fastprep.io/problems/tdesk-about-lamps) | [![Practice][p]](https://www.fastprep.io/problems/tdesk-about-lamps) | Mar 21, 2024 | -| **Trade Desk** | [Flights](https://www.fastprep.io/problems/tdesk-flights) | [![Practice][p]](https://www.fastprep.io/problems/tdesk-flights) | Mar 21, 2024 | -| **Trade Desk** | [Friend List](https://www.fastprep.io/problems/tdesk-friend-list) | [![Practice][p]](https://www.fastprep.io/problems/tdesk-friend-list) | Mar 21, 2024 | -| **DoorDash** | [Find Different Value](https://www.fastprep.io/problems/doordash-find-difference-value) | [![Practice][p]](https://www.fastprep.io/problems/doordash-find-difference-value) | Mar 20, 2024 | -| **IBM** | [Elementary School](https://www.fastprep.io/problems/ibm-elementary-school) | [![Practice][p]](https://www.fastprep.io/problems/ibm-elementary-school) | Mar 20, 2024 | -| **Goldman Sachs** | [Find Niceness](https://www.fastprep.io/problems/goldman-find-niceness) | [![Practice][p]](https://www.fastprep.io/problems/goldman-find-niceness) | Mar 20, 2024 | -| **IXL Learning** | [Card Packets](https://www.fastprep.io/problems/ixl-card-packets) | [![Practice][p]](https://www.fastprep.io/problems/ixl-card-packets) | Mar 20, 2024 | -| **IXL Learning** | [Count Max](https://www.fastprep.io/problems/ixl-count-max) | [![Practice][p]](https://www.fastprep.io/problems/ixl-count-max) | Mar 20, 2024 | -| **IXL Learning** | [Get Min Difference](https://www.fastprep.io/problems/ixl-get-minimum-difference) | [![Practice][p]](https://www.fastprep.io/problems/ixl-get-minimum-difference) | Mar 20, 2024 | -| **IXL Learning** | [Prison](https://www.fastprep.io/problems/ixl-prison) | [![Practice][p]](https://www.fastprep.io/problems/ixl-prison) | Mar 20, 2024 | -| **Amazon** | [Count Faults (Faulty Binding 101 😁)](https://www.fastprep.io/problems/amazon-count-faults) | [![Practice][p]](https://www.fastprep.io/problems/amazon-count-faults) | Mar 19, 2024 | -| **Amazon** | [Find Max Num](https://www.fastprep.io/problems/amazon-find-maximum-num) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-maximum-num) | Mar 19, 2024 | -| **Wolverine Trading** | [Count Operations](https://www.fastprep.io/problems/wolverine-trading-count-operations) | [![Practice][p]](https://www.fastprep.io/problems/wolverine-trading-count-operations) | Mar 19, 2024 | -| **Wolverine Trading** | [Encode](https://www.fastprep.io/problems/wolverine-trading-decode) | [![Practice][p]](https://www.fastprep.io/problems/wolverine-trading-decode) | Mar 19, 2024 | -| **Wolverine Trading** | [Max Shared](https://www.fastprep.io/problems/wolverine-trading-max-shared) | [![Practice][p]](https://www.fastprep.io/problems/wolverine-trading-max-shared) | Mar 19, 2024 | -| **Amazon** | [Minimize Sum of Absolute Differences](https://www.fastprep.io/problems/amazon-minimize-sum-of-absolute-differences) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimize-sum-of-absolute-differences) | Mar 18, 2024 | -| **DoorDash** | [Adjust Prices](https://www.fastprep.io/problems/doordash-adjust-prices) | [![Practice][p]](https://www.fastprep.io/problems/doordash-adjust-prices) | Mar 18, 2024 | -| **Two Sigma** | [Num to Be Divided by N](https://www.fastprep.io/problems/ts-nums-that-can-be-divided-by-n) | [![Practice][p]](https://www.fastprep.io/problems/ts-nums-that-can-be-divided-by-n) | Mar 18, 2024 | -| **Two Sigma** | [Replacing Val](https://www.fastprep.io/problems/ts-replacing-num) | [![Practice][p]](https://www.fastprep.io/problems/ts-replacing-num) | Mar 18, 2024 | -| **Microsoft** | [Prepare Notification](https://www.fastprep.io/problems/microsoft-prepare-notification) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-prepare-notification) | Mar 18, 2024 | -| **Microsoft** | [Side Largest Square](https://www.fastprep.io/problems/microsoft-side-largest-square) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-side-largest-square) | Mar 18, 2024 | -| **Microsoft** | [Str with Longgest Len](https://www.fastprep.io/problems/microsoft-str-with-longest-len) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-str-with-longest-len) | Mar 18, 2024 | -| **Geneva Trading** | [Min Num of Permutation Operations](https://www.fastprep.io/problems/geneva-trading-minimum-number-of-permutation-operations) | [![Practice][p]](https://www.fastprep.io/problems/geneva-trading-minimum-number-of-permutation-operations) | Mar 18, 2024 | -| **ServiceNow** | [Max Sum of Balanced Sequence](https://www.fastprep.io/problems/service-now-maximum-sum-of-balanced-subsequence) | [![Practice][p]](https://www.fastprep.io/problems/service-now-maximum-sum-of-balanced-subsequence) | Mar 18, 2024 | -| **ServiceNow** | [Find Max Min Val Using K Elements](https://www.fastprep.io/problems/service-now-find-max-minimum-value-using-k-elements) | [![Practice][p]](https://www.fastprep.io/problems/service-now-find-max-minimum-value-using-k-elements) | Mar 18, 2024 | -| **General Motors** | [Prepare Notification](https://www.fastprep.io/problems/general-motors-prepare-notification) | [![Practice][p]](https://www.fastprep.io/problems/general-motors-prepare-notification) | Mar 17, 2024 | -| **General Motors** | [Smallest But Greater](https://www.fastprep.io/problems/gms-find-the-tinest-greater-than-a-specifc-num) | [![Practice][p]](https://www.fastprep.io/problems/gms-find-the-tinest-greater-than-a-specifc-num) | Mar 17, 2024 | -| **Microsoft** | [Cleaning Bot (Microsoft India)](https://www.fastprep.io/problems/microsoft-cleaning-bot) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-cleaning-bot) | Mar 16, 2024 | -| **Morgan Stanley** | [Get Subsequence Count](https://www.fastprep.io/problems/stanley-get-subsequence-count) | [![Practice][p]](https://www.fastprep.io/problems/stanley-get-subsequence-count) | Mar 16, 2024 | -| **Amazon** | [Find Overlapping Times](https://www.fastprep.io/problems/1.amazon-find-overlapping-times) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-overlapping-times) | Mar 15, 2024 | -| **Amazon** | [Match Strings](https://www.fastprep.io/problems/amazon-match-strings) | [![Practice][p]](https://www.fastprep.io/problems/amazon-match-strings) | Mar 14, 2024 | -| **DoorDash** | [Sizes of Friend Groups](https://www.fastprep.io/problems/doordash-get-sizes-of-friends-groups) | [![Practice][p]](https://www.fastprep.io/problems/doordash-get-sizes-of-friends-groups) | Mar 14, 2024 | -| **TikTok** | [Minimum Buckets](https://www.fastprep.io/problems/tiktok-minimum-buckets) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-minimum-buckets) | Mar 13, 2024 | -| **TikTok** | [URL Hashing](https://www.fastprep.io/problems/tiktok-url-hashing) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-url-hashing) | Mar 13, 2024 | -| **TikTok** | [Three Knights](https://www.fastprep.io/problems/tiktok-find-the-number-of-possible-placements-for-the-three-knights) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-find-the-number-of-possible-placements-for-the-three-knights) | Mar 13, 2024 | -| **IBM** | [Arr Subsets](https://www.fastprep.io/problems/ibm-subset-a) | [![Practice][p]](https://www.fastprep.io/problems/ibm-subset-a) | Mar 13, 2024 | -| **IBM** | [Table of Contents](https://www.fastprep.io/problems/ibm-table-of-contents) | [![Practice][p]](https://www.fastprep.io/problems/ibm-table-of-contents) | Mar 13, 2024 | -| **Amazon** | [Num of Possible Unique Strings](https://www.fastprep.io/problems/amazon-find-number-of-possible-unique-strings) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-number-of-possible-unique-strings) | Mar 12, 2024 | -| **Amazon** | [Find Encrypted Password](https://www.fastprep.io/problems/amazon-find-encrypted-password) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-encrypted-password) | Mar 12, 2024 | -| **Amazon** | [Maximum Number of Balanced Shipments](https://www.fastprep.io/problems/1.amazon-maximum-number-of-shipments) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-maximum-number-of-shipments) | Mar 09, 2024 | -| **Amazon** | [Lexicographically Smallest Palindrome Possible](https://www.fastprep.io/problems/amazon-lexicographically-smallest-palindrome-possible) | [![Practice][p]](https://www.fastprep.io/problems/amazon-lexicographically-smallest-palindrome-possible) | Mar 09, 2024 | -| **Amazon** | [Find Min Pages Per Day](https://www.fastprep.io/problems/1.find-minimum-pages-per-day) | [![Practice][p]](https://www.fastprep.io/problems/1.find-minimum-pages-per-day) | Mar 09, 2024 | -| **IBM** | [Get Potential of Winners](https://www.fastprep.io/problems/ibm-get-potential-of-winner) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-potential-of-winner) | Mar 09, 2024 | -| **DE Shaw** | [Cop](https://www.fastprep.io/problems/deshaw-min-acquire-cost) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-min-acquire-cost) | Mar 09, 2024 | -| **Atlassian** | [Flower Bouquets](https://www.fastprep.io/problems/atlanssian-flower-bouquets) | [![Practice][p]](https://www.fastprep.io/problems/atlanssian-flower-bouquets) | Mar 09, 2024 | -| **Atlassian** | [Better Compression](https://www.fastprep.io/problems/atlanssian-better-compression) | [![Practice][p]](https://www.fastprep.io/problems/atlanssian-better-compression) | Mar 09, 2024 | -| **Atlassian** | [Romanizer](https://www.fastprep.io/problems/atlanssian-romanizer) | [![Practice][p]](https://www.fastprep.io/problems/atlanssian-romanizer) | Mar 09, 2024 | -| **Braze** | [Find Lowest Price](https://www.fastprep.io/problems/braze-find-lowest-price) | [![Practice][p]](https://www.fastprep.io/problems/braze-find-lowest-price) | Mar 09, 2024 | -| **Zscaler** | [Count Sentences](https://www.fastprep.io/problems/zscaler-count-sentences) | [![Practice][p]](https://www.fastprep.io/problems/zscaler-count-sentences) | Mar 09, 2024 | -| **Google** | [Largest Lexicographical Substring](https://www.fastprep.io/problems/google-largest-lexicographical-substring) | [![Practice][p]](https://www.fastprep.io/problems/google-largest-lexicographical-substring) | Mar 05, 2024 | -| **Google** | [Maximize Power Values Sum](https://www.fastprep.io/problems/google-maximize-power-values-sum) | [![Practice][p]](https://www.fastprep.io/problems/google-maximize-power-values-sum) | Mar 05, 2024 | -| **Amazon** | [Ways to Group Parcels](https://www.fastprep.io/problems/amazon-find-number-of-ways-to-group-parcels) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-number-of-ways-to-group-parcels) | Mar 04, 2024 | -| **Amazon** | [Get Distinct Pairs](https://www.fastprep.io/problems/amazon-get-distinct-pairs) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-distinct-pairs) | Mar 04, 2024 | -| **IBM** | [Find Max Distinct Items](https://www.fastprep.io/problems/ibm-find-max-distinct-items) | [![Practice][p]](https://www.fastprep.io/problems/ibm-find-max-distinct-items) | Mar 04, 2024 | -| **Amazon** | [Maxmimum Times Word Removed](https://www.fastprep.io/problems/amazon-maximum-times-word-removed) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-times-word-removed) | Mar 03, 2024 | -| **Amazon** | [Reverse Binary String](https://www.fastprep.io/problems/amazon-reverse-binary-string) | [![Practice][p]](https://www.fastprep.io/problems/amazon-reverse-binary-string) | Mar 02, 2024 | -| **Amazon** | [Increase Solar Powered Light Bulbs](https://www.fastprep.io/problems/1.amazon-maximize-solar-powered-bulbs) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-maximize-solar-powered-bulbs) | Mar 02, 2024 | -| **Amazon** | [Return Records](https://www.fastprep.io/problems/amazon-return-records) | [![Practice][p]](https://www.fastprep.io/problems/amazon-return-records) | Mar 02, 2024 | -| **Snowflake** | [Max Freq Substr](https://www.fastprep.io/problems/snowflake-max-freq-substr) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-max-freq-substr) | Mar 02, 2024 | -| **DE Shaw** | [Min Operations to Make Array Equal](https://www.fastprep.io/problems/deshaw-minimum-operations-to-make-array-equal) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-minimum-operations-to-make-array-equal) | Mar 02, 2024 | -| **IMC** | [Find Best Path](https://www.fastprep.io/problems/imc-find-best-path) | [![Practice][p]](https://www.fastprep.io/problems/imc-find-best-path) | Mar 02, 2024 | -| **IMC** | [Asteroid Game](https://www.fastprep.io/problems/imc-asteroid-game) | [![Practice][p]](https://www.fastprep.io/problems/imc-asteroid-game) | Mar 02, 2024 | -| **Barclays** | [Find Maximum Possible GCD](https://www.fastprep.io/problems/barclay-find-maximum-possible-gcd) | [![Practice][p]](https://www.fastprep.io/problems/barclay-find-maximum-possible-gcd) | Mar 02, 2024 | -| **Weride** | [Checking Your Route](https://www.fastprep.io/problems/weride-checking-your-route) | [![Practice][p]](https://www.fastprep.io/problems/weride-checking-your-route) | Mar 02, 2024 | -| **Amazon** | [Count Max Greyness](https://www.fastprep.io/problems/1.amazon-get-max-grayness) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-max-grayness) | Mar 01, 2024 | -| **Amazon** | [Find Min Keypad Click Count (also for CN)](https://www.fastprep.io/problems/2.amazon-find-minimum-keypad-click-count) | [![Practice][p]](https://www.fastprep.io/problems/2.amazon-find-minimum-keypad-click-count) | Feb 29, 2024 | -| **Infosys** | [Obtain Max Score Using Min Swaps](https://www.fastprep.io/problems/infosys-obtain-maximum-score-using-minimum-swaps) | [![Practice][p]](https://www.fastprep.io/problems/infosys-obtain-maximum-score-using-minimum-swaps) | Feb 29, 2024 | -| **Intuit** | [Smart Gardener (Intuit India)](https://www.fastprep.io/problems/intuit-optimize-watering-cost) | [![Practice][p]](https://www.fastprep.io/problems/intuit-optimize-watering-cost) | Feb 29, 2024 | -| **Microsoft** | [Find Array Uniqueness Median](https://www.fastprep.io/problems/microsoft-find-array-uniqueness-median) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-find-array-uniqueness-median) | Feb 29, 2024 | -| **Microsoft** | [Count Similar Substrings](https://www.fastprep.io/problems/microsoft-count-similar-substrings) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-count-similar-substrings) | Feb 29, 2024 | -| **Observer.AI** | [Choose Best Flask](https://www.fastprep.io/problems/observerai-choose-the-best-flask) | [![Practice][p]](https://www.fastprep.io/problems/observerai-choose-the-best-flask) | Feb 29, 2024 | -| **Amazon** | [Find Min Operations](https://www.fastprep.io/problems/1.amazon-find-minimum-operations) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-minimum-operations) | Feb 28, 2024 | -| **Walmart** | [Longest Good Sequence](https://www.fastprep.io/problems/walmart-find-length-of-longest-good-subsequence) | [![Practice][p]](https://www.fastprep.io/problems/walmart-find-length-of-longest-good-subsequence) | Feb 28, 2024 | -| **Meta** | [ Combine Vectors(MLE)](https://www.fastprep.io/problems/mt-combine-two-vectors-of-intervals) | [![Practice][p]](https://www.fastprep.io/problems/mt-combine-two-vectors-of-intervals) | Feb 28, 2024 | -| **Hudson River Trading** | [Harvest Crops](https://www.fastprep.io/problems/hudsonriver-harvest-crops) | [![Practice][p]](https://www.fastprep.io/problems/hudsonriver-harvest-crops) | Feb 28, 2024 | -| **TikTok** | [Find min Inversions](https://www.fastprep.io/problems/tiktok-find-min-inversions) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-find-min-inversions) | Feb 28, 2024 | -| **TikTok** | [Max Len](https://www.fastprep.io/problems/tiktok-max-length) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-max-length) | Feb 28, 2024 | -| **TikTok** | [Find Min Sum](https://www.fastprep.io/problems/tiktok-find-minimum-sum) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-find-minimum-sum) | Feb 28, 2024 | -| **Citadel** | [Min Equal Sum](https://www.fastprep.io/problems/citadel-find-minimum-equal-sum) | [![Practice][p]](https://www.fastprep.io/problems/citadel-find-minimum-equal-sum) | Feb 28, 2024 | -| **IBM** | [Total Execution Time](https://www.fastprep.io/problems/ibm-get-total-execution-time) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-total-execution-time) | Feb 28, 2024 | -| **Goldman Sachs** | [Min Start Value](https://www.fastprep.io/problems/goldman-min-start) | [![Practice][p]](https://www.fastprep.io/problems/goldman-min-start) | Feb 28, 2024 | -| **Flexport** | [Get Expression Sums](https://www.fastprep.io/problems/flexport-get-expression-sums) | [![Practice][p]](https://www.fastprep.io/problems/flexport-get-expression-sums) | Feb 28, 2024 | -| **Flexport** | [Max Energy](https://www.fastprep.io/problems/flexport-max-energy) | [![Practice][p]](https://www.fastprep.io/problems/flexport-max-energy) | Feb 28, 2024 | -| **Flexport** | [Get Min Time](https://www.fastprep.io/problems/flexport-get-minimum-time) | [![Practice][p]](https://www.fastprep.io/problems/flexport-get-minimum-time) | Feb 28, 2024 | -| **Flexport** | [Get Node to Remove](https://www.fastprep.io/problems/flexport-get-node-to-remove) | [![Practice][p]](https://www.fastprep.io/problems/flexport-get-node-to-remove) | Feb 28, 2024 | -| **Walmart** | [Min Possible Value](https://www.fastprep.io/problems/walmart-minimum-possible-value-function) | [![Practice][p]](https://www.fastprep.io/problems/walmart-minimum-possible-value-function) | Feb 24, 2024 | -| **Infosys** | [Extract Cards](https://www.fastprep.io/problems/infosys-extract-cards) | [![Practice][p]](https://www.fastprep.io/problems/infosys-extract-cards) | Feb 24, 2024 | -| **Snowflake** | [Meeting Time](https://www.fastprep.io/problems/snowflake-get-earliest-meet-time) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-get-earliest-meet-time) | Feb 24, 2024 | -| **Snowflake** | [Max Beautiful Substrings](https://www.fastprep.io/problems/snowflake-get-max-beautiful-substrings) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-get-max-beautiful-substrings) | Feb 24, 2024 | -| **Intuit** | [Longest Cipher (Intuit India)](https://www.fastprep.io/problems/intuit-longest-cipher) | [![Practice][p]](https://www.fastprep.io/problems/intuit-longest-cipher) | Feb 24, 2024 | -| **Intuit** | [Virus Spread (Intuit India)](https://www.fastprep.io/problems/intuit-virus-spread) | [![Practice][p]](https://www.fastprep.io/problems/intuit-virus-spread) | Feb 24, 2024 | -| **Intuit** | [Spreading Fire (Intuit India)](https://www.fastprep.io/problems/intuit-spreading-fire) | [![Practice][p]](https://www.fastprep.io/problems/intuit-spreading-fire) | Feb 24, 2024 | -| **Intuit** | [Jumping Kaday (Intuit India)](https://www.fastprep.io/problems/intuit-jumping-kady) | [![Practice][p]](https://www.fastprep.io/problems/intuit-jumping-kady) | Feb 24, 2024 | -| **Intuit** | [Max Reward (Intuit India)](https://www.fastprep.io/problems/intuit-maximum-reward) | [![Practice][p]](https://www.fastprep.io/problems/intuit-maximum-reward) | Feb 24, 2024 | -| **DE Shaw** | [Max Beauty](https://www.fastprep.io/problems/deshaw-find-maximum-beauty) | [![Practice][p]](https://www.fastprep.io/problems/deshaw-find-maximum-beauty) | Feb 24, 2024 | -| **Weride** | [Long Break](https://www.fastprep.io/problems/weride-long-break) | [![Practice][p]](https://www.fastprep.io/problems/weride-long-break) | Feb 24, 2024 | -| **Weride** | [Meetup Schedule](https://www.fastprep.io/problems/weride-meetup-schedule) | [![Practice][p]](https://www.fastprep.io/problems/weride-meetup-schedule) | Feb 24, 2024 | -| **Samsung** | [Find Hidden Benchmark Value](https://www.fastprep.io/problems/samsung-find-hidden-benchmark-value) | [![Practice][p]](https://www.fastprep.io/problems/samsung-find-hidden-benchmark-value) | Feb 24, 2024 | -| **Intuit** | [Rearranging String](https://www.fastprep.io/problems/intuit-rearrange-string) | [![Practice][p]](https://www.fastprep.io/problems/intuit-rearrange-string) | Feb 22, 2024 | -| **Intuit** | [Letter Candles](https://www.fastprep.io/problems/intuit-letter-candles) | [![Practice][p]](https://www.fastprep.io/problems/intuit-letter-candles) | Feb 22, 2024 | -| **Intuit** | [Get Min Difference](https://www.fastprep.io/problems/intuit-get-minimum-difference) | [![Practice][p]](https://www.fastprep.io/problems/intuit-get-minimum-difference) | Feb 22, 2024 | -| **Microsoft** | [Maximize Difference](https://www.fastprep.io/problems/microsoft-maximizing-difference-in-array-elements-with-moves) | [![Practice][p]](https://www.fastprep.io/problems/microsoft-maximizing-difference-in-array-elements-with-moves) | Feb 22, 2024 | -| **JP Morgan** | [Min Operations](https://www.fastprep.io/problems/jpmorgan-get-minimum-operations) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-minimum-operations) | Feb 21, 2024 | -| **JP Morgan** | [How Many Flips?](https://www.fastprep.io/problems/jpmorgan-minimum-flips) | [![Practice][p]](https://www.fastprep.io/problems/jpmorgan-minimum-flips) | Feb 21, 2024 | -| **Roblox** | [Largest Value of Usage in Minutes](https://www.fastprep.io/problems/roblox-largest-value-of-usage-in-minutes) | [![Practice][p]](https://www.fastprep.io/problems/roblox-largest-value-of-usage-in-minutes) | Feb 21, 2024 | -| **Oracle** | [Min Diff](https://www.fastprep.io/problems/oracle-min-diff) | [![Practice][p]](https://www.fastprep.io/problems/oracle-min-diff) | Feb 21, 2024 | -| **Oracle** | [Balancing Parentheses](https://www.fastprep.io/problems/oracle-balance-parentheses) | [![Practice][p]](https://www.fastprep.io/problems/oracle-balance-parentheses) | Feb 21, 2024 | -| **Oracle** | [Last Letters](https://www.fastprep.io/problems/oracle-last-letters) | [![Practice][p]](https://www.fastprep.io/problems/oracle-last-letters) | Feb 21, 2024 | -| **Oracle** | [Reduction Cost](https://www.fastprep.io/problems/oracle-reduction-cost) | [![Practice][p]](https://www.fastprep.io/problems/oracle-reduction-cost) | Feb 21, 2024 | -| **Oracle** | [Merge Arrays](https://www.fastprep.io/problems/oracle-merge-arrays) | [![Practice][p]](https://www.fastprep.io/problems/oracle-merge-arrays) | Feb 21, 2024 | -| **Oracle** | [Is Power](https://www.fastprep.io/problems/oracle-is-power) | [![Practice][p]](https://www.fastprep.io/problems/oracle-is-power) | Feb 21, 2024 | -| **MathWorks** | [Load Balancing](https://www.fastprep.io/problems/mathwork-load-balancing) | [![Practice][p]](https://www.fastprep.io/problems/mathwork-load-balancing) | Feb 21, 2024 | -| **ZipRecruiter** | [Count Triple](https://www.fastprep.io/problems/ziprecruiter-count-triple) | [![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-count-triple) | Feb 21, 2024 | -| **ZipRecruiter** | [Cycle Shift](https://www.fastprep.io/problems/ziprecruiter-cycle-shift) | [![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-cycle-shift) | Feb 21, 2024 | -| **Pure Storage** | [Find Doubles](https://www.fastprep.io/problems/purestorage-find-doubles) | [![Practice][p]](https://www.fastprep.io/problems/purestorage-find-doubles) | Feb 21, 2024 | -| **Palantir** | [Get Phone Numbers](https://www.fastprep.io/problems/palantir-get-phone-numbers) | [![Practice][p]](https://www.fastprep.io/problems/palantir-get-phone-numbers) | Feb 21, 2024 | -| **Palantir** | [Get Largest Number](https://www.fastprep.io/problems/palantir-get-largest-number) | [![Practice][p]](https://www.fastprep.io/problems/palantir-get-largest-number) | Feb 21, 2024 | -| **Amazon** | [Get Max Racers](https://www.fastprep.io/problems/amazon-get-max-racers) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-racers) | Feb 20, 2024 | -| **IBM** | [Get Min Time](https://www.fastprep.io/problems/ibm-get-min-time) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-min-time) | Feb 20, 2024 | -| **Oracle** | [Add Numbers](https://www.fastprep.io/problems/oracle-add-numbers) | [![Practice][p]](https://www.fastprep.io/problems/oracle-add-numbers) | Feb 20, 2024 | -| **Walleye Capital** | [Get Min Time](https://www.fastprep.io/problems/walleye-get-min-time) | [![Practice][p]](https://www.fastprep.io/problems/walleye-get-min-time) | Feb 20, 2024 | -| **Amazon** | [Get Min Num Moves](https://www.fastprep.io/problems/amazon-get-min-num-moves) | [![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-num-moves) | Feb 19, 2024 | -| **Amazon** | [Count Distinct Passwords](https://www.fastprep.io/problems/amazon-count-distinct-passwords) | [![Practice][p]](https://www.fastprep.io/problems/amazon-count-distinct-passwords) | Feb 19, 2024 | -| **Citadel** | [Max the Lottery ID](https://www.fastprep.io/problems/citadel-maximize-the-lottery-id) | [![Practice][p]](https://www.fastprep.io/problems/citadel-maximize-the-lottery-id) | Feb 19, 2024 | -| **Meta** | [Search Mysterious Grid](https://www.fastprep.io/problems/mt-search-myterious-grid) | [![Practice][p]](https://www.fastprep.io/problems/mt-search-myterious-grid) | Feb 18, 2024 | -| **Meta** | [Enumerating Narrative Sections](https://www.fastprep.io/problems/mt-enumerating-narrative-sections) | [![Practice][p]](https://www.fastprep.io/problems/mt-enumerating-narrative-sections) | Feb 18, 2024 | -| **Snowflake** | [Efficient Deployments](https://www.fastprep.io/problems/snowflake-efficient-deployments) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-efficient-deployments) | Feb 18, 2024 | -| **Amazon** | [Fortune Telling](https://www.fastprep.io/problems/amazon-minimize-the-range) | [![Practice][p]](https://www.fastprep.io/problems/amazon-minimize-the-range) | Feb 17, 2024 | -| **Amazon** | [Max User Traffic](https://www.fastprep.io/problems/amazon-maximum-user-traffic) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-user-traffic) | Feb 17, 2024 | -| **Amazon** | [Find Min Trips](https://www.fastprep.io/problems/amazon-find-min-trips) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-min-trips) | Feb 17, 2024 | -| **Meta** | [Closest Landmark](https://www.fastprep.io/problems/mt-closest-land-mark) | [![Practice][p]](https://www.fastprep.io/problems/mt-closest-land-mark) | Feb 17, 2024 | -| **Google** | [Min Amplitude](https://www.fastprep.io/problems/google-min-amplitude) | [![Practice][p]](https://www.fastprep.io/problems/google-min-amplitude) | Feb 16, 2024 | -| **Google** | [Ways to Split a String](https://www.fastprep.io/problems/google-number-of-ways-to-split-a-string) | [![Practice][p]](https://www.fastprep.io/problems/google-number-of-ways-to-split-a-string) | Feb 16, 2024 | -| **Google** | [Maximum Time](https://www.fastprep.io/problems/google-maximum-time) | [![Practice][p]](https://www.fastprep.io/problems/google-maximum-time) | Feb 16, 2024 | -| **Google** | [Min Ab Difference of Server Loads](https://www.fastprep.io/problems/google-minimize-absolute-difference-of-server-loads) | [![Practice][p]](https://www.fastprep.io/problems/google-minimize-absolute-difference-of-server-loads) | Feb 16, 2024 | -| **Google** | [Most Booked Hotel Room](https://www.fastprep.io/problems/google-most-booked-hotel-room) | [![Practice][p]](https://www.fastprep.io/problems/google-most-booked-hotel-room) | Feb 16, 2024 | -| **Google** | [Min Number of Chairs](https://www.fastprep.io/problems/google-meeting-rooms-ii) | [![Practice][p]](https://www.fastprep.io/problems/google-meeting-rooms-ii) | Feb 16, 2024 | -| **Google** | [Min Days to Bloom](https://www.fastprep.io/problems/google-min-days-bouquets) | [![Practice][p]](https://www.fastprep.io/problems/google-min-days-bouquets) | Feb 16, 2024 | -| **Google** | [Fill Matrix](https://www.fastprep.io/problems/google-fill-matrix) | [![Practice][p]](https://www.fastprep.io/problems/google-fill-matrix) | Feb 16, 2024 | -| **Google** | [Time to Type a String](https://www.fastprep.io/problems/google-single-row-keyboard) | [![Practice][p]](https://www.fastprep.io/problems/google-single-row-keyboard) | Feb 16, 2024 | -| **Google** | [Decreasing Subsequences](https://www.fastprep.io/problems/google-split-array-into-consecutive-subsequences) | [![Practice][p]](https://www.fastprep.io/problems/google-split-array-into-consecutive-subsequences) | Feb 16, 2024 | -| **Google** | [Max Distance](https://www.fastprep.io/problems/google-pick-max-distance-pair) | [![Practice][p]](https://www.fastprep.io/problems/google-pick-max-distance-pair) | Feb 16, 2024 | -| **Google** | [Stores and Houses](https://www.fastprep.io/problems/google-find-closest-store) | [![Practice][p]](https://www.fastprep.io/problems/google-find-closest-store) | Feb 16, 2024 | -| **Google** | [Find Min Distance to Furthest Node (Google Tokyo)](https://www.fastprep.io/problems/google-find-min-distance-to-farthest-node) | [![Practice][p]](https://www.fastprep.io/problems/google-find-min-distance-to-farthest-node) | Feb 16, 2024 | -| **Google** | [Pizza Shop (Google Tokyo)](https://www.fastprep.io/problems/google-closest-pizza-price) | [![Practice][p]](https://www.fastprep.io/problems/google-closest-pizza-price) | Feb 16, 2024 | -| **Google** | [Relative Sort (Google Singapore)](https://www.fastprep.io/problems/google-minimum-swaps-to-make-sequences-increasing) | [![Practice][p]](https://www.fastprep.io/problems/google-minimum-swaps-to-make-sequences-increasing) | Feb 16, 2024 | -| **Snowflake** | [Radio waves](https://www.fastprep.io/problems/snowflake-radio-waves) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-radio-waves) | Feb 15, 2024 | -| **MathWorks** | [Count Valid Passwords](https://www.fastprep.io/problems/mathwork-count-valid-passwords) | [![Practice][p]](https://www.fastprep.io/problems/mathwork-count-valid-passwords) | Feb 15, 2024 | -| **MathWorks** | [Get Maximum Reward Points](https://www.fastprep.io/problems/mathwork-get-maximum-reward-points) | [![Practice][p]](https://www.fastprep.io/problems/mathwork-get-maximum-reward-points) | Feb 15, 2024 | -| **ZipRecruiter** | [Count Distinct Swappable Digit Pairs](https://www.fastprep.io/problems/ziprecruiter-count-distinct-swappable-digit-pairs) | [![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-count-distinct-swappable-digit-pairs) | Feb 15, 2024 | -| **ZipRecruiter** | [Time Travel](https://www.fastprep.io/problems/ziprecruiter-time-travel) | [![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-time-travel) | Feb 15, 2024 | -| **ZipRecruiter** | [Exclusive Event Entry](https://www.fastprep.io/problems/ziprecruiter-exclusive-event-entry) | [![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-exclusive-event-entry) | Feb 15, 2024 | -| **ZipRecruiter** | [Distribute Integers Between Arrays](https://www.fastprep.io/problems/ziprecruiter-disctribute-integers-between-arrays) | [![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-disctribute-integers-between-arrays) | Feb 15, 2024 | -| **Amazon** | [Find Recurring Name](https://www.fastprep.io/problems/amazon-find-recurring-names) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-recurring-names) | Feb 14, 2024 | -| **Amazon** | [Find Requests In Queue](https://www.fastprep.io/problems/amazon-find-requests-in-queue) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-requests-in-queue) | Feb 14, 2024 | -| **Meta** | [Buses in a Bustling Town](https://www.fastprep.io/problems/mt-busting-town-buses) | [![Practice][p]](https://www.fastprep.io/problems/mt-busting-town-buses) | Feb 14, 2024 | -| **Snowflake** | [Get Num Ways](https://www.fastprep.io/problems/snowflake-get-num-ways) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-get-num-ways) | Feb 14, 2024 | -| **Snowflake** | [Find Maximum Number Live Threads](https://www.fastprep.io/problems/snowflake-find-maximum-number-live-threads) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-find-maximum-number-live-threads) | Feb 14, 2024 | -| **TikTok** | [Maximum Value](https://www.fastprep.io/problems/tiktok-maximum-value) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-maximum-value) | Feb 14, 2024 | -| **TikTok** | [Count Purchases](https://www.fastprep.io/problems/tiktok-count-purchases) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-count-purchases) | Feb 14, 2024 | -| **TikTok** | [Calculate Validity](https://www.fastprep.io/problems/tiktok-calculate-validity) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-calculate-validity) | Feb 14, 2024 | -| **IBM** | [Validate Requests](https://www.fastprep.io/problems/ibm-request-parser) | [![Practice][p]](https://www.fastprep.io/problems/ibm-request-parser) | Feb 14, 2024 | -| **Oracle** | [Get Discounted Price](https://www.fastprep.io/problems/oracle-get-discounted-price) | [![Practice][p]](https://www.fastprep.io/problems/oracle-get-discounted-price) | Feb 14, 2024 | -| **Oracle** | [Cardinality Sort](https://www.fastprep.io/problems/oracle-cardinality-sort) | [![Practice][p]](https://www.fastprep.io/problems/oracle-cardinality-sort) | Feb 14, 2024 | -| **IBM** | [Find Missing Integers](https://www.fastprep.io/problems/ibm-find-missing-integer) | [![Practice][p]](https://www.fastprep.io/problems/ibm-find-missing-integer) | Feb 08, 2024 | -| **IBM** | [Merge Arrays](https://www.fastprep.io/problems/ibm-merge-arrays) | [![Practice][p]](https://www.fastprep.io/problems/ibm-merge-arrays) | Feb 08, 2024 | -| **Amazon** | [Find Largest Set of Onion Bags](https://www.fastprep.io/problems/amazon-find-largest-set-of-onion-bags) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-largest-set-of-onion-bags) | Feb 06, 2024 | -| **Amazon** | [Minimum Total Errors](https://www.fastprep.io/problems/amazon-min-errors) | [![Practice][p]](https://www.fastprep.io/problems/amazon-min-errors) | Feb 06, 2024 | -| **Adobe** | [Get Minimum Operations](https://www.fastprep.io/problems/get-minimum-operations-adobe) | [![Practice][p]](https://www.fastprep.io/problems/get-minimum-operations-adobe) | Feb 06, 2024 | -| **Twilio** | [Find Maximum Greatness](https://www.fastprep.io/problems/twilio-find-maximum-greatness) | [![Practice][p]](https://www.fastprep.io/problems/twilio-find-maximum-greatness) | Feb 06, 2024 | -| **Twilio** | [Count Groups](https://www.fastprep.io/problems/twilio-count-groups) | [![Practice][p]](https://www.fastprep.io/problems/twilio-count-groups) | Feb 06, 2024 | -| **Snowflake** | [Array Reduction Algorithm](https://www.fastprep.io/problems/snowflake-array-reduction-algorithm) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-array-reduction-algorithm) | Feb 05, 2024 | -| **Snowflake** | [Count Ways to Color Houses](https://www.fastprep.io/problems/snowflake-count-ways-to-color-houses) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-count-ways-to-color-houses) | Feb 05, 2024 | -| **Snowflake** | [Count Min Characters](https://www.fastprep.io/problems/snowflake-count-minimum-characters) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-count-minimum-characters) | Feb 05, 2024 | -| **IBM** | [Find Y Values](https://www.fastprep.io/problems/ibm-find-y-value) | [![Practice][p]](https://www.fastprep.io/problems/ibm-find-y-value) | Feb 05, 2024 | -| **IBM** | [Circles](https://www.fastprep.io/problems/ibm-circles) | [![Practice][p]](https://www.fastprep.io/problems/ibm-circles) | Feb 05, 2024 | -| **IBM** | [Get Min Moves](https://www.fastprep.io/problems/ibm-get-minimum-moves) | [![Practice][p]](https://www.fastprep.io/problems/ibm-get-minimum-moves) | Feb 05, 2024 | -| **Akuna** | [Min Cost (Akuna Shang Hai)](https://www.fastprep.io/problems/akuna-min-cost) | [![Practice][p]](https://www.fastprep.io/problems/akuna-min-cost) | Feb 02, 2024 | -| **Akuna** | [Minimum Chunks Required (Akuna Shang Hai)](https://www.fastprep.io/problems/akuna-minimum-chunks-required) | [![Practice][p]](https://www.fastprep.io/problems/akuna-minimum-chunks-required) | Feb 02, 2024 | -| **Akuna** | [Diffierence Calculator (Akuna Shang Hai)](https://www.fastprep.io/problems/akuna-difference-calculator) | [![Practice][p]](https://www.fastprep.io/problems/akuna-difference-calculator) | Feb 02, 2024 | -| **Snowflake** | [Get Max Upgraded Servers](https://www.fastprep.io/problems/snowflake-get-max-upgraded-servers) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-get-max-upgraded-servers) | Feb 02, 2024 | -| **Snowflake** | [Efficient Cost](https://www.fastprep.io/problems/snowflake-efficient-cost) | [![Practice][p]](https://www.fastprep.io/problems/snowflake-efficient-cost) | Feb 02, 2024 | -| **TikTok** | [Segment Queries](https://www.fastprep.io/problems/tiktok-segment-queries) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-segment-queries) | Feb 02, 2024 | -| **TikTok** | [Minimum Cycles](https://www.fastprep.io/problems/tiktok-minimum-cycles) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-minimum-cycles) | Feb 02, 2024 | -| **TikTok** | [Stars and Bars](https://www.fastprep.io/problems/tiktok-stars-and-bars) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-stars-and-bars) | Feb 02, 2024 | -| **TikTok** | [Longest OR](https://www.fastprep.io/problems/tiktok-longest-or) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-longest-or) | Feb 02, 2024 | -| **TikTok** | [Get Server Index](https://www.fastprep.io/problems/tiktok-get-server-index) | [![Practice][p]](https://www.fastprep.io/problems/tiktok-get-server-index) | Feb 02, 2024 | -| **Amazon** | [Dropped Requests](https://www.fastprep.io/problems/amazon-dropped-requests) | [![Practice][p]](https://www.fastprep.io/problems/amazon-dropped-requests) | Jan 27, 2024 | -| **Amazon** | [Remove Anagrams](https://www.fastprep.io/problems/1.amazon-remove-anagram) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-remove-anagram) | Jan 27, 2024 | -| **Amazon** | [Find Unique Values](https://www.fastprep.io/problems/amazon-find-unique-values) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-unique-values) | Jan 27, 2024 | -| **Amazon** | [Execute Processes](https://www.fastprep.io/problems/amazon-execute-processes) | [![Practice][p]](https://www.fastprep.io/problems/amazon-execute-processes) | Jan 27, 2024 | -| **Amazon** | [Number of Suitable Locations](https://www.fastprep.io/problems/amazon-num-of-suitable-places) | [![Practice][p]](https://www.fastprep.io/problems/amazon-num-of-suitable-places) | Jan 27, 2024 | -| **Amazon** | [Group Students](https://www.fastprep.io/problems/amazon-group-students) | [![Practice][p]](https://www.fastprep.io/problems/amazon-group-students) | Jan 27, 2024 | -| **Amazon** | [Get Pairs Count](https://www.fastprep.io/problems/1.amazon-get-pairs-count) | [![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-pairs-count) | Jan 23, 2024 | -| **Amazon** | [Rice Bags](https://www.fastprep.io/problems/max-set-size) | [![Practice][p]](https://www.fastprep.io/problems/max-set-size) | Jan 13, 2024 | -| **Snowflake** | [Smallest Set Covering Intervals](https://www.fastprep.io/problems/smallest-set-covering-intervals) | [![Practice][p]](https://www.fastprep.io/problems/smallest-set-covering-intervals) | Jan 13, 2024 | -| **Snowflake** | [Maximum Order Volume](https://www.fastprep.io/problems/phone-calls) | [![Practice][p]](https://www.fastprep.io/problems/phone-calls) | Jan 13, 2024 | -| **Snowflake** | [Unequal Elements](https://www.fastprep.io/problems/find-max-length) | [![Practice][p]](https://www.fastprep.io/problems/find-max-length) | Jan 13, 2024 | -| **Snowflake** | [Job Execution](https://www.fastprep.io/problems/get-minimum-operations) | [![Practice][p]](https://www.fastprep.io/problems/get-minimum-operations) | Jan 12, 2024 | -| **Snowflake** | [Perfect Pairs](https://www.fastprep.io/problems/perfect-pairs) | [![Practice][p]](https://www.fastprep.io/problems/perfect-pairs) | Jan 12, 2024 | -| **Snowflake** | [Cross the Threshold](https://www.fastprep.io/problems/get-max-barrier) | [![Practice][p]](https://www.fastprep.io/problems/get-max-barrier) | Jan 12, 2024 | -| **Snowflake** | [Get Min Cost](https://www.fastprep.io/problems/hackerland-get-min-cost) | [![Practice][p]](https://www.fastprep.io/problems/hackerland-get-min-cost) | Jan 12, 2024 | -| **Snowflake** | [String Patterns](https://www.fastprep.io/problems/calculate-ways) | [![Practice][p]](https://www.fastprep.io/problems/calculate-ways) | Jan 12, 2024 | -| **Amazon** | [Get Discount Pairs](https://www.fastprep.io/problems/get-discount-pairs) | [![Practice][p]](https://www.fastprep.io/problems/get-discount-pairs) | Jan 11, 2024 | -| **Amazon** | [Get Min Cost Data](https://www.fastprep.io/problems/get-min-cost-data) | [![Practice][p]](https://www.fastprep.io/problems/get-min-cost-data) | Jan 10, 2024 | -| **Goldman Sachs** | [Compute Parameter Value](https://www.fastprep.io/problems/compute-parameter-value) | [![Practice][p]](https://www.fastprep.io/problems/compute-parameter-value) | Jan 09, 2024 | -| **Goldman Sachs** | [Max Min](https://www.fastprep.io/problems/max-min) | [![Practice][p]](https://www.fastprep.io/problems/max-min) | Jan 09, 2024 | -| **Goldman Sachs** | [Chair Requirements](https://www.fastprep.io/problems/goldman-min-chair) | [![Practice][p]](https://www.fastprep.io/problems/goldman-min-chair) | Jan 09, 2024 | -| **Goldman Sachs** | [Autocorrect Prototype](https://www.fastprep.io/problems/autocorrect-prototype) | [![Practice][p]](https://www.fastprep.io/problems/autocorrect-prototype) | Jan 09, 2024 | -| **Goldman Sachs** | [Do They Belong?](https://www.fastprep.io/problems/points-belong) | [![Practice][p]](https://www.fastprep.io/problems/points-belong) | Jan 09, 2024 | -| **Goldman Sachs** | [Preprocess Dates](https://www.fastprep.io/problems/preprocess-date) | [![Practice][p]](https://www.fastprep.io/problems/preprocess-date) | Jan 09, 2024 | -| **Goldman Sachs** | [Compare Strings](https://www.fastprep.io/problems/compare-strings) | [![Practice][p]](https://www.fastprep.io/problems/compare-strings) | Jan 09, 2024 | -| **Goldman Sachs** | [Plus Mult Array](https://www.fastprep.io/problems/plus-mult-array) | [![Practice][p]](https://www.fastprep.io/problems/plus-mult-array) | Jan 09, 2024 | -| **Goldman Sachs** | [Better Compression](https://www.fastprep.io/problems/better-compression) | [![Practice][p]](https://www.fastprep.io/problems/better-compression) | Jan 09, 2024 | -| **Goldman Sachs** | [Encircular](https://www.fastprep.io/problems/encircular) | [![Practice][p]](https://www.fastprep.io/problems/encircular) | Jan 09, 2024 | -| **Goldman Sachs** | [Project Estimates](https://www.fastprep.io/problems/project-estimates) | [![Practice][p]](https://www.fastprep.io/problems/project-estimates) | Jan 09, 2024 | -| **Goldman Sachs** | [Longest Subarray](https://www.fastprep.io/problems/longest-subarray) | [![Practice][p]](https://www.fastprep.io/problems/longest-subarray) | Jan 09, 2024 | -| **Amazon** | [Count Maximum Profitable Groups](https://www.fastprep.io/problems/count-maximum-profitable-groups) | [![Practice][p]](https://www.fastprep.io/problems/count-maximum-profitable-groups) | Jan 07, 2024 | -| **Cisco** | [Maximum Chocolates from Jars](https://www.fastprep.io/problems/cisco-maximum-chocolates-from-jars) | [![Practice][p]](https://www.fastprep.io/problems/cisco-maximum-chocolates-from-jars) | Jan 02, 2024 | -| **Amazon** | [Count Games Won By Group1 (AMZ CN)](https://www.fastprep.io/problems/amazon-how-many-games-did-the-team-win) | [![Practice][p]](https://www.fastprep.io/problems/amazon-how-many-games-did-the-team-win) | Dec 27, 2023 | -| **Amazon** | [Get Min Distance (AMZ CN)](https://www.fastprep.io/problems/amazon-find-minimum-dist) | [![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-dist) | Dec 27, 2023 | -| **Amazon** | [Check Similar Passwords](https://www.fastprep.io/problems/check-similar-passwords) | [![Practice][p]](https://www.fastprep.io/problems/check-similar-passwords) | Dec 23, 2023 | -| **Amazon** | [Maximum Score in Balanced String](https://www.fastprep.io/problems/maximum-score-in-balanced-string) | [![Practice][p]](https://www.fastprep.io/problems/maximum-score-in-balanced-string) | Dec 23, 2023 | -| **Amazon** | [Location of Data After Transfers](https://www.fastprep.io/problems/location-of-data-after-transfers) | [![Practice][p]](https://www.fastprep.io/problems/location-of-data-after-transfers) | Dec 23, 2023 | -| **Amazon** | [Get Score Difference](https://www.fastprep.io/problems/1.amz-get-score-difference) | [![Practice][p]](https://www.fastprep.io/problems/1.amz-get-score-difference) | Dec 19, 2023 | -| **Amazon** | [Get Success Value](https://www.fastprep.io/problems/get-success-value) | [![Practice][p]](https://www.fastprep.io/problems/get-success-value) | Dec 19, 2023 | -| **Amazon** | [Get Minimum Fruits](https://www.fastprep.io/problems/1.get-minimum-fruits) | [![Practice][p]](https://www.fastprep.io/problems/1.get-minimum-fruits) | Dec 19, 2023 | -| **Amazon** | [Warehouse Distribution](https://www.fastprep.io/problems/warehouse-allocation) | [![Practice][p]](https://www.fastprep.io/problems/warehouse-allocation) | Dec 15, 2023 | -| **IBM** | [Get Min Cost](https://www.fastprep.io/problems/1.ibm-get-min-cost) | [![Practice][p]](https://www.fastprep.io/problems/1.ibm-get-min-cost) | Dec 14, 2023 | -| **Amazon** | [Erase Pairs](https://www.fastprep.io/problems/erase-pairs) | [![Practice][p]](https://www.fastprep.io/problems/erase-pairs) | Dec 13, 2023 | -| **Amazon** | [Cet Maximum Reward Points](https://www.fastprep.io/problems/1.get-max-reward-points) | [![Practice][p]](https://www.fastprep.io/problems/1.get-max-reward-points) | Dec 13, 2023 | -| **Amazon** | [Get Priorities After Execution](https://www.fastprep.io/problems/get-priorities-after-execution) | [![Practice][p]](https://www.fastprep.io/problems/get-priorities-after-execution) | Dec 06, 2023 | -| **Amazon** | [Maximum Book Copies](https://www.fastprep.io/problems/1.max-book-copies) | [![Practice][p]](https://www.fastprep.io/problems/1.max-book-copies) | Dec 03, 2023 | -| **SpaceX** | [Simplified Time-Based Key-Value Store](https://www.fastprep.io/problems/spacex-simplified-time-map) | [![Practice][p]](https://www.fastprep.io/problems/spacex-simplified-time-map) | Nov 02, 2023 | -| **Amazon** | [Get Average Standing](https://www.fastprep.io/problems/get-average-standing) | [![Practice][p]](https://www.fastprep.io/problems/get-average-standing) | Sep 24, 2023 | -| **Amazon** | [Minimum Time Spent](https://www.fastprep.io/problems/minimum-time-spent) | [![Practice][p]](https://www.fastprep.io/problems/minimum-time-spent) | Sep 24, 2023 | -| **Amazon** | [Count Max Num Teams](https://www.fastprep.io/problems/count-max-num-teams) | [![Practice][p]](https://www.fastprep.io/problems/count-max-num-teams) | Sep 24, 2023 | -| **Odoo** | [HTML Elements Single-Tag Correction](https://www.fastprep.io/problems/odoo-html-elements-single-tag-correction) | [![Practice][p]](https://www.fastprep.io/problems/odoo-html-elements-single-tag-correction) | Sep 18, 2023 | -| **Amazon** | [Cet Mean Rank Count](https://www.fastprep.io/problems/get-mean-rank-count) | [![Practice][p]](https://www.fastprep.io/problems/get-mean-rank-count) | Aug 31, 2023 | -| **Amazon** | [Count Spikes](https://www.fastprep.io/problems/count-spikes) | [![Practice][p]](https://www.fastprep.io/problems/count-spikes) | Aug 31, 2023 | -| **Amazon** | [Get Minimum Costs](https://www.fastprep.io/problems/get-minimum-cost) | [![Practice][p]](https://www.fastprep.io/problems/get-minimum-cost) | Aug 31, 2023 | -| **Amazon** | [Find Minimum Inefficiency](https://www.fastprep.io/problems/find-minimum-inefficiency) | [![Practice][p]](https://www.fastprep.io/problems/find-minimum-inefficiency) | Aug 31, 2023 | -| **Goldman Sachs** | [Encryption Valididy](https://www.fastprep.io/problems/encryption-validity) | [![Practice][p]](https://www.fastprep.io/problems/encryption-validity) | Aug 31, 2023 | -| **Goldman Sachs** | [Decoding String](https://www.fastprep.io/problems/decoding-string) | [![Practice][p]](https://www.fastprep.io/problems/decoding-string) | Aug 31, 2023 | -| **Goldman Sachs** | [Is Possible](https://www.fastprep.io/problems/is-possible) | [![Practice][p]](https://www.fastprep.io/problems/is-possible) | Aug 31, 2023 | -| **Arcesium** | [Add Digits](https://www.fastprep.io/problems/arcesium-add-digits) | [![Practice][p]](https://www.fastprep.io/problems/arcesium-add-digits) | Aug 30, 2023 | -| **Arcesium** | [Binary Tree Maximum Path Sum](https://www.fastprep.io/problems/arcesium-binary-tree-maximum-path-sum) | [![Practice][p]](https://www.fastprep.io/problems/arcesium-binary-tree-maximum-path-sum) | Aug 30, 2023 | -| **Arcesium** | [Reverse First K Characters in Every 2K Block](https://www.fastprep.io/problems/arcesium-reverse-first-k-every-2k-block) | [![Practice][p]](https://www.fastprep.io/problems/arcesium-reverse-first-k-every-2k-block) | Aug 05, 2023 | -| **Arcesium** | [Detect a Cycle in Directed Hate Relationships](https://www.fastprep.io/problems/arcesium-detect-cycle-in-directed-hate-graph) | [![Practice][p]](https://www.fastprep.io/problems/arcesium-detect-cycle-in-directed-hate-graph) | Aug 05, 2023 | -| **Arcesium** | [Robo Data Sharing Direction](https://www.fastprep.io/problems/arcesium-robo-data-sharing-direction) | [![Practice][p]](https://www.fastprep.io/problems/arcesium-robo-data-sharing-direction) | Jul 17, 2023 | -| **IMC** | [Busy Intersection](https://www.fastprep.io/problems/imc-busy-intersection) | [![Practice][p]](https://www.fastprep.io/problems/imc-busy-intersection) | Mar 27, 2023 | -| **Odoo** | [Maximum Profit from an Increasing Price Triplet](https://www.fastprep.io/problems/odoo-maximum-profit-increasing-triplet) | [![Practice][p]](https://www.fastprep.io/problems/odoo-maximum-profit-increasing-triplet) | Jan 24, 2023 | -| **IMC** | [Reaching Points with Perfect-Square Obstacles](https://www.fastprep.io/problems/imc-perfect-square-forbidden-reaching-points) | [![Practice][p]](https://www.fastprep.io/problems/imc-perfect-square-forbidden-reaching-points) | Sep 07, 2022 | -| **IMC** | [Adding Stack 2.0](https://www.fastprep.io/problems/imc-adding-stack-2-0) | [![Practice][p]](https://www.fastprep.io/problems/imc-adding-stack-2-0) | Sep 24, 2021 | -| **IMC** | [Knight Minimum Moves with a Fixed Bishop](https://www.fastprep.io/problems/imc-knight-minimum-moves-fixed-bishop) | [![Practice][p]](https://www.fastprep.io/problems/imc-knight-minimum-moves-fixed-bishop) | Sep 24, 2021 | -| **Arcesium** | [Capital Gains Tax from Trades](https://www.fastprep.io/problems/arcesium-capital-gains-tax-from-trades) | [![Practice][p]](https://www.fastprep.io/problems/arcesium-capital-gains-tax-from-trades) | Feb 23, 2021 | -| **IMC** | [Hidden Artifacts](https://www.fastprep.io/problems/imc-hidden-artifacts) | [![Practice][p]](https://www.fastprep.io/problems/imc-hidden-artifacts) | Oct 20, 2020 | -| **Postman** | [Configuration System](https://www.fastprep.io/problems/postman-configuration-system) | [![Practice][p]](https://www.fastprep.io/problems/postman-configuration-system) | Sep 23, 2020 | -| **Postman** | [Large Responses](https://www.fastprep.io/problems/postman-large-responses) | [![Practice][p]](https://www.fastprep.io/problems/postman-large-responses) | Sep 23, 2020 | -| **Postman** | [Minimum Swaps to Sort an Array](https://www.fastprep.io/problems/postman-minimum-swaps-to-sort) | [![Practice][p]](https://www.fastprep.io/problems/postman-minimum-swaps-to-sort) | Aug 27, 2020 | -| **Postman** | [Validate IP Address](https://www.fastprep.io/problems/postman-validate-ip-address) | [![Practice][p]](https://www.fastprep.io/problems/postman-validate-ip-address) | Aug 27, 2020 | -| **Arcesium** | [K-th Character in an Infinite String](https://www.fastprep.io/problems/arcesium-kth-character-in-infinite-string) | [![Practice][p]](https://www.fastprep.io/problems/arcesium-kth-character-in-infinite-string) | Aug 08, 2020 | -| **Postman** | [Without Whitespaces](https://www.fastprep.io/problems/postman-without-whitespaces) | [![Practice][p]](https://www.fastprep.io/problems/postman-without-whitespaces) | Sep 26, 2019 | -| **Postman** | [Maximum Laptop Rating in a Price Range](https://www.fastprep.io/problems/postman-maximum-laptop-rating) | [![Practice][p]](https://www.fastprep.io/problems/postman-maximum-laptop-rating) | Aug 30, 2019 | +| **Stripe** | [Subscription and Usage-Based Billing Calculator](https://www.fastprep.io/problems/stripe-subscription-and-usage-billing-calculator) | [![Practice][p]](https://www.fastprep.io/problems/stripe-subscription-and-usage-billing-calculator) | 🔥 Sep 06, 2026 | +| **Capital One** | [Count Good Tuples](https://www.fastprep.io/problems/capital-one-count-good-tuples) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-count-good-tuples) | 🔥 Sep 06, 2026 | +| **Capital One** | [Diagonal Robot Path Sum](https://www.fastprep.io/problems/capital-one-diagonal-robot-path-sum) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-diagonal-robot-path-sum) | 🔥 Sep 06, 2026 | +| **Capital One** | [Rectangle Fit Queries](https://www.fastprep.io/problems/capital-one-rectangle-fit-queries) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-rectangle-fit-queries) | 🔥 Sep 06, 2026 | +| **Capital One** | [Round-Robin WDL Order](https://www.fastprep.io/problems/capital-one-round-robin-wdl-order) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-round-robin-wdl-order) | 🔥 Sep 06, 2026 | +| **Amazon** | [Maximum System Memory Capacity](https://www.fastprep.io/problems/amazon-maximum-capacity) | [![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-capacity) | 🔥 Sep 05, 2026 | +| **Capital One** |[Count Digits 0, 2, and 4](https://www.fastprep.io/problems/capital-one-count-digits-0-2-4)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-count-digits-0-2-4)| 🔥 Sep 05, 2026 | +| **Capital One** |[Inventory Discount Tracker](https://www.fastprep.io/problems/capital-one-inventory-discount-tracker)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-inventory-discount-tracker)| 🔥 Sep 05, 2026 | +| **Capital One** |[Count Alternating Tile Groups](https://www.fastprep.io/problems/capital-one-count-alternating-tile-groups)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-count-alternating-tile-groups)| 🔥 Sep 05, 2026 | +| **Amazon** |[Get Distinct Pairs](https://www.fastprep.io/problems/amazon-get-distinct-pairs)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-distinct-pairs)| 🔥 Sep 05, 2026 | +| **Microsoft** |[Maximum Decrypted Score](https://www.fastprep.io/problems/microsoft-maximum-decrypted-score)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-decrypted-score)| 🔥 Sep 04, 2026 | +| **Microsoft** |[Minimum Team Size From Every Start](https://www.fastprep.io/problems/microsoft-minimum-team-size-from-every-start)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-team-size-from-every-start)| 🔥 Sep 04, 2026 | +| **Google** |[Min Absolute Sum](https://www.fastprep.io/problems/google-min-absolute-sum)|[![Practice][p]](https://www.fastprep.io/problems/google-min-absolute-sum)| 🔥 Sep 04, 2026 | +| **Google** |[Split and Sort](https://www.fastprep.io/problems/google-split-and-sort)|[![Practice][p]](https://www.fastprep.io/problems/google-split-and-sort)| 🔥 Sep 04, 2026 | +| **Roblox** |[Rate Limiter Sliding Window With Per-Entity Limits](https://www.fastprep.io/problems/roblox-rate-limiter-sliding-window-per-entity)|[![Practice][p]](https://www.fastprep.io/problems/roblox-rate-limiter-sliding-window-per-entity)| 🔥 Sep 02, 2026 | +| **Millennium** |[Calculate the Half Spread](https://www.fastprep.io/problems/millennium-calculate-half-spread)|[![Practice][p]](https://www.fastprep.io/problems/millennium-calculate-half-spread)| 🔥 Sep 02, 2026 | +| **Millennium** |[Quote One Request](https://www.fastprep.io/problems/millennium-quote-one-request)|[![Practice][p]](https://www.fastprep.io/problems/millennium-quote-one-request)| 🔥 Sep 02, 2026 | +| **Millennium** |[Debug the Impact Model](https://www.fastprep.io/problems/millennium-debug-impact-model)|[![Practice][p]](https://www.fastprep.io/problems/millennium-debug-impact-model)| 🔥 Sep 02, 2026 | +| **Millennium** |[Risk Limits and Inventory Skew](https://www.fastprep.io/problems/millennium-risk-limits-and-skew)|[![Practice][p]](https://www.fastprep.io/problems/millennium-risk-limits-and-skew)| 🔥 Sep 02, 2026 | +| **Millennium** |[Debug the Risk-Limit Quoter](https://www.fastprep.io/problems/millennium-debug-risk-limit-quoter)|[![Practice][p]](https://www.fastprep.io/problems/millennium-debug-risk-limit-quoter)| 🔥 Sep 02, 2026 | +| **DRW** |[Largest Number With Even Digit Frequencies](https://www.fastprep.io/problems/drw-largest-number-even-digit-frequencies)|[![Practice][p]](https://www.fastprep.io/problems/drw-largest-number-even-digit-frequencies)| 🔥 Sep 02, 2026 | +| **DRW** |[Count Balanced Nodes in a Rooted Tree](https://www.fastprep.io/problems/drw-count-balanced-tree-nodes)|[![Practice][p]](https://www.fastprep.io/problems/drw-count-balanced-tree-nodes)| 🔥 Sep 02, 2026 | +| **DRW** |[Shortest Path Around Rectangular Obstacles](https://www.fastprep.io/problems/drw-shortest-path-rectangular-obstacles)|[![Practice][p]](https://www.fastprep.io/problems/drw-shortest-path-rectangular-obstacles)| 🔥 Sep 02, 2026 | +| **Amazon** |[Minimum Adjacent Swaps to Group Binary Values](https://www.fastprep.io/problems/amazon-minimum-adjacent-swaps-binary-groups)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-adjacent-swaps-binary-groups)| 🔥 Sep 02, 2026 | +| **ByteDance** |[Weighted Round-Robin Seller Task Scheduler](https://www.fastprep.io/problems/bytedance-weighted-round-robin-seller-scheduler)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-weighted-round-robin-seller-scheduler)| 🔥 Sep 02, 2026 | +| **Google** |[Most-Frequent Next-Word Predictor](https://www.fastprep.io/problems/google-most-frequent-next-word-predictor)|[![Practice][p]](https://www.fastprep.io/problems/google-most-frequent-next-word-predictor)| 🔥 Sep 02, 2026 | +| **Google** |[Shortest Path Node Count Avoiding Broken Nodes](https://www.fastprep.io/problems/google-shortest-path-node-count-avoiding-broken-nodes)|[![Practice][p]](https://www.fastprep.io/problems/google-shortest-path-node-count-avoiding-broken-nodes)| 🔥 Sep 02, 2026 | +| **Perplexity AI** |[In-Memory Filesystem Commands](https://www.fastprep.io/problems/perplexity-ai-in-memory-filesystem-commands)|[![Practice][p]](https://www.fastprep.io/problems/perplexity-ai-in-memory-filesystem-commands)| 🔥 Sep 02, 2026 | +| **Reddit** |[Billing Log with Undo and Redo](https://www.fastprep.io/problems/reddit-billing-log-undo-redo)|[![Practice][p]](https://www.fastprep.io/problems/reddit-billing-log-undo-redo)| 🔥 Sep 02, 2026 | +| **Salesforce** |[Implement Merge Sort](https://www.fastprep.io/problems/salesforce-merge-sort)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-merge-sort)| 🔥 Sep 02, 2026 | +| **Salesforce** |[Sorted Doubly Linked List to Balanced BST In Place](https://www.fastprep.io/problems/salesforce-sorted-doubly-linked-list-to-balanced-bst)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-sorted-doubly-linked-list-to-balanced-bst)| 🔥 Sep 02, 2026 | +| **Salesforce** |[Top K Frequent Elements After Each Stream Update](https://www.fastprep.io/problems/salesforce-streaming-top-k-frequent-elements)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-streaming-top-k-frequent-elements)| 🔥 Sep 02, 2026 | +| **Uber** |[Find File Paths in a Directory Tree](https://www.fastprep.io/problems/uber-find-file-paths-in-directory-tree)|[![Practice][p]](https://www.fastprep.io/problems/uber-find-file-paths-in-directory-tree)| 🔥 Sep 02, 2026 | +| **Verkada** |[Common Camera Motion Intervals](https://www.fastprep.io/problems/verkada-common-camera-motion-intervals)|[![Practice][p]](https://www.fastprep.io/problems/verkada-common-camera-motion-intervals)| 🔥 Sep 02, 2026 | +| **ByteDance** |[Alien Dictionary](https://www.fastprep.io/problems/bytedance-alien-dictionary)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-alien-dictionary)| 🔥 Sep 02, 2026 | +| **ByteDance** |[Minimum Removals for Non-Overlapping Intervals](https://www.fastprep.io/problems/bytedance-minimum-interval-removals)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-minimum-interval-removals)| 🔥 Sep 02, 2026 | +| **Goldman Sachs** |[Maximize Element Frequency](https://www.fastprep.io/problems/goldman-sachs-maximize-element-frequency)|[![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-maximize-element-frequency)| 🔥 Sep 01, 2026 | +| **Goldman Sachs** |[Notification Deduplication Window](https://www.fastprep.io/problems/goldman-sachs-notification-deduplication)|[![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-notification-deduplication)| 🔥 Sep 01, 2026 | +| **Stripe** |[Request Routing System](https://www.fastprep.io/problems/stripe-request-routing-system)|[![Practice][p]](https://www.fastprep.io/problems/stripe-request-routing-system)| 🔥 Sep 01, 2026 | +| **Stripe** |[Incident Monitor](https://www.fastprep.io/problems/stripe-incident-monitor)|[![Practice][p]](https://www.fastprep.io/problems/stripe-incident-monitor)| 🔥 Sep 01, 2026 | +| **DoorDash** |[Dasher Pay with Store Waits and Peak Hours](https://www.fastprep.io/problems/doordash-dasher-pay)|[![Practice][p]](https://www.fastprep.io/problems/doordash-dasher-pay)| 🔥 Sep 01, 2026 | +| **Amazon** |[Maximum Frequency Stack](https://www.fastprep.io/problems/amazon-maximum-frequency-stack)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-frequency-stack)| 🔥 Sep 01, 2026 | +| **Goldman Sachs** |[The Maze](https://www.fastprep.io/problems/goldman-sachs-the-maze)|[![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-the-maze)| 🔥 Sep 01, 2026 | +| **JPMorgan Chase** |[Top K Frequent Values Across Key-Partitioned Shards](https://www.fastprep.io/problems/jpmorgan-chase-top-k-frequent-values-distributed)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-chase-top-k-frequent-values-distributed)| 🔥 Sep 01, 2026 | +| **Mercor** |[Shortest Path in a Grid with Obstacles Elimination](https://www.fastprep.io/problems/mercor-shortest-path-in-grid-with-obstacles-elimination)|[![Practice][p]](https://www.fastprep.io/problems/mercor-shortest-path-in-grid-with-obstacles-elimination)| 🔥 Sep 01, 2026 | +| **Microsoft** |[Arithmetic Expression Evaluator](https://www.fastprep.io/problems/microsoft-arithmetic-expression-evaluator)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-arithmetic-expression-evaluator)| 🔥 Sep 01, 2026 | +| **Microsoft** |[Employee Hierarchy Cycle and Depth Analysis](https://www.fastprep.io/problems/microsoft-employee-hierarchy-cycle-and-depth)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-employee-hierarchy-cycle-and-depth)| 🔥 Sep 01, 2026 | +| **Microsoft** |[Most Visited String Sectors](https://www.fastprep.io/problems/microsoft-most-visited-string-sectors)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-most-visited-string-sectors)| 🔥 Sep 01, 2026 | +| **Akuna Capital** |[Minimum Swaps](https://www.fastprep.io/problems/akuna-minimum-swaps)|[![Practice][p]](https://www.fastprep.io/problems/akuna-minimum-swaps)| 🔥 Sep 01, 2026 | +| **Akuna Capital** |[Vowel Substring Game](https://www.fastprep.io/problems/akuna-vowel-substring-game)|[![Practice][p]](https://www.fastprep.io/problems/akuna-vowel-substring-game)| 🔥 Sep 01, 2026 | +| **Akuna Capital** |[Minimum Absolute Difference Pairs](https://www.fastprep.io/problems/akuna-minimum-absolute-difference-pairs)|[![Practice][p]](https://www.fastprep.io/problems/akuna-minimum-absolute-difference-pairs)| 🔥 Sep 01, 2026 | +| **Google** |[Filesystem Entity Total Size](https://www.fastprep.io/problems/google-filesystem-entity-total-size)|[![Practice][p]](https://www.fastprep.io/problems/google-filesystem-entity-total-size)| 🔥 Sep 01, 2026 | +| **LinkedIn** |[Largest Number](https://www.fastprep.io/problems/linkedin-largest-number)|[![Practice][p]](https://www.fastprep.io/problems/linkedin-largest-number)| 🔥 Sep 01, 2026 | +| **Snap Inc.** |[Most Stones Removed with Same Row or Column](https://www.fastprep.io/problems/snap-inc-most-stones-removed)|[![Practice][p]](https://www.fastprep.io/problems/snap-inc-most-stones-removed)| 🔥 Sep 01, 2026 | +| **LinkedIn** |[Repeated Shortest Word Distance Queries](https://www.fastprep.io/problems/linkedin-shortest-word-distance-queries)|[![Practice][p]](https://www.fastprep.io/problems/linkedin-shortest-word-distance-queries)| 🔥 Sep 01, 2026 | +| **Visa** |[Collect Branches for a Bird Nest](https://www.fastprep.io/problems/visa-collect-branches-for-nest)|[![Practice][p]](https://www.fastprep.io/problems/visa-collect-branches-for-nest)| 🔥 Aug 31, 2026 | +| **Visa** |[Count Reverse-Digit Pairs](https://www.fastprep.io/problems/visa-count-reverse-digit-pairs)|[![Practice][p]](https://www.fastprep.io/problems/visa-count-reverse-digit-pairs)| 🔥 Aug 31, 2026 | +| **Rippling** |[Server Management](https://www.fastprep.io/problems/rippling-server-management)|[![Practice][p]](https://www.fastprep.io/problems/rippling-server-management)| 🔥 Aug 31, 2026 | +| **Rippling** |[Costliest Chocolate](https://www.fastprep.io/problems/rippling-costliest-chocolate)|[![Practice][p]](https://www.fastprep.io/problems/rippling-costliest-chocolate)| 🔥 Aug 31, 2026 | +| **Rippling** |[Consistent Logs](https://www.fastprep.io/problems/rippling-consistent-logs)|[![Practice][p]](https://www.fastprep.io/problems/rippling-consistent-logs)| 🔥 Aug 31, 2026 | +| **Salesforce** |[Diameter of an Acyclic Undirected Graph](https://www.fastprep.io/problems/salesforce-tree-diameter)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-tree-diameter)| 🔥 Aug 31, 2026 | +| **Scale AI** |[Four-Player Trick-Taking Card Game Simulation](https://www.fastprep.io/problems/four-player-trick-taking-card-game-simulation)|[![Practice][p]](https://www.fastprep.io/problems/four-player-trick-taking-card-game-simulation)| 🔥 Aug 31, 2026 | +| **Snowflake** |[Design In-Memory File System](https://www.fastprep.io/problems/snowflake-design-in-memory-file-system)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-design-in-memory-file-system)| 🔥 Aug 31, 2026 | +| **MongoDB** |[Recursive Nested JSON Key Search](https://www.fastprep.io/problems/mongodb-recursive-nested-object-key-search)|[![Practice][p]](https://www.fastprep.io/problems/mongodb-recursive-nested-object-key-search)| 🔥 Aug 31, 2026 | +| **Salesforce** |[Path Sum](https://www.fastprep.io/problems/salesforce-path-sum)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-path-sum)| 🔥 Aug 31, 2026 | +| **Uber Freight** |[Maximize Compatible Car Riders](https://www.fastprep.io/problems/uber-freight-maximize-compatible-car-riders)|[![Practice][p]](https://www.fastprep.io/problems/uber-freight-maximize-compatible-car-riders)| 🔥 Aug 31, 2026 | +| **Google** |[Earliest Time of Full Connection](https://www.fastprep.io/problems/google-earliest-full-connection)|[![Practice][p]](https://www.fastprep.io/problems/google-earliest-full-connection)| 🔥 Aug 31, 2026 | +| **Google** |[Parent-Child Deletion Order](https://www.fastprep.io/problems/google-parent-child-deletion-order)|[![Practice][p]](https://www.fastprep.io/problems/google-parent-child-deletion-order)| 🔥 Aug 31, 2026 | +| **Lyft** |[Nested Transaction Key-Value Store with Value Counts](https://www.fastprep.io/problems/lyft-nested-transaction-key-value-store)|[![Practice][p]](https://www.fastprep.io/problems/lyft-nested-transaction-key-value-store)| 🔥 Aug 31, 2026 | +| **Lyft** |[Rotten Oranges / Grid Infection BFS](https://www.fastprep.io/problems/lyft-rotten-oranges-grid-bfs)|[![Practice][p]](https://www.fastprep.io/problems/lyft-rotten-oranges-grid-bfs)| 🔥 Aug 31, 2026 | +| **Amazon** |[Find Median from Data Stream](https://www.fastprep.io/problems/amazon-find-median-from-data-stream)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-median-from-data-stream)| 🔥 Aug 31, 2026 | +| **Amazon** |[Linked-List Queue with Delete and Deduplication](https://www.fastprep.io/problems/amazon-linked-list-queue-operations)|[![Practice][p]](https://www.fastprep.io/problems/amazon-linked-list-queue-operations)| 🔥 Aug 31, 2026 | +| **Databricks** |[Minimize Commute](https://www.fastprep.io/problems/databricks-minimize-commute)|[![Practice][p]](https://www.fastprep.io/problems/databricks-minimize-commute)| 🔥 Aug 31, 2026 | +| **Google** |[Maximize Two Endpoint Values](https://www.fastprep.io/problems/google-maximize-two-endpoint-values)|[![Practice][p]](https://www.fastprep.io/problems/google-maximize-two-endpoint-values)| 🔥 Aug 31, 2026 | +| **OpenAI** |[Poker Deal and Hand-Winner Simulation](https://www.fastprep.io/problems/openai-poker-deal-and-hand-winner)|[![Practice][p]](https://www.fastprep.io/problems/openai-poker-deal-and-hand-winner)| 🔥 Aug 31, 2026 | +| **Pinterest** |[Expression Add Operators](https://www.fastprep.io/problems/pinterest-expression-add-operators)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-expression-add-operators)| 🔥 Aug 31, 2026 | +| **Pinterest** |[Nested JSON Schema Validator](https://www.fastprep.io/problems/pinterest-nested-json-schema-validator)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-nested-json-schema-validator)| 🔥 Aug 31, 2026 | +| **Two Sigma** |[Online No-Intercept Linear Regression](https://www.fastprep.io/problems/two-sigma-online-no-intercept-linear-regression)|[![Practice][p]](https://www.fastprep.io/problems/two-sigma-online-no-intercept-linear-regression)| 🔥 Aug 31, 2026 | +| **Two Sigma** |[Linear Interpolator](https://www.fastprep.io/problems/two-sigma-linear-interpolator)|[![Practice][p]](https://www.fastprep.io/problems/two-sigma-linear-interpolator)| 🔥 Aug 31, 2026 | +| **Matroid** |[Count Good Tuples](https://www.fastprep.io/problems/matroid-count-good-tuples)|[![Practice][p]](https://www.fastprep.io/problems/matroid-count-good-tuples)| 🔥 Aug 30, 2026 | +| **Matroid** |[Validate 3x3 Digit Windows](https://www.fastprep.io/problems/matroid-validate-3x3-digit-windows)|[![Practice][p]](https://www.fastprep.io/problems/matroid-validate-3x3-digit-windows)| 🔥 Aug 30, 2026 | +| **Matroid** |[Diagonal Robot Path Sum](https://www.fastprep.io/problems/matroid-diagonal-robot-path-sum)|[![Practice][p]](https://www.fastprep.io/problems/matroid-diagonal-robot-path-sum)| 🔥 Aug 30, 2026 | +| **Matroid** |[Count House Segments After Destruction](https://www.fastprep.io/problems/matroid-count-house-segments-after-destruction)|[![Practice][p]](https://www.fastprep.io/problems/matroid-count-house-segments-after-destruction)| 🔥 Aug 30, 2026 | +| **Rippling** |[Stateful Log Transform and Search](https://www.fastprep.io/problems/rippling-stateful-log-transform-and-search)|[![Practice][p]](https://www.fastprep.io/problems/rippling-stateful-log-transform-and-search)| 🔥 Aug 30, 2026 | +| **Hadrian** |[Process Graph Rule Validation](https://www.fastprep.io/problems/hadrian-process-graph-rule-validation)|[![Practice][p]](https://www.fastprep.io/problems/hadrian-process-graph-rule-validation)| 🔥 Aug 30, 2026 | +| **Capital One** |[Queue Check-in Simulation with Capacity Limit](https://www.fastprep.io/problems/capital-one-queue-check-in-simulation)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-queue-check-in-simulation)| 🔥 Aug 30, 2026 | +| **Capital One** |[Dynamic Wall Building and Range Query](https://www.fastprep.io/problems/capital-one-dynamic-wall-range-query)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-dynamic-wall-range-query)| 🔥 Aug 30, 2026 | +| **Capital One** |[Count Key Changes](https://www.fastprep.io/problems/capital-one-count-key-changes)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-count-key-changes)| 🔥 Aug 30, 2026 | +| **Capital One** |[Longest Common Prefix of Number Pairs](https://www.fastprep.io/problems/capital-one-longest-common-prefix-of-number-pairs)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-longest-common-prefix-of-number-pairs)| 🔥 Aug 30, 2026 | +| **Microsoft** |[Maximum String Operations](https://www.fastprep.io/problems/microsoft-maximum-string-operations)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-string-operations)| 🔥 Aug 29, 2026 | +| **Microsoft** |[Authentication System](https://www.fastprep.io/problems/microsoft-authentication-system)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-authentication-system)| 🔥 Aug 29, 2026 | +| **Microsoft** |[K Most Recent Unique Request IDs](https://www.fastprep.io/problems/microsoft-k-most-recent-unique-request-ids)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-k-most-recent-unique-request-ids)| 🔥 Aug 29, 2026 | +| **Capital One** |[Product of Digits Minus Sum](https://www.fastprep.io/problems/capital-one-product-minus-sum-of-digits)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-product-minus-sum-of-digits)| 🔥 Aug 29, 2026 | +| **Capital One** |[Minimize Expression Value with Parentheses](https://www.fastprep.io/problems/capital-one-minimize-expression-value-with-parentheses)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-minimize-expression-value-with-parentheses)| 🔥 Aug 29, 2026 | +| **Capital One** |[Leftmost Memory Block Allocator](https://www.fastprep.io/problems/capital-one-leftmost-memory-block-allocator)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-leftmost-memory-block-allocator)| 🔥 Aug 29, 2026 | +| **Capital One** |[Optimal Lamp Coordinate](https://www.fastprep.io/problems/capital-one-optimal-lamp-coordinate)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-optimal-lamp-coordinate)| 🔥 Aug 29, 2026 | +| **Roblox** |[Event ID Check Completion Times](https://www.fastprep.io/problems/roblox-event-id-check-completion-times)|[![Practice][p]](https://www.fastprep.io/problems/roblox-event-id-check-completion-times)| 🔥 Aug 29, 2026 | +| **Roblox** |[Count House Segments After Destruction](https://www.fastprep.io/problems/roblox-count-house-segments-after-destruction)|[![Practice][p]](https://www.fastprep.io/problems/roblox-count-house-segments-after-destruction)| 🔥 Aug 29, 2026 | +| **IBM** |[Plus Mult Array](https://www.fastprep.io/problems/ibm-plus-mult-array)|[![Practice][p]](https://www.fastprep.io/problems/ibm-plus-mult-array)| 🔥 Aug 29, 2026 | +| **IBM** |[Get Maximum Amount](https://www.fastprep.io/problems/ibm-get-maximum-amount)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-maximum-amount)| 🔥 Aug 29, 2026 | +| **Goldman Sachs** |[Palindrome Counter](https://www.fastprep.io/problems/count-palindromes)|[![Practice][p]](https://www.fastprep.io/problems/count-palindromes)| 🔥 Aug 29, 2026 | +| **Amazon** |[Minimum Grid Inconvenience](https://www.fastprep.io/problems/amazon-minimum-grid-inconvenience)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-grid-inconvenience)| 🔥 Aug 28, 2026 | +| **IMC** |[Grid Paths with Override Passes](https://www.fastprep.io/problems/imc-grid-paths-with-override-passes)|[![Practice][p]](https://www.fastprep.io/problems/imc-grid-paths-with-override-passes)| 🔥 Aug 28, 2026 | +| **Walmart** |[Minimum Stress Path](https://www.fastprep.io/problems/walmart-minimum-stress-path)|[![Practice][p]](https://www.fastprep.io/problems/walmart-minimum-stress-path)| 🔥 Aug 27, 2026 | +| **Amazon** |[Minimum Merge Conflicts](https://www.fastprep.io/problems/amazon-minimum-merge-conflicts)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-merge-conflicts)| 🔥 Aug 27, 2026 | +| **Amazon** |[Calculate Beauty Values](https://www.fastprep.io/problems/amazon-calculate-beauty-values)|[![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-beauty-values)| 🔥 Aug 27, 2026 | +| **Microsoft** |[Roll the String](https://www.fastprep.io/problems/microsoft-roll-the-string)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-roll-the-string)| 🔥 Aug 27, 2026 | +| **Microsoft** |[Minimum Length Good Subarray](https://www.fastprep.io/problems/microsoft-minimum-length-good-subarray)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-length-good-subarray)| 🔥 Aug 27, 2026 | +| **Maven Securities** |[Prime Factor Visitation](https://www.fastprep.io/problems/maven-securities-prime-factor-visitation)|[![Practice][p]](https://www.fastprep.io/problems/maven-securities-prime-factor-visitation)| 🔥 Aug 26, 2026 | +| **Maven Securities** |[Resource Allocation](https://www.fastprep.io/problems/maven-securities-resource-allocation)|[![Practice][p]](https://www.fastprep.io/problems/maven-securities-resource-allocation)| 🔥 Aug 26, 2026 | +| **TikTok** |[Event ID Check Completion Times](https://www.fastprep.io/problems/tiktok-event-id-check-completion-times)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-event-id-check-completion-times)| 🔥 Aug 26, 2026 | +| **TikTok** |[Leftmost Memory Block Allocator (for mle also :)](https://www.fastprep.io/problems/tiktok-leftmost-memory-block-allocator)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-leftmost-memory-block-allocator)| 🔥 Aug 26, 2026 | +| **TikTok** |[Find Sum Pairs (for mle also :)](https://www.fastprep.io/problems/tiktok-find-sum-pairs)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-find-sum-pairs)| 🔥 Aug 26, 2026 | +| **TikTok** |[Reverse Letters in Pairs](https://www.fastprep.io/problems/tiktok-reverse-letters-in-pairs)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-reverse-letters-in-pairs)| 🔥 Aug 26, 2026 | +| **ByteDance** |[Match Consecutive Word Boundaries (for mle also :)](https://www.fastprep.io/problems/bytedance-match-consecutive-word-boundaries)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-match-consecutive-word-boundaries)| 🔥 Aug 25, 2026 | +| **ByteDance** |[Minimize Expression Value with Parentheses (for mle also :)](https://www.fastprep.io/problems/bytedance-minimize-expression-value-with-parentheses)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-minimize-expression-value-with-parentheses)| 🔥 Aug 25, 2026 | +| **ByteDance** |[Leftmost Memory Block Allocator (for mle also :)](https://www.fastprep.io/problems/bytedance-leftmost-memory-block-allocator)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-leftmost-memory-block-allocator)| 🔥 Aug 25, 2026 | +| **ByteDance** |[Find Sum Pairs (for mle also :)](https://www.fastprep.io/problems/bytedance-find-sum-pairs)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-find-sum-pairs)| 🔥 Aug 25, 2026 | +| **TikTok** |[Sort Matrix Borders](https://www.fastprep.io/problems/tiktok-sort-matrix-borders)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-sort-matrix-borders)| 🔥 Aug 25, 2026 | +| **TikTok** |[Count Even-Digit Numbers](https://www.fastprep.io/problems/tiktok-count-even-digit-numbers)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-count-even-digit-numbers)| 🔥 Aug 25, 2026 | +| **IBM** |[Expiring Authentication Token Manager](https://www.fastprep.io/problems/ibm-expiring-authentication-token-manager)|[![Practice][p]](https://www.fastprep.io/problems/ibm-expiring-authentication-token-manager)| 🔥 Aug 24, 2026 | +| **Goldman Sachs** |[Maximum Ones After K Operations](https://www.fastprep.io/problems/goldman-sachs-maximum-ones-after-k-operations)|[![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-maximum-ones-after-k-operations)| 🔥 Aug 24, 2026 | +| **Microsoft** |[Maximum Products by Budget](https://www.fastprep.io/problems/1.microsoft-maximum-products-by-budget)|[![Practice][p]](https://www.fastprep.io/problems/1.microsoft-maximum-products-by-budget)| 🔥 Aug 24, 2026 | +| **TikTok** |[Repeated Grouped Digit Sum](https://www.fastprep.io/problems/tiktok-repeated-grouped-digit-sum)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-repeated-grouped-digit-sum)| 🔥 Aug 24, 2026 | +| **Airbnb** |[Progressive Banking System](https://www.fastprep.io/problems/airbnb-progressive-banking-system)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-progressive-banking-system)| 🔥 Aug 23, 2026 | +| **Citadel** |[Maximize Workday Earnings](https://www.fastprep.io/problems/citadel-maximize-workday-earnings)|[![Practice][p]](https://www.fastprep.io/problems/citadel-maximize-workday-earnings)| 🔥 Aug 23, 2026 | +| **Citadel** |[Minimum Changes for Palindromic Blocks](https://www.fastprep.io/problems/citadel-minimum-changes-palindromic-blocks)|[![Practice][p]](https://www.fastprep.io/problems/citadel-minimum-changes-palindromic-blocks)| 🔥 Aug 23, 2026 | +| **Google** |[Assign Locker](https://www.fastprep.io/problems/google-assign-locker)|[![Practice][p]](https://www.fastprep.io/problems/google-assign-locker)| 🔥 Aug 23, 2026 | +| **Microsoft** |[Minimum Fuel Cost Between Cities](https://www.fastprep.io/problems/microsoft-minimum-fuel-cost)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-fuel-cost)| 🔥 Aug 23, 2026 | +| **Barclays** |[Allocate Workers for a Production Ratio](https://www.fastprep.io/problems/barclays-production-ratio-worker-allocation)|[![Practice][p]](https://www.fastprep.io/problems/barclays-production-ratio-worker-allocation)| 🆕 Aug 22, 2026 | +| **Anthropic** |[Cloud Storage System](https://www.fastprep.io/problems/anthropic-cloud-storage-system)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-cloud-storage-system)| 🆕 Aug 22, 2026 | +| **Google** |[Directed Graph Reachability Queries](https://www.fastprep.io/problems/google-directed-graph-reachability-queries)|[![Practice][p]](https://www.fastprep.io/problems/google-directed-graph-reachability-queries)| 🆕 Aug 21, 2026 | +| **Pinterest** |[Phone Spam Report Counter](https://www.fastprep.io/problems/pinterest-phone-spam-report-counter)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-phone-spam-report-counter)| 🆕 Aug 21, 2026 | +| **Pinterest** |[Minimize the Longest Hike Between Rest Stops](https://www.fastprep.io/problems/pinterest-minimize-longest-hike-between-rest-stops)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-minimize-longest-hike-between-rest-stops)| 🆕 Aug 21, 2026 | +| **Netflix** |[Undo and Redo Command History](https://www.fastprep.io/problems/netflix-undo-redo-command-history)|[![Practice][p]](https://www.fastprep.io/problems/netflix-undo-redo-command-history)| 🆕 Aug 21, 2026 | +| **Pinterest** |[Count Ordered Combination Sums with Negative Values](https://www.fastprep.io/problems/pinterest-count-ordered-combination-sums-with-negative-values)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-count-ordered-combination-sums-with-negative-values)| 🆕 Aug 21, 2026 | +| **Pinterest** |[Count Ordered Combination Sums](https://www.fastprep.io/problems/pinterest-count-ordered-combination-sums)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-count-ordered-combination-sums)| 🆕 Aug 21, 2026 | +| **Pinterest** |[Fixed-Length Combination Sum](https://www.fastprep.io/problems/pinterest-fixed-length-combination-sum)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-fixed-length-combination-sum)| 🆕 Aug 21, 2026 | +| **Pinterest** |[Combination Sum with Single-Use Values](https://www.fastprep.io/problems/pinterest-combination-sum-with-single-use)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-combination-sum-with-single-use)| 🆕 Aug 21, 2026 | +| **Pinterest** |[Combination Sum with Reusable Values](https://www.fastprep.io/problems/pinterest-combination-sum-with-reuse)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-combination-sum-with-reuse)| 🆕 Aug 21, 2026 | +| **Affirm** |[Assign Sequential Loan Identifiers](https://www.fastprep.io/problems/affirm-assign-sequential-loan-identifiers)|[![Practice][p]](https://www.fastprep.io/problems/affirm-assign-sequential-loan-identifiers)| 🆕 Aug 21, 2026 | +| **Affirm** |[Normalize Loan Merchants to Root Businesses](https://www.fastprep.io/problems/affirm-normalize-loan-merchants-to-root-business)|[![Practice][p]](https://www.fastprep.io/problems/affirm-normalize-loan-merchants-to-root-business)| 🆕 Aug 21, 2026 | +| **Apple** |[Design Hash Map](https://www.fastprep.io/problems/apple-design-hashmap)|[![Practice][p]](https://www.fastprep.io/problems/apple-design-hashmap)| 🆕 Aug 21, 2026 | +| **Rippling** |[Delivery Cost Tracker with Effective-Dated Rates](https://www.fastprep.io/problems/rippling-delivery-cost-tracker-with-rate-history)|[![Practice][p]](https://www.fastprep.io/problems/rippling-delivery-cost-tracker-with-rate-history)| 🆕 Aug 21, 2026 | +| **ByteDance** |[Search in a Rotated Sorted Array with Duplicates](https://www.fastprep.io/problems/bytedance-search-in-rotated-sorted-array-with-duplicates)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-search-in-rotated-sorted-array-with-duplicates)| 🆕 Aug 21, 2026 | +| **OpenAI** |[One-Nearest-Neighbor Classification](https://www.fastprep.io/problems/openai-one-nearest-neighbor-classification)|[![Practice][p]](https://www.fastprep.io/problems/openai-one-nearest-neighbor-classification)| 🆕 Aug 21, 2026 | +| **OpenAI** |[Plant Infection Simulation, Part 4: Death Countdown](https://www.fastprep.io/problems/openai-infection-simulation-part-4)|[![Practice][p]](https://www.fastprep.io/problems/openai-infection-simulation-part-4)| 🆕 Aug 21, 2026 | +| **Illumio** |[Least Recently Used Cache](https://www.fastprep.io/problems/illumio-least-recently-used-cache)|[![Practice][p]](https://www.fastprep.io/problems/illumio-least-recently-used-cache)| 🆕 Aug 21, 2026 | +| **Cursor** |[Filesystem Hash Tree](https://www.fastprep.io/problems/cursor-filesystem-hash-tree)|[![Practice][p]](https://www.fastprep.io/problems/cursor-filesystem-hash-tree)| 🆕 Aug 21, 2026 | +| **Google** |[Minimum Racks for Server Resources](https://www.fastprep.io/problems/google-minimum-racks-for-server-resources)|[![Practice][p]](https://www.fastprep.io/problems/google-minimum-racks-for-server-resources)| 🆕 Aug 21, 2026 | +| **Meta** |[First Common Ancestor with Parent Pointers](https://www.fastprep.io/problems/meta-first-common-ancestor-with-parent-pointers)|[![Practice][p]](https://www.fastprep.io/problems/meta-first-common-ancestor-with-parent-pointers)| 🆕 Aug 21, 2026 | +| **Meta** |[Minimum Removal for Balanced Parentheses](https://www.fastprep.io/problems/meta-minimum-removal-for-balanced-parentheses)|[![Practice][p]](https://www.fastprep.io/problems/meta-minimum-removal-for-balanced-parentheses)| 🆕 Aug 21, 2026 | +| **Google** |[Count Prefix Paths in a Character Graph](https://www.fastprep.io/problems/google-count-prefix-paths-in-character-graph)|[![Practice][p]](https://www.fastprep.io/problems/google-count-prefix-paths-in-character-graph)| 🆕 Aug 21, 2026 | +| **Airbnb** |[Cloud Storage with User Backup and Restore](https://www.fastprep.io/problems/airbnb-cloud-storage-backup-and-restore)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-cloud-storage-backup-and-restore)| 🆕 Aug 21, 2026 | +| **Anthropic** |[Task Management System](https://www.fastprep.io/problems/anthropic-task-management-system)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-task-management-system)| 🆕 Aug 21, 2026 | +| **General Motors** |[Per-Client Sliding-Window Rate Limiter](https://www.fastprep.io/problems/general-motors-per-client-sliding-window-rate-limiter)|[![Practice][p]](https://www.fastprep.io/problems/general-motors-per-client-sliding-window-rate-limiter)| 🆕 Aug 21, 2026 | +| **Netflix** |[Timed Cache with Sidecar Cleanup](https://www.fastprep.io/problems/netflix-timed-cache-with-sidecar-cleanup)|[![Practice][p]](https://www.fastprep.io/problems/netflix-timed-cache-with-sidecar-cleanup)| 🆕 Aug 21, 2026 | +| **ByteDance** |[Count Numbers with an Even Digit Count](https://www.fastprep.io/problems/bytedance-count-even-digit-numbers)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-count-even-digit-numbers)| 🆕 Aug 21, 2026 | +| **ByteDance** |[Sorted Absolute-Difference Sums Across Cyclic Shifts](https://www.fastprep.io/problems/bytedance-cyclic-shift-absolute-difference-sums)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-cyclic-shift-absolute-difference-sums)| 🆕 Aug 21, 2026 | +| **ByteDance** |[Sort Concentric Matrix Borders Clockwise](https://www.fastprep.io/problems/bytedance-sort-matrix-borders)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-sort-matrix-borders)| 🆕 Aug 21, 2026 | +| **ByteDance** |[Count House Segments After Sequential Destruction](https://www.fastprep.io/problems/bytedance-count-house-segments-after-destruction)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-count-house-segments-after-destruction)| 🆕 Aug 21, 2026 | +| **Quince** |[Minimum Sprinklers to Cover an Interval](https://www.fastprep.io/problems/quince-minimum-sprinklers-to-cover-an-interval)|[![Practice][p]](https://www.fastprep.io/problems/quince-minimum-sprinklers-to-cover-an-interval)| 🆕 Aug 21, 2026 | +| **Quince** |[Check a Repeated String as a Subsequence](https://www.fastprep.io/problems/quince-check-a-repeated-string-as-a-subsequence)|[![Practice][p]](https://www.fastprep.io/problems/quince-check-a-repeated-string-as-a-subsequence)| 🆕 Aug 21, 2026 | +| **Temu** |[Merge Two Sorted Collections Without Duplicates](https://www.fastprep.io/problems/temu-merge-two-sorted-collections-without-duplicates)|[![Practice][p]](https://www.fastprep.io/problems/temu-merge-two-sorted-collections-without-duplicates)| 🆕 Aug 21, 2026 | +| **IBM** |[Drawing Edge](https://www.fastprep.io/problems/ibm-drawing-edge)|[![Practice][p]](https://www.fastprep.io/problems/ibm-drawing-edge)| 🆕 Aug 20, 2026 | +| **IBM** |[Increasing-Value Triplets Under a Threshold](https://www.fastprep.io/problems/ibm-increasing-value-triplets-under-threshold)|[![Practice][p]](https://www.fastprep.io/problems/ibm-increasing-value-triplets-under-threshold)| 🆕 Aug 20, 2026 | +| **Meta** |[Maximum Unique-Character Word Subset](https://www.fastprep.io/problems/meta-maximum-unique-character-word-subset)|[![Practice][p]](https://www.fastprep.io/problems/meta-maximum-unique-character-word-subset)| 🆕 Aug 20, 2026 | +| **Meta** |[Validate a Palindrome After Limited Deletions](https://www.fastprep.io/problems/meta-palindrome-k-deletions)|[![Practice][p]](https://www.fastprep.io/problems/meta-palindrome-k-deletions)| 🆕 Aug 20, 2026 | +| **Meta** |[Minimum-Sum Root-to-Leaf Path](https://www.fastprep.io/problems/meta-minimum-sum-root-to-leaf-path)|[![Practice][p]](https://www.fastprep.io/problems/meta-minimum-sum-root-to-leaf-path)| 🆕 Aug 20, 2026 | +| **Nuro** |[Schedule Buffered Video Playback](https://www.fastprep.io/problems/nuro-schedule-buffered-video-playback)|[![Practice][p]](https://www.fastprep.io/problems/nuro-schedule-buffered-video-playback)| 🆕 Aug 20, 2026 | +| **Nuro** |[Reveal a Minesweeper Region](https://www.fastprep.io/problems/nuro-reveal-minesweeper-region)|[![Practice][p]](https://www.fastprep.io/problems/nuro-reveal-minesweeper-region)| 🆕 Aug 20, 2026 | +| **IBM** |[Count Invalid Log Groups](https://www.fastprep.io/problems/ibm-count-invalid-log-groups)|[![Practice][p]](https://www.fastprep.io/problems/ibm-count-invalid-log-groups)| 🆕 Aug 18, 2026 | +| **IBM** |[Count Paginated Medical Records in a Range](https://www.fastprep.io/problems/ibm-count-paginated-medical-records-in-range)|[![Practice][p]](https://www.fastprep.io/problems/ibm-count-paginated-medical-records-in-range)| 🆕 Aug 18, 2026 | +| **IMC** |[Rock Jumping](https://www.fastprep.io/problems/imc-rock-jumping)|[![Practice][p]](https://www.fastprep.io/problems/imc-rock-jumping)| 🆕 Aug 13, 2026 | +| **IMC** |[Stack Batch Removal](https://www.fastprep.io/problems/imc-stack-batch-removal)|[![Practice][p]](https://www.fastprep.io/problems/imc-stack-batch-removal)| 🆕 Aug 13, 2026 | +| **IBM** |[Maximize Consecutive XOR](https://www.fastprep.io/problems/ibm-maximize-consecutive-xor)|[![Practice][p]](https://www.fastprep.io/problems/ibm-maximize-consecutive-xor)| 🆕 Aug 09, 2026 | +| **IBM** |[Count Digit Holes](https://www.fastprep.io/problems/ibm-count-digit-holes)|[![Practice][p]](https://www.fastprep.io/problems/ibm-count-digit-holes)| 🆕 Aug 09, 2026 | +| **TikTok** |[Distribution Center Package Allocation](https://www.fastprep.io/problems/tiktok-distribution-center-package-allocation)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-distribution-center-package-allocation)| 🆕 Aug 05, 2026 | +| **TikTok** |[Concatenate Digit-wise Sums](https://www.fastprep.io/problems/tiktok-concatenate-digit-wise-sums)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-concatenate-digit-wise-sums)| 🆕 Aug 05, 2026 | +| **TikTok** |[Count 2x2 Submatrices by Black Cells](https://www.fastprep.io/problems/tiktok-count-black-blocks)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-count-black-blocks)| 🆕 Aug 05, 2026 | +| **TikTok** |[Count House Segments After Destruction](https://www.fastprep.io/problems/tiktok-count-house-segments-after-destruction)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-count-house-segments-after-destruction)| 🆕 Aug 05, 2026 | +| **TikTok** |[Debugger Breakpoint Actions](https://www.fastprep.io/problems/tiktok-debugger-breakpoint-actions)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-debugger-breakpoint-actions)| 🆕 Aug 05, 2026 | +| **TikTok** |[Find All Local Peaks](https://www.fastprep.io/problems/tiktok-find-all-local-peaks)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-find-all-local-peaks)| 🆕 Aug 05, 2026 | +| **TikTok** |[Minimum Height Difference Between Distant Peaks](https://www.fastprep.io/problems/tiktok-minimum-height-difference-between-distant-peaks)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-minimum-height-difference-between-distant-peaks)| 🆕 Aug 05, 2026 | +| **TikTok** |[Minimum Operations for Stepwise Structures](https://www.fastprep.io/problems/tiktok-minimum-operations-for-stepwise-structures)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-minimum-operations-for-stepwise-structures)| 🆕 Aug 05, 2026 | +| **TikTok** |[Rating Level After Changes](https://www.fastprep.io/problems/tiktok-rating-level-after-changes)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-rating-level-after-changes)| 🆕 Aug 05, 2026 | +| **TikTok** |[Space Station Shuttle Missions](https://www.fastprep.io/problems/tiktok-space-station-shuttle-missions)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-space-station-shuttle-missions)| 🆕 Aug 05, 2026 | +| **IMC** |[Weighted LFU Cache](https://www.fastprep.io/problems/imc-weighted-lfu-cache)|[![Practice][p]](https://www.fastprep.io/problems/imc-weighted-lfu-cache)| 🆕 Aug 05, 2026 | +| **TikTok** |[Count Case-Insensitive Triplets](https://www.fastprep.io/problems/tiktok-count-case-insensitive-triplets)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-count-case-insensitive-triplets)| 🆕 Aug 04, 2026 | +| **TikTok** |[Linear Warehouse Drone Delivery](https://www.fastprep.io/problems/tiktok-linear-warehouse-drone-delivery)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-linear-warehouse-drone-delivery)| 🆕 Aug 04, 2026 | +| **Capital One** |[Obstacle Placement Queries](https://www.fastprep.io/problems/capital-one-obstacle-placement-queries)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-obstacle-placement-queries)| 🆕 Aug 04, 2026 | +| **TikTok** |[Product Minus Sum of Digits](https://www.fastprep.io/problems/tiktok-product-minus-sum-of-digits)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-product-minus-sum-of-digits)| 🆕 Aug 04, 2026 | +| **IMC** |[Chain of Command](https://www.fastprep.io/problems/imc-chain-of-command)|[![Practice][p]](https://www.fastprep.io/problems/imc-chain-of-command)| 🆕 Aug 04, 2026 | +| **IMC** |[Choose Containers](https://www.fastprep.io/problems/imc-choose-containers)|[![Practice][p]](https://www.fastprep.io/problems/imc-choose-containers)| 🆕 Aug 04, 2026 | +| **HSBC** |[Minimum Satellite Data Transfer Iterations](https://www.fastprep.io/problems/hsbc-minimum-satellite-transfer-iterations)|[![Practice][p]](https://www.fastprep.io/problems/hsbc-minimum-satellite-transfer-iterations)| 🆕 Aug 03, 2026 | +| **HSBC** |[Organization Reputation After Employee Departures](https://www.fastprep.io/problems/hsbc-organization-reputation-after-departures)|[![Practice][p]](https://www.fastprep.io/problems/hsbc-organization-reputation-after-departures)| 🆕 Aug 03, 2026 | +| **HSBC** |[Remove Vowels from a String](https://www.fastprep.io/problems/hsbc-remove-vowels)|[![Practice][p]](https://www.fastprep.io/problems/hsbc-remove-vowels)| 🆕 Aug 03, 2026 | +| **Infosys** |[Count Valid A-B-C Sequences Under a Modulo-Four Rule](https://www.fastprep.io/problems/infosys-count-valid-abc-sequences-mod-four)|[![Practice][p]](https://www.fastprep.io/problems/infosys-count-valid-abc-sequences-mod-four)| 🆕 Aug 02, 2026 | +| **Infosys** |[Maximum Product of a Strictly Increasing Contiguous Subarray](https://www.fastprep.io/problems/infosys-maximum-product-increasing-subarray)|[![Practice][p]](https://www.fastprep.io/problems/infosys-maximum-product-increasing-subarray)| 🆕 Aug 02, 2026 | +| **Infosys** |[Minimum Cost to Assign Candidates to Two Cities](https://www.fastprep.io/problems/infosys-two-city-candidate-assignment-cost)|[![Practice][p]](https://www.fastprep.io/problems/infosys-two-city-candidate-assignment-cost)| 🆕 Aug 02, 2026 | +| **Superhuman** |[Reverse a Singly Linked List](https://www.fastprep.io/problems/superhuman-reverse-linked-list)|[![Practice][p]](https://www.fastprep.io/problems/superhuman-reverse-linked-list)| 🆕 Jul 31, 2026 | +| **Superhuman** |[Recover a Tree from Preorder Depth Encoding](https://www.fastprep.io/problems/superhuman-recover-tree-from-preorder-depth)|[![Practice][p]](https://www.fastprep.io/problems/superhuman-recover-tree-from-preorder-depth)| 🆕 Jul 31, 2026 | +| **Superhuman** |[Deep Copy a Singly Linked List](https://www.fastprep.io/problems/superhuman-deep-copy-linked-list)|[![Practice][p]](https://www.fastprep.io/problems/superhuman-deep-copy-linked-list)| 🆕 Jul 31, 2026 | +| **Superhuman** |[Deep Copy a Random-Pointer List](https://www.fastprep.io/problems/superhuman-copy-random-pointer-list)|[![Practice][p]](https://www.fastprep.io/problems/superhuman-copy-random-pointer-list)| 🆕 Jul 31, 2026 | +| **Amazon** |[Meeting Rooms II](https://www.fastprep.io/problems/amazon-meeting-rooms-ii)|[![Practice][p]](https://www.fastprep.io/problems/amazon-meeting-rooms-ii)| 🆕 Jul 30, 2026 | +| **Microsoft** |[Maximum Score with Prime Jumps](https://www.fastprep.io/problems/microsoft-maximum-score-with-prime-jumps)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-score-with-prime-jumps)| 🆕 Jul 30, 2026 | +| **Visa** |[Connected Groups](https://www.fastprep.io/problems/visa-connected-groups)|[![Practice][p]](https://www.fastprep.io/problems/visa-connected-groups)| 🆕 Jul 30, 2026 | +| **Visa** |[Perfect Substrings](https://www.fastprep.io/problems/visa-perfect-substring)|[![Practice][p]](https://www.fastprep.io/problems/visa-perfect-substring)| 🆕 Jul 30, 2026 | +| **Oracle** |[Alphabetically Maximum Substring](https://www.fastprep.io/problems/oracle-alphabetically-maximum-substring)|[![Practice][p]](https://www.fastprep.io/problems/oracle-alphabetically-maximum-substring)| 🆕 Jul 30, 2026 | +| **Lyft** |[Stateful Paginated Fetch N](https://www.fastprep.io/problems/lyft-stateful-paginated-fetch-n)|[![Practice][p]](https://www.fastprep.io/problems/lyft-stateful-paginated-fetch-n)| 🆕 Jul 30, 2026 | +| **StackAdapt** |[Nested Recipe Inventory Manager](https://www.fastprep.io/problems/stackadapt-nested-recipe-inventory-manager)|[![Practice][p]](https://www.fastprep.io/problems/stackadapt-nested-recipe-inventory-manager)| 🆕 Jul 30, 2026 | +| **Snowflake** |[Distributed Tree Counting State Machine](https://www.fastprep.io/problems/snowflake-distributed-tree-counting-state-machine)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-distributed-tree-counting-state-machine)| 🆕 Jul 30, 2026 | +| **Snowflake** |[Maximum Number of Events That Can Be Attended](https://www.fastprep.io/problems/snowflake-maximum-number-of-events-that-can-be-attended)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-maximum-number-of-events-that-can-be-attended)| 🆕 Jul 30, 2026 | +| **Amazon** |[Single Element in a Sorted Array](https://www.fastprep.io/problems/amazon-single-element-in-sorted-array)|[![Practice][p]](https://www.fastprep.io/problems/amazon-single-element-in-sorted-array)| 🆕 Jul 30, 2026 | +| **eBay** |[K Smallest Elements from Sorted Arrays](https://www.fastprep.io/problems/ebay-k-smallest-from-sorted-arrays)|[![Practice][p]](https://www.fastprep.io/problems/ebay-k-smallest-from-sorted-arrays)| 🆕 Jul 30, 2026 | +| **eBay** |[Single-Pass Search in a Rotated Sorted Array](https://www.fastprep.io/problems/ebay-single-pass-rotated-array-search)|[![Practice][p]](https://www.fastprep.io/problems/ebay-single-pass-rotated-array-search)| 🆕 Jul 30, 2026 | +| **Opendoor** |[Finite Same-Origin Web Crawler](https://www.fastprep.io/problems/opendoor-finite-web-crawler)|[![Practice][p]](https://www.fastprep.io/problems/opendoor-finite-web-crawler)| 🆕 Jul 30, 2026 | +| **Oracle** |[Enumerate Right-and-Down Matrix Paths](https://www.fastprep.io/problems/oracle-enumerate-right-down-matrix-paths)|[![Practice][p]](https://www.fastprep.io/problems/oracle-enumerate-right-down-matrix-paths)| 🆕 Jul 30, 2026 | +| **Oracle** |[Maximize Movie Ratings Without Consecutive Skips](https://www.fastprep.io/problems/oracle-maximize-movie-ratings)|[![Practice][p]](https://www.fastprep.io/problems/oracle-maximize-movie-ratings)| 🆕 Jul 30, 2026 | +| **DoorDash** |[Random Dasher Set Operations](https://www.fastprep.io/problems/doordash-random-dasher-set)|[![Practice][p]](https://www.fastprep.io/problems/doordash-random-dasher-set)| 🆕 Jul 30, 2026 | +| **Databricks** |[Key-Value Store with Hit Counter](https://www.fastprep.io/problems/databricks-key-value-store-with-hit-counter)|[![Practice][p]](https://www.fastprep.io/problems/databricks-key-value-store-with-hit-counter)| 🆕 Jul 30, 2026 | +| **Oracle** |[Best Time to Buy and Sell Stock](https://www.fastprep.io/problems/oracle-best-time-to-buy-and-sell-stock)|[![Practice][p]](https://www.fastprep.io/problems/oracle-best-time-to-buy-and-sell-stock)| 🆕 Jul 30, 2026 | +| **IBM** |[String-Pair Frequency Similarity](https://www.fastprep.io/problems/ibm-string-pair-frequency-similarity)|[![Practice][p]](https://www.fastprep.io/problems/ibm-string-pair-frequency-similarity)| 🆕 Jul 30, 2026 | +| **Cognitiv** |[Word Search](https://www.fastprep.io/problems/cognitiv-word-search)|[![Practice][p]](https://www.fastprep.io/problems/cognitiv-word-search)| 🆕 Jul 29, 2026 | +| **Reddit** |[Chatter Message Window](https://www.fastprep.io/problems/reddit-chatter-message-window)|[![Practice][p]](https://www.fastprep.io/problems/reddit-chatter-message-window)| 🆕 Jul 29, 2026 | +| **Amazon** |[Count the Number of Complete Components](https://www.fastprep.io/problems/amazon-count-complete-components)|[![Practice][p]](https://www.fastprep.io/problems/amazon-count-complete-components)| 🆕 Jul 29, 2026 | +| **Amazon** |[Cousins in Binary Tree II](https://www.fastprep.io/problems/amazon-cousins-in-binary-tree-ii)|[![Practice][p]](https://www.fastprep.io/problems/amazon-cousins-in-binary-tree-ii)| 🆕 Jul 29, 2026 | +| **Squarepoint** |[Evaluating Circuit Expressions](https://www.fastprep.io/problems/squarepoint-evaluating-circuit-expressions)|[![Practice][p]](https://www.fastprep.io/problems/squarepoint-evaluating-circuit-expressions)| 🆕 Jul 29, 2026 | +| **Rippling** |[Filter and Sort Scheduled Tasks](https://www.fastprep.io/problems/rippling-filter-and-sort-scheduled-tasks)|[![Practice][p]](https://www.fastprep.io/problems/rippling-filter-and-sort-scheduled-tasks)| 🆕 Jul 29, 2026 | +| **Google** |[Longest Subarray with Sum at Most K](https://www.fastprep.io/problems/google-longest-subarray-sum-at-most-k)|[![Practice][p]](https://www.fastprep.io/problems/google-longest-subarray-sum-at-most-k)| 🆕 Jul 29, 2026 | +| **Google** |[Maximum Sum Path Between Two Leaf Nodes](https://www.fastprep.io/problems/google-maximum-leaf-to-leaf-path-sum)|[![Practice][p]](https://www.fastprep.io/problems/google-maximum-leaf-to-leaf-path-sum)| 🆕 Jul 29, 2026 | +| **Amazon** |[Minimum Operations to Make an Array Continuous](https://www.fastprep.io/problems/amazon-minimum-operations-to-make-array-continuous)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-operations-to-make-array-continuous)| 🆕 Jul 29, 2026 | +| **Lyft** |[Minimum Window Substring](https://www.fastprep.io/problems/lyft-minimum-window-substring)|[![Practice][p]](https://www.fastprep.io/problems/lyft-minimum-window-substring)| 🆕 Jul 29, 2026 | +| **Netflix** |[Movie Billboard Rotation](https://www.fastprep.io/problems/netflix-movie-billboard-rotation)|[![Practice][p]](https://www.fastprep.io/problems/netflix-movie-billboard-rotation)| 🆕 Jul 29, 2026 | +| **Instacart** |[Product Total With the Cheapest Promotion](https://www.fastprep.io/problems/instacart-product-total-with-cheapest-promotion)|[![Practice][p]](https://www.fastprep.io/problems/instacart-product-total-with-cheapest-promotion)| 🆕 Jul 29, 2026 | +| **Airbnb** |[Recipe Management System](https://www.fastprep.io/problems/airbnb-recipe-management-system)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-recipe-management-system)| 🆕 Jul 29, 2026 | +| **Instacart** |[Sort Products by Aisle With Frozen Items Last](https://www.fastprep.io/problems/instacart-sort-products-by-aisle-with-frozen-last)|[![Practice][p]](https://www.fastprep.io/problems/instacart-sort-products-by-aisle-with-frozen-last)| 🆕 Jul 29, 2026 | +| **Amazon** |[Vertical Order Traversal of a Binary Tree](https://www.fastprep.io/problems/amazon-vertical-order-traversal-of-binary-tree)|[![Practice][p]](https://www.fastprep.io/problems/amazon-vertical-order-traversal-of-binary-tree)| 🆕 Jul 29, 2026 | +| **Harness** |[Streaming Ingredient Dishes](https://www.fastprep.io/problems/harness-streaming-ingredient-dishes)|[![Practice][p]](https://www.fastprep.io/problems/harness-streaming-ingredient-dishes)| 🆕 Jul 28, 2026 | +| **Oracle** |[Add One to a Number Represented as Digits](https://www.fastprep.io/problems/oracle-plus-one-digits)|[![Practice][p]](https://www.fastprep.io/problems/oracle-plus-one-digits)| 🆕 Jul 28, 2026 | +| **Oracle** |[Top K Frequent Elements with Larger-Value Tie Break](https://www.fastprep.io/problems/oracle-top-k-frequent-elements)|[![Practice][p]](https://www.fastprep.io/problems/oracle-top-k-frequent-elements)| 🆕 Jul 28, 2026 | +| **Virtu Financial** |[Profit Analysis](https://www.fastprep.io/problems/virtu-profit-analysis)|[![Practice][p]](https://www.fastprep.io/problems/virtu-profit-analysis)| 🆕 Jul 28, 2026 | +| **Virtu Financial** |[Banking Transaction Exceptions](https://www.fastprep.io/problems/virtu-banking-transaction-exceptions)|[![Practice][p]](https://www.fastprep.io/problems/virtu-banking-transaction-exceptions)| 🆕 Jul 28, 2026 | +| **Virtu Financial** |[FIX Message Reconciliation](https://www.fastprep.io/problems/virtu-fix-message-reconciliation)|[![Practice][p]](https://www.fastprep.io/problems/virtu-fix-message-reconciliation)| 🆕 Jul 28, 2026 | +| **Amazon** |[HTTP Request Redirection](https://www.fastprep.io/problems/amazon-http-request-redirection)|[![Practice][p]](https://www.fastprep.io/problems/amazon-http-request-redirection)| 🆕 Jul 28, 2026 | +| **Google** |[Split a Log Outside Quotes](https://www.fastprep.io/problems/google-split-log-outside-quotes)|[![Practice][p]](https://www.fastprep.io/problems/google-split-log-outside-quotes)| 🆕 Jul 28, 2026 | +| **Stripe** |[Group Linked Merchant Records](https://www.fastprep.io/problems/stripe-linked-merchant-groups)|[![Practice][p]](https://www.fastprep.io/problems/stripe-linked-merchant-groups)| 🆕 Jul 28, 2026 | +| **Apple** |[Insert Interval](https://www.fastprep.io/problems/apple-insert-interval)|[![Practice][p]](https://www.fastprep.io/problems/apple-insert-interval)| 🆕 Jul 28, 2026 | +| **Google** |[Decode String](https://www.fastprep.io/problems/google-decode-string)|[![Practice][p]](https://www.fastprep.io/problems/google-decode-string)| 🆕 Jul 28, 2026 | +| **Lyft** |[Minimum Workers with Job Assignments](https://www.fastprep.io/problems/lyft-minimum-workers-job-assignments)|[![Practice][p]](https://www.fastprep.io/problems/lyft-minimum-workers-job-assignments)| 🆕 Jul 28, 2026 | +| **Databricks** |[Blocking Keyed Cache with Waiting Readers](https://www.fastprep.io/problems/databricks-blocking-keyed-cache)|[![Practice][p]](https://www.fastprep.io/problems/databricks-blocking-keyed-cache)| 🆕 Jul 28, 2026 | +| **Google** |[Phone Keypad Letter Combinations](https://www.fastprep.io/problems/google-phone-keypad-letter-combinations)|[![Practice][p]](https://www.fastprep.io/problems/google-phone-keypad-letter-combinations)| 🆕 Jul 28, 2026 | +| **Google** |[Count Prefix Matches in a Sorted Array](https://www.fastprep.io/problems/google-count-prefix-matches)|[![Practice][p]](https://www.fastprep.io/problems/google-count-prefix-matches)| 🆕 Jul 28, 2026 | +| **Uber** |[Minimum Refueling Stops](https://www.fastprep.io/problems/uber-minimum-refueling-stops)|[![Practice][p]](https://www.fastprep.io/problems/uber-minimum-refueling-stops)| 🆕 Jul 28, 2026 | +| **OpenAI** |[Segmented Durable Key-Value Store](https://www.fastprep.io/problems/openai-segmented-durable-key-value-store)|[![Practice][p]](https://www.fastprep.io/problems/openai-segmented-durable-key-value-store)| 🆕 Jul 28, 2026 | +| **Cresta** |[Particle Moves to Target](https://www.fastprep.io/problems/cresta-particle-moves-to-target)|[![Practice][p]](https://www.fastprep.io/problems/cresta-particle-moves-to-target)| 🆕 Jul 28, 2026 | +| **Cresta** |[Top Three Companies by Profit](https://www.fastprep.io/problems/cresta-top-three-companies-by-profit)|[![Practice][p]](https://www.fastprep.io/problems/cresta-top-three-companies-by-profit)| 🆕 Jul 28, 2026 | +| **Cresta** |[Rightward Bacteria Consumption](https://www.fastprep.io/problems/cresta-rightward-bacteria-consumption)|[![Practice][p]](https://www.fastprep.io/problems/cresta-rightward-bacteria-consumption)| 🆕 Jul 28, 2026 | +| **Spotnana** |[Optimal Card Game Score](https://www.fastprep.io/problems/spotnana-optimal-card-game-score)|[![Practice][p]](https://www.fastprep.io/problems/spotnana-optimal-card-game-score)| 🆕 Jul 27, 2026 | +| **Zomato / Eternal** |[Maximum Production Within Power](https://www.fastprep.io/problems/zomato-eternal-maximum-production-within-power)|[![Practice][p]](https://www.fastprep.io/problems/zomato-eternal-maximum-production-within-power)| 🆕 Jul 27, 2026 | +| **Zomato / Eternal** |[Rearrange Songs by Author](https://www.fastprep.io/problems/zomato-eternal-rearrange-songs-by-author)|[![Practice][p]](https://www.fastprep.io/problems/zomato-eternal-rearrange-songs-by-author)| 🆕 Jul 27, 2026 | +| **Kikoff** |[JSON Identity Verification](https://www.fastprep.io/problems/kikoff-json-identity-verification)|[![Practice][p]](https://www.fastprep.io/problems/kikoff-json-identity-verification)| 🆕 Jul 27, 2026 | +| **The Allen Institute for AI** |[Streaming Step Progress Hierarchy](https://www.fastprep.io/problems/ai2-streaming-step-progress-hierarchy)|[![Practice][p]](https://www.fastprep.io/problems/ai2-streaming-step-progress-hierarchy)| 🆕 Jul 27, 2026 | +| **Airbnb** |[Parcel Event Tracking](https://www.fastprep.io/problems/airbnb-parcel-event-tracking)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-parcel-event-tracking)| 🆕 Jul 27, 2026 | +| **Apple** |[Group Transitive String Aliases](https://www.fastprep.io/problems/apple-transitive-alias-groups)|[![Practice][p]](https://www.fastprep.io/problems/apple-transitive-alias-groups)| 🆕 Jul 27, 2026 | +| **Nooks** |[Majority Labels over Audio Intervals](https://www.fastprep.io/problems/nooks-majority-label-audio-intervals)|[![Practice][p]](https://www.fastprep.io/problems/nooks-majority-label-audio-intervals)| 🆕 Jul 27, 2026 | +| **Coinbase** |[In-Memory Database](https://www.fastprep.io/problems/coinbase-in-memory-database)|[![Practice][p]](https://www.fastprep.io/problems/coinbase-in-memory-database)| 🆕 Jul 27, 2026 | +| **Shopify** |[Deterministic Secret Santa Assignment](https://www.fastprep.io/problems/shopify-deterministic-secret-santa-assignment)|[![Practice][p]](https://www.fastprep.io/problems/shopify-deterministic-secret-santa-assignment)| 🆕 Jul 27, 2026 | +| **OpenAI** |[Durable String Key-Value Store](https://www.fastprep.io/problems/openai-durable-string-key-value-store)|[![Practice][p]](https://www.fastprep.io/problems/openai-durable-string-key-value-store)| 🆕 Jul 27, 2026 | +| **Confluent** |[Match a Variadic Function Signature](https://www.fastprep.io/problems/confluent-variadic-function-signature-match)|[![Practice][p]](https://www.fastprep.io/problems/confluent-variadic-function-signature-match)| 🆕 Jul 27, 2026 | +| **Google** |[Ad Score Scheduler With Delay](https://www.fastprep.io/problems/google-ad-score-scheduler-with-delay)|[![Practice][p]](https://www.fastprep.io/problems/google-ad-score-scheduler-with-delay)| 🆕 Jul 27, 2026 | +| **Google** |[Alternating-Color Binary Tree Roots](https://www.fastprep.io/problems/google-alternating-binary-tree-roots)|[![Practice][p]](https://www.fastprep.io/problems/google-alternating-binary-tree-roots)| 🆕 Jul 27, 2026 | +| **Spotnana** |[Minimize Maximum Pilot Workload](https://www.fastprep.io/problems/spotnana-minimize-maximum-pilot-workload)|[![Practice][p]](https://www.fastprep.io/problems/spotnana-minimize-maximum-pilot-workload)| 🆕 Jul 27, 2026 | +| **Amazon** |[Resolve Task Dependencies](https://www.fastprep.io/problems/amazon-resolve-task-dependencies)|[![Practice][p]](https://www.fastprep.io/problems/amazon-resolve-task-dependencies)| 🆕 Jul 27, 2026 | +| **Google** |[Route Pattern Matcher](https://www.fastprep.io/problems/google-route-pattern-matcher)|[![Practice][p]](https://www.fastprep.io/problems/google-route-pattern-matcher)| 🆕 Jul 27, 2026 | +| **Airbnb** |[Worker Management, Part 1: Office Registration](https://www.fastprep.io/problems/airbnb-worker-management-level-1)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-worker-management-level-1)| 🆕 Jul 26, 2026 | +| **Airbnb** |[Worker Management, Part 2: Top Workers](https://www.fastprep.io/problems/airbnb-worker-management-level-2)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-worker-management-level-2)| 🆕 Jul 26, 2026 | +| **Airbnb** |[Worker Management, Part 3: Promotions and Salary](https://www.fastprep.io/problems/airbnb-worker-management-level-3)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-worker-management-level-3)| 🆕 Jul 26, 2026 | +| **Stripe** |[Merchant Fraud Risk Scoring](https://www.fastprep.io/problems/stripe-merchant-fraud-risk-scoring)|[![Practice][p]](https://www.fastprep.io/problems/stripe-merchant-fraud-risk-scoring)| 🆕 Jul 26, 2026 | +| **Boston Consulting Group** |[Dynamic Pair Sum Queries](https://www.fastprep.io/problems/bcg-dynamic-pair-sum-queries)|[![Practice][p]](https://www.fastprep.io/problems/bcg-dynamic-pair-sum-queries)| 🆕 Jul 26, 2026 | +| **Boston Consulting Group** |[Find a Submatrix Matching a Pattern](https://www.fastprep.io/problems/bcg-find-submatrix-matching-pattern)|[![Practice][p]](https://www.fastprep.io/problems/bcg-find-submatrix-matching-pattern)| 🆕 Jul 26, 2026 | +| **Boston Consulting Group** |[Longest Contiguous Character Run](https://www.fastprep.io/problems/bcg-longest-contiguous-character-run)|[![Practice][p]](https://www.fastprep.io/problems/bcg-longest-contiguous-character-run)| 🆕 Jul 26, 2026 | +| **Boston Consulting Group** |[Even-Position Monotonicity](https://www.fastprep.io/problems/boston-consulting-group-even-position-monotonicity)|[![Practice][p]](https://www.fastprep.io/problems/boston-consulting-group-even-position-monotonicity)| 🆕 Jul 26, 2026 | +| **Airbnb** |[Worker Management with Full-Shift Double Pay](https://www.fastprep.io/problems/airbnb-worker-management-full-shift-grants)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-worker-management-full-shift-grants)| 🆕 Jul 26, 2026 | +| **Hudson River Trading** |[Count 2x2 Submatrices by Black Cells](https://www.fastprep.io/problems/hrt-count-black-blocks)|[![Practice][p]](https://www.fastprep.io/problems/hrt-count-black-blocks)| 🆕 Jul 26, 2026 | +| **Hudson River Trading** |[Cumulative Unique Bytes](https://www.fastprep.io/problems/hrt-cumulative-unique-bytes)|[![Practice][p]](https://www.fastprep.io/problems/hrt-cumulative-unique-bytes)| 🆕 Jul 26, 2026 | +| **Upstart** |[Minimum Absolute Pair Difference](https://www.fastprep.io/problems/upstart-minimum-absolute-pair-difference)|[![Practice][p]](https://www.fastprep.io/problems/upstart-minimum-absolute-pair-difference)| 🆕 Jul 26, 2026 | +| **Upstart** |[Lexicographic Word Frequencies](https://www.fastprep.io/problems/upstart-lexicographic-word-frequencies)|[![Practice][p]](https://www.fastprep.io/problems/upstart-lexicographic-word-frequencies)| 🆕 Jul 26, 2026 | +| **Upstart** |[Sum Multiples of 3, 5, or 7 Below N](https://www.fastprep.io/problems/upstart-sum-multiples-of-three-five-seven)|[![Practice][p]](https://www.fastprep.io/problems/upstart-sum-multiples-of-three-five-seven)| 🆕 Jul 26, 2026 | +| **Upstart** |[Add Drama to Text Groups](https://www.fastprep.io/problems/upstart-add-drama-punctuation)|[![Practice][p]](https://www.fastprep.io/problems/upstart-add-drama-punctuation)| 🆕 Jul 26, 2026 | +| **DE Shaw** |[Maximum L1 Distance Between Equal-Length Subarrays](https://www.fastprep.io/problems/deshaw-maximum-l1-distance-equal-length-subarrays)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-maximum-l1-distance-equal-length-subarrays)| 🆕 Jul 26, 2026 | +| **Airbnb** |[Nested List Iterator with Remove](https://www.fastprep.io/problems/airbnb-nested-list-iterator-with-remove)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-nested-list-iterator-with-remove)| 🆕 Jul 26, 2026 | +| **Citadel** |[Limit Order Book Matching Engine](https://www.fastprep.io/problems/citadel-limit-order-book-matching-engine)|[![Practice][p]](https://www.fastprep.io/problems/citadel-limit-order-book-matching-engine)| 🆕 Jul 26, 2026 | +| **Hudson River Trading** |[Market Data Signal Watcher](https://www.fastprep.io/problems/hudson-river-market-data-signal-watcher)|[![Practice][p]](https://www.fastprep.io/problems/hudson-river-market-data-signal-watcher)| 🆕 Jul 26, 2026 | +| **Databricks** |[Rectangular K-in-a-Row](https://www.fastprep.io/problems/databricks-rectangular-k-in-a-row)|[![Practice][p]](https://www.fastprep.io/problems/databricks-rectangular-k-in-a-row)| 🆕 Jul 26, 2026 | +| **Amazon** |[Shortest Distance on a Circular Bus Route](https://www.fastprep.io/problems/amazon-shortest-distance-circular-bus-route)|[![Practice][p]](https://www.fastprep.io/problems/amazon-shortest-distance-circular-bus-route)| 🆕 Jul 26, 2026 | +| **Salesforce** |[Optimal Account Balancing](https://www.fastprep.io/problems/salesforce-optimal-account-balancing)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-optimal-account-balancing)| 🆕 Jul 25, 2026 | +| **Google** |[Count Sortable Splits](https://www.fastprep.io/problems/google-count-sortable-splits)|[![Practice][p]](https://www.fastprep.io/problems/google-count-sortable-splits)| 🆕 Jul 25, 2026 | +| **Stripe** |[Rule-Driven Transaction Fraud Detection](https://www.fastprep.io/problems/stripe-rule-driven-transaction-fraud-detection)|[![Practice][p]](https://www.fastprep.io/problems/stripe-rule-driven-transaction-fraud-detection)| 🆕 Jul 25, 2026 | +| **OpenAI** |[Prefix Matrix Products and Autograd](https://www.fastprep.io/problems/openai-prefix-matrix-products-autograd)|[![Practice][p]](https://www.fastprep.io/problems/openai-prefix-matrix-products-autograd)| 🆕 Jul 25, 2026 | +| **Pinterest** |[Nested Set Structural Equivalence](https://www.fastprep.io/problems/pinterest-nested-set-structural-equivalence)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-nested-set-structural-equivalence)| 🆕 Jul 25, 2026 | +| **TikTok** |[Bubble Explosion](https://www.fastprep.io/problems/tiktok-bubble-explosion)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-bubble-explosion)| 🆕 Jul 25, 2026 | +| **TikTok** |[Reconstruct Landmark Journey](https://www.fastprep.io/problems/tiktok-reconstruct-landmark-journey)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-reconstruct-landmark-journey)| 🆕 Jul 25, 2026 | +| **TikTok** |[Reverse the Interior of Vowel-Bounded Words](https://www.fastprep.io/problems/tiktok-reverse-interior-of-vowel-words)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-reverse-interior-of-vowel-words)| 🆕 Jul 25, 2026 | +| **TikTok** |[Uppercase-Lowercase Difference](https://www.fastprep.io/problems/tiktok-uppercase-lowercase-difference)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-uppercase-lowercase-difference)| 🆕 Jul 25, 2026 | +| **Salesforce** |[Longest Increasing Subsequence](https://www.fastprep.io/problems/salesforce-longest-increasing-subsequence)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-longest-increasing-subsequence)| 🆕 Jul 24, 2026 | +| **Salesforce** |[Maximal Square](https://www.fastprep.io/problems/salesforce-maximal-square)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-maximal-square)| 🆕 Jul 24, 2026 | +| **MathWorks** |[Beautiful Arrangement](https://www.fastprep.io/problems/mathworks-beautiful-arrangement)|[![Practice][p]](https://www.fastprep.io/problems/mathworks-beautiful-arrangement)| 🆕 Jul 24, 2026 | +| **MathWorks** |[Find Minimum Cost to Remove Array Elements](https://www.fastprep.io/problems/mathworks-find-minimum-cost-to-remove-array-elements)|[![Practice][p]](https://www.fastprep.io/problems/mathworks-find-minimum-cost-to-remove-array-elements)| 🆕 Jul 24, 2026 | +| **Apple** |[Design Task Manager](https://www.fastprep.io/problems/apple-design-task-manager)|[![Practice][p]](https://www.fastprep.io/problems/apple-design-task-manager)| 🆕 Jul 24, 2026 | +| **Apple** |[Unit Conversion II](https://www.fastprep.io/problems/apple-unit-conversion-ii)|[![Practice][p]](https://www.fastprep.io/problems/apple-unit-conversion-ii)| 🆕 Jul 24, 2026 | +| **Cresta** |[Feature Flag Evaluation Engine](https://www.fastprep.io/problems/cresta-feature-flag-evaluation-engine)|[![Practice][p]](https://www.fastprep.io/problems/cresta-feature-flag-evaluation-engine)| 🆕 Jul 24, 2026 | +| **MathWorks** |[Group Shifted Strings](https://www.fastprep.io/problems/mathworks-group-shifted-strings)|[![Practice][p]](https://www.fastprep.io/problems/mathworks-group-shifted-strings)| 🆕 Jul 24, 2026 | +| **MathWorks** |[Longest Valid Parentheses](https://www.fastprep.io/problems/mathworks-longest-valid-parentheses)|[![Practice][p]](https://www.fastprep.io/problems/mathworks-longest-valid-parentheses)| 🆕 Jul 24, 2026 | +| **Akuna** |[Profitable Project Pairs](https://www.fastprep.io/problems/akuna-profitable-project-pairs)|[![Practice][p]](https://www.fastprep.io/problems/akuna-profitable-project-pairs)| 🆕 Jul 23, 2026 | +| **Goldman Sachs** |[Validate Binary Search Tree](https://www.fastprep.io/problems/goldman-sachs-validate-binary-search-tree)|[![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-validate-binary-search-tree)| 🆕 Jul 23, 2026 | +| **Visa** |[Maximum Server Processing Time](https://www.fastprep.io/problems/visa-maximum-server-processing-time)|[![Practice][p]](https://www.fastprep.io/problems/visa-maximum-server-processing-time)| 🆕 Jul 23, 2026 | +| **Visa** |[Signal Pings](https://www.fastprep.io/problems/visa-signal-pings)|[![Practice][p]](https://www.fastprep.io/problems/visa-signal-pings)| 🆕 Jul 23, 2026 | +| **Visa** |[Sum of Index-Ordered Pair Differences](https://www.fastprep.io/problems/visa-sum-of-index-pair-differences)|[![Practice][p]](https://www.fastprep.io/problems/visa-sum-of-index-pair-differences)| 🆕 Jul 23, 2026 | +| **Bloomberg** |[Word Break II](https://www.fastprep.io/problems/bloomberg-word-break-ii)|[![Practice][p]](https://www.fastprep.io/problems/bloomberg-word-break-ii)| Jul 22, 2026 | +| **Microsoft** |[Binary String Swap Time](https://www.fastprep.io/problems/microsoft-binary-string-swap-time)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-binary-string-swap-time)| Jul 22, 2026 | +| **Microsoft** |[Minimum Effort Task Schedule](https://www.fastprep.io/problems/microsoft-minimum-effort-task-schedule)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-effort-task-schedule)| Jul 22, 2026 | +| **Tekion** |[Longest Balanced Substring After One Swap](https://www.fastprep.io/problems/tekion-longest-balanced-substring-after-one-swap)|[![Practice][p]](https://www.fastprep.io/problems/tekion-longest-balanced-substring-after-one-swap)| Jul 22, 2026 | +| **Amazon** |[Sort an Array with Rotate and Flip](https://www.fastprep.io/problems/amazon-sort-array-with-rotate-and-flip)|[![Practice][p]](https://www.fastprep.io/problems/amazon-sort-array-with-rotate-and-flip)| Jul 22, 2026 | +| **Akuna** |[Calculate Portfolio Rebalancing Deltas](https://www.fastprep.io/problems/akuna-portfolio-rebalancing-deltas)|[![Practice][p]](https://www.fastprep.io/problems/akuna-portfolio-rebalancing-deltas)| Jul 22, 2026 | +| **Akuna** |[Maximum Label Difference in a Connected Component](https://www.fastprep.io/problems/akuna-maximum-component-label-difference)|[![Practice][p]](https://www.fastprep.io/problems/akuna-maximum-component-label-difference)| Jul 22, 2026 | +| **Akuna** |[Minimize Malware Spread by Removing a Node](https://www.fastprep.io/problems/akuna-minimize-malware-spread)|[![Practice][p]](https://www.fastprep.io/problems/akuna-minimize-malware-spread)| Jul 22, 2026 | +| **Akuna** |[Sort Array by Frequency](https://www.fastprep.io/problems/akuna-items-sort)|[![Practice][p]](https://www.fastprep.io/problems/akuna-items-sort)| Jul 22, 2026 | +| **TikTok** |[Count Access Code Pairs](https://www.fastprep.io/problems/tiktok-count-access-code-pairs)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-count-access-code-pairs)| Jul 22, 2026 | +| **TikTok** |[Count Key Changes](https://www.fastprep.io/problems/tiktok-count-key-changes)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-count-key-changes)| Jul 22, 2026 | +| **TikTok** |[Travel Distance on Scooters](https://www.fastprep.io/problems/tiktok-travel-distance-on-scooters)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-travel-distance-on-scooters)| Jul 22, 2026 | +| **TikTok** |[Validate 3x3 Digit Windows](https://www.fastprep.io/problems/tiktok-validate-3x3-digit-windows)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-validate-3x3-digit-windows)| Jul 22, 2026 | +| **Optiver** |[Overheat Prevention Controller](https://www.fastprep.io/problems/optiver-overheat-prevention-controller)|[![Practice][p]](https://www.fastprep.io/problems/optiver-overheat-prevention-controller)| Jul 22, 2026 | +| **DRW** |[Last Round for Each Player](https://www.fastprep.io/problems/drw-last-round-for-each-player)|[![Practice][p]](https://www.fastprep.io/problems/drw-last-round-for-each-player)| Jul 22, 2026 | +| **DRW** |[Shortest Compressed Length After Removal](https://www.fastprep.io/problems/drw-shortest-compressed-length-after-removal)|[![Practice][p]](https://www.fastprep.io/problems/drw-shortest-compressed-length-after-removal)| Jul 22, 2026 | +| **Amazon** |[Loyal Customers Across Two Days](https://www.fastprep.io/problems/amazon-loyal-customers)|[![Practice][p]](https://www.fastprep.io/problems/amazon-loyal-customers)| Jul 21, 2026 | +| **Amazon** |[Smallest Number With a Given Digit Sum](https://www.fastprep.io/problems/amazon-smallest-number-with-digit-sum)|[![Practice][p]](https://www.fastprep.io/problems/amazon-smallest-number-with-digit-sum)| Jul 21, 2026 | +| **Oracle** |[Merge k Sorted Lists](https://www.fastprep.io/problems/oracle-merge-k-sorted-lists)|[![Practice][p]](https://www.fastprep.io/problems/oracle-merge-k-sorted-lists)| Jul 21, 2026 | +| **Airbnb** |[Most Frequent Reduced Digit](https://www.fastprep.io/problems/airbnb-most-frequent-reduced-digit)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-most-frequent-reduced-digit)| Jul 20, 2026 | +| **Airbnb** |[Rectangle Fit Queries](https://www.fastprep.io/problems/airbnb-rectangle-fit-queries)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-rectangle-fit-queries)| Jul 20, 2026 | +| **Airbnb** |[Robot Final Direction](https://www.fastprep.io/problems/airbnb-robot-final-direction)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-robot-final-direction)| Jul 20, 2026 | +| **Airbnb** |[Robot Inventory Tracking](https://www.fastprep.io/problems/airbnb-robot-inventory-tracking)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-robot-inventory-tracking)| Jul 20, 2026 | +| **Akuna** |[Communications Handler](https://www.fastprep.io/problems/akuna-communications-handler)|[![Practice][p]](https://www.fastprep.io/problems/akuna-communications-handler)| Jul 20, 2026 | +| **Amazon** |[Basic Calculator](https://www.fastprep.io/problems/amazon-basic-calculator)|[![Practice][p]](https://www.fastprep.io/problems/amazon-basic-calculator)| Jul 20, 2026 | +| **Amazon** |[Distance Between Two Tree Nodes](https://www.fastprep.io/problems/amazon-distance-between-tree-nodes)|[![Practice][p]](https://www.fastprep.io/problems/amazon-distance-between-tree-nodes)| Jul 20, 2026 | +| **Capital One** |[Format a Newspaper Page](https://www.fastprep.io/problems/capital-one-format-newspaper-page)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-format-newspaper-page)| Jul 20, 2026 | +| **Akuna** |[Maximum K-Star Sum](https://www.fastprep.io/problems/akuna-maximum-k-star-sum)|[![Practice][p]](https://www.fastprep.io/problems/akuna-maximum-k-star-sum)| Jul 20, 2026 | +| **Microsoft** |[Maximum Pipeline Throughput](https://www.fastprep.io/problems/microsoft-maximum-pipeline-throughput)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-pipeline-throughput)| Jul 20, 2026 | +| **Microsoft** |[Maximum Strong Team Subarray](https://www.fastprep.io/problems/microsoft-maximum-strong-team-subarray)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-strong-team-subarray)| Jul 20, 2026 | +| **PhonePe** |[Luna and the Colorful Socks](https://www.fastprep.io/problems/phonepe-colorful-socks)|[![Practice][p]](https://www.fastprep.io/problems/phonepe-colorful-socks)| Jul 20, 2026 | +| **Capital One** |[Compare Counts Around Pivot](https://www.fastprep.io/problems/capital-one-compare-counts-around-pivot)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-compare-counts-around-pivot)| Jul 20, 2026 | +| **Capital One** |[Reconstruct Landmark Journey](https://www.fastprep.io/problems/capital-one-reconstruct-landmark-journey)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-reconstruct-landmark-journey)| Jul 20, 2026 | +| **Capital One** |[Alternate String Ends](https://www.fastprep.io/problems/capital-one-alternating-string-ends)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-alternating-string-ends)| Jul 19, 2026 | +| **Capital One** |[Sort Every Matrix Border Layer](https://www.fastprep.io/problems/capital-one-sort-matrix-border-layers)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-sort-matrix-border-layers)| Jul 19, 2026 | +| **Waymo** |[Average or Zero](https://www.fastprep.io/problems/waymo-average-or-zero)|[![Practice][p]](https://www.fastprep.io/problems/waymo-average-or-zero)| Jul 19, 2026 | +| **Visa** |[Minimum Score of a Path Between Cities](https://www.fastprep.io/problems/visa-minimum-score-path-between-cities)|[![Practice][p]](https://www.fastprep.io/problems/visa-minimum-score-path-between-cities)| Jul 18, 2026 | +| **IDFC** |[Smallest Adjacent Concatenation](https://www.fastprep.io/problems/idfc-smallest-adjacent-concatenation)|[![Practice][p]](https://www.fastprep.io/problems/idfc-smallest-adjacent-concatenation)| Jul 18, 2026 | +| **IDFC** |[Minimum Cake Cuts](https://www.fastprep.io/problems/idfc-minimum-cake-cuts)|[![Practice][p]](https://www.fastprep.io/problems/idfc-minimum-cake-cuts)| Jul 18, 2026 | +| **Goldman Sachs** |[Inherited Role Permissions](https://www.fastprep.io/problems/goldman-sachs-role-permissions)|[![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-role-permissions)| Jul 17, 2026 | +| **Goldman Sachs** |[Root of the Largest Tree](https://www.fastprep.io/problems/goldman-sachs-largest-tree-root)|[![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-largest-tree-root)| Jul 17, 2026 | +| **Microsoft** |[Alphabetically Smallest Palindrome](https://www.fastprep.io/problems/microsoft-alphabetically-smallest-palindrome)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-alphabetically-smallest-palindrome)| Jul 16, 2026 | +| **Microsoft** |[Maximum Reward Points](https://www.fastprep.io/problems/microsoft-get-maximum-reward-points)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-get-maximum-reward-points)| Jul 16, 2026 | +| **Zomato / Eternal** |[Robot Warehouse Optimization](https://www.fastprep.io/problems/zomato-robot-warehouse-optimization)|[![Practice][p]](https://www.fastprep.io/problems/zomato-robot-warehouse-optimization)| Jul 16, 2026 | +| **Google** |[Count Good Numbers](https://www.fastprep.io/problems/google-count-good-numbers)|[![Practice][p]](https://www.fastprep.io/problems/google-count-good-numbers)| Jul 15, 2026 | +| **Google** |[Count Element Symbol Decompositions](https://www.fastprep.io/problems/google-count-element-symbol-decompositions)|[![Practice][p]](https://www.fastprep.io/problems/google-count-element-symbol-decompositions)| Jul 15, 2026 | +| **Google** |[Convert Snake Case to Camel Case](https://www.fastprep.io/problems/google-convert-snake-case-to-camel-case)|[![Practice][p]](https://www.fastprep.io/problems/google-convert-snake-case-to-camel-case)| Jul 15, 2026 | +| **Uber** |[Last Truck to Leave the Lane](https://www.fastprep.io/problems/uber-last-truck-to-leave-the-lane)|[![Practice][p]](https://www.fastprep.io/problems/uber-last-truck-to-leave-the-lane)| Jul 15, 2026 | +| **Citadel** |[Minimum Image Processing Cost](https://www.fastprep.io/problems/citadel-minimum-image-processing-cost)|[![Practice][p]](https://www.fastprep.io/problems/citadel-minimum-image-processing-cost)| Jul 15, 2026 | +| **IBM** |[Count Strictly Increasing Subsequences of Length 3](https://www.fastprep.io/problems/ibm-count-increasing-subsequences-length-three)|[![Practice][p]](https://www.fastprep.io/problems/ibm-count-increasing-subsequences-length-three)| Jul 15, 2026 | +| **Goldman Sachs** |[Alternating Parity Permutations](https://www.fastprep.io/problems/goldman-sachs-alternating-parity-permutations)|[![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-alternating-parity-permutations)| Jul 15, 2026 | +| **Arcesium** |[Ordered Payload Release](https://www.fastprep.io/problems/arcesium-ordered-payload-release)|[![Practice][p]](https://www.fastprep.io/problems/arcesium-ordered-payload-release)| Jul 15, 2026 | +| **ByteDance** |[Most Frequent Integer with Smaller Tie-Break](https://www.fastprep.io/problems/bytedance-most-frequent-integer-smaller-tie)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-most-frequent-integer-smaller-tie)| Jul 15, 2026 | +| **Uber** |[Chain of Command](https://www.fastprep.io/problems/uber-chain-of-command)|[![Practice][p]](https://www.fastprep.io/problems/uber-chain-of-command)| Jul 14, 2026 | +| **New Relic** |[Product of Array Except Self](https://www.fastprep.io/problems/new-relic-product-of-array-except-self)|[![Practice][p]](https://www.fastprep.io/problems/new-relic-product-of-array-except-self)| Jul 13, 2026 | +| **OpenAI** |[CIDR IPv4 Range Iterator](https://www.fastprep.io/problems/openai-cidr-ipv4-iterator)|[![Practice][p]](https://www.fastprep.io/problems/openai-cidr-ipv4-iterator)| Jul 12, 2026 | +| **OpenAI** |[IPv4 Forward Iterator](https://www.fastprep.io/problems/openai-ipv4-forward-iterator)|[![Practice][p]](https://www.fastprep.io/problems/openai-ipv4-forward-iterator)| Jul 12, 2026 | +| **OpenAI** |[IPv4 Reverse Iterator](https://www.fastprep.io/problems/openai-ipv4-reverse-iterator)|[![Practice][p]](https://www.fastprep.io/problems/openai-ipv4-reverse-iterator)| Jul 12, 2026 | +| **OpenAI** |[Convert an IPv4 Range to Minimal CIDR Blocks](https://www.fastprep.io/problems/openai-ip-range-to-cidr)|[![Practice][p]](https://www.fastprep.io/problems/openai-ip-range-to-cidr)| Jul 12, 2026 | +| **OpenAI** |[Toy Language Generic Return-Type Inference](https://www.fastprep.io/problems/openai-toy-language-return-type-inference)|[![Practice][p]](https://www.fastprep.io/problems/openai-toy-language-return-type-inference)| Jul 12, 2026 | +| **OpenAI** |[Count Matching Regions in Two Binary Grids](https://www.fastprep.io/problems/openai-count-matching-grid-regions)|[![Practice][p]](https://www.fastprep.io/problems/openai-count-matching-grid-regions)| Jul 12, 2026 | +| **OpenAI** |[Largest Square Subgrid Under a Sum Limit](https://www.fastprep.io/problems/openai-largest-square-subgrid-under-sum-limit)|[![Practice][p]](https://www.fastprep.io/problems/openai-largest-square-subgrid-under-sum-limit)| Jul 12, 2026 | +| **OpenAI** |[Backpropagation Through Sort and Median](https://www.fastprep.io/problems/openai-backpropagation-through-sort-and-median)|[![Practice][p]](https://www.fastprep.io/problems/openai-backpropagation-through-sort-and-median)| Jul 12, 2026 | +| **Anthropic** |[Repair the Bootloader Program](https://www.fastprep.io/problems/anthropic-repair-bootloader-program)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-repair-bootloader-program)| Jul 12, 2026 | +| **Anthropic** |[Normalize a DNS Domain Name](https://www.fastprep.io/problems/anthropic-normalize-dns-name)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-normalize-dns-name)| Jul 12, 2026 | +| **Anthropic** |[Worker Management, Part 1: Office Registration](https://www.fastprep.io/problems/anthropic-worker-management-level-1)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-worker-management-level-1)| Jul 12, 2026 | +| **Anthropic** |[Worker Management, Part 2: Top Workers](https://www.fastprep.io/problems/anthropic-worker-management-level-2)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-worker-management-level-2)| Jul 12, 2026 | +| **Anthropic** |[Worker Management, Part 3: Promotions and Salary](https://www.fastprep.io/problems/anthropic-worker-management-level-3)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-worker-management-level-3)| Jul 12, 2026 | +| **Anthropic** |[Worker Management, Part 4: Double-Paid Intervals](https://www.fastprep.io/problems/anthropic-worker-management-level-4)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-worker-management-level-4)| Jul 12, 2026 | +| **Anthropic** |[Cloud Storage Compression and Decompression](https://www.fastprep.io/problems/anthropic-cloud-storage-compression)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-cloud-storage-compression)| Jul 12, 2026 | +| **Anthropic** |[In-Memory Database Historical Lookup](https://www.fastprep.io/problems/anthropic-in-memory-database-historical-lookup)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-in-memory-database-historical-lookup)| Jul 12, 2026 | +| **Anthropic** |[Banking Pending Transfer Acceptance](https://www.fastprep.io/problems/anthropic-banking-pending-transfer-acceptance)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-banking-pending-transfer-acceptance)| Jul 12, 2026 | +| **Anthropic** |[Cloud Storage File Versioning](https://www.fastprep.io/problems/anthropic-cloud-storage-file-versioning)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-cloud-storage-file-versioning)| Jul 12, 2026 | +| **Anthropic** |[Cloud Storage Prefix Trash and Restore](https://www.fastprep.io/problems/anthropic-cloud-storage-prefix-trash)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-cloud-storage-prefix-trash)| Jul 12, 2026 | +| **Amazon** |[Number of Islands II](https://www.fastprep.io/problems/amazon-number-of-islands-ii)|[![Practice][p]](https://www.fastprep.io/problems/amazon-number-of-islands-ii)| Jul 12, 2026 | +| **Amazon** |[Course Schedule](https://www.fastprep.io/problems/amazon-course-schedule)|[![Practice][p]](https://www.fastprep.io/problems/amazon-course-schedule)| Jul 12, 2026 | +| **Amazon** |[Maximum Sum of Heights](https://www.fastprep.io/problems/amazon-maximum-sum-of-heights)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-sum-of-heights)| Jul 12, 2026 | +| **Amazon** |[Longest Palindromic Subsequence](https://www.fastprep.io/problems/amazon-longest-palindromic-subsequence)|[![Practice][p]](https://www.fastprep.io/problems/amazon-longest-palindromic-subsequence)| Jul 12, 2026 | +| **Amazon** |[Group Anagrams](https://www.fastprep.io/problems/amazon-group-anagrams)|[![Practice][p]](https://www.fastprep.io/problems/amazon-group-anagrams)| Jul 12, 2026 | +| **Amazon** |[Maximal Square](https://www.fastprep.io/problems/amazon-maximal-square)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximal-square)| Jul 12, 2026 | +| **Amazon** |[Sliding Window Maximum](https://www.fastprep.io/problems/amazon-sliding-window-maximum)|[![Practice][p]](https://www.fastprep.io/problems/amazon-sliding-window-maximum)| Jul 12, 2026 | +| **Agoda** |[3Sum](https://www.fastprep.io/problems/agoda-three-sum)|[![Practice][p]](https://www.fastprep.io/problems/agoda-three-sum)| Jul 12, 2026 | +| **JP Morgan** |[Bitwise XOR Subsequences](https://www.fastprep.io/problems/jpmorgan-bitwise-xor-subsequences)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-bitwise-xor-subsequences)| Jul 12, 2026 | +| **Stripe** |[Deployment Window Scheduler](https://www.fastprep.io/problems/stripe-deployment-window-scheduler)|[![Practice][p]](https://www.fastprep.io/problems/stripe-deployment-window-scheduler)| Jul 12, 2026 | +| **TikTok** |[Obstacle Placement Queries](https://www.fastprep.io/problems/tiktok-obstacle-placement-queries)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-obstacle-placement-queries)| Jul 12, 2026 | +| **Upstart** |[Coordinate Bounding Box](https://www.fastprep.io/problems/upstart-coordinate-bounding-box)|[![Practice][p]](https://www.fastprep.io/problems/upstart-coordinate-bounding-box)| Jul 12, 2026 | +| **Upstart** |[Increase Exclamations and Convert Periods](https://www.fastprep.io/problems/upstart-transform-punctuation)|[![Practice][p]](https://www.fastprep.io/problems/upstart-transform-punctuation)| Jul 12, 2026 | +| **Upstart** |[Interleave Equal-Length Strings by Column](https://www.fastprep.io/problems/upstart-interleave-equal-length-strings)|[![Practice][p]](https://www.fastprep.io/problems/upstart-interleave-equal-length-strings)| Jul 12, 2026 | +| **Upstart** |[Scale Ingredient Quantities](https://www.fastprep.io/problems/upstart-scale-ingredient-quantities)|[![Practice][p]](https://www.fastprep.io/problems/upstart-scale-ingredient-quantities)| Jul 12, 2026 | +| **IDFC** |[Find All People With Secret](https://www.fastprep.io/problems/idfc-find-all-people-with-secret)|[![Practice][p]](https://www.fastprep.io/problems/idfc-find-all-people-with-secret)| Jul 12, 2026 | +| **Optiver** |[Power Cell Bank](https://www.fastprep.io/problems/optiver-power-cell-bank)|[![Practice][p]](https://www.fastprep.io/problems/optiver-power-cell-bank)| Jul 12, 2026 | +| **DRW** |[Doctor Appointment Slot Assignment](https://www.fastprep.io/problems/drw-doctor-appointment-slot-assignment)|[![Practice][p]](https://www.fastprep.io/problems/drw-doctor-appointment-slot-assignment)| Jul 12, 2026 | +| **DRW** |[Maximum Even-Sum Neighboring Pairs](https://www.fastprep.io/problems/drw-maximum-even-sum-neighboring-pairs)|[![Practice][p]](https://www.fastprep.io/problems/drw-maximum-even-sum-neighboring-pairs)| Jul 12, 2026 | +| **DRW** |[Minimize Maximum Group Difference](https://www.fastprep.io/problems/drw-minimize-maximum-group-difference)|[![Practice][p]](https://www.fastprep.io/problems/drw-minimize-maximum-group-difference)| Jul 12, 2026 | +| **Goldman Sachs** |[Cheapest Flights Within K Stops](https://www.fastprep.io/problems/goldman-sachs-cheapest-flights-within-k-stops)|[![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-cheapest-flights-within-k-stops)| Jul 12, 2026 | +| **Goldman Sachs** |[Word Ladder](https://www.fastprep.io/problems/goldman-sachs-word-ladder)|[![Practice][p]](https://www.fastprep.io/problems/goldman-sachs-word-ladder)| Jul 12, 2026 | +| **Rippling** |[Delivery Cost Tracker](https://www.fastprep.io/problems/rippling-delivery-cost-tracker)|[![Practice][p]](https://www.fastprep.io/problems/rippling-delivery-cost-tracker)| Jul 12, 2026 | +| **Rippling** |[Corporate Card Expense Rules](https://www.fastprep.io/problems/rippling-corporate-card-rules-engine)|[![Practice][p]](https://www.fastprep.io/problems/rippling-corporate-card-rules-engine)| Jul 12, 2026 | +| **Rippling** |[Camel Cards](https://www.fastprep.io/problems/rippling-camel-cards)|[![Practice][p]](https://www.fastprep.io/problems/rippling-camel-cards)| Jul 12, 2026 | +| **Rippling** |[Article Vote Tracker](https://www.fastprep.io/problems/rippling-article-vote-tracker)|[![Practice][p]](https://www.fastprep.io/problems/rippling-article-vote-tracker)| Jul 12, 2026 | +| **Rippling** |[Employee Resource Access Management](https://www.fastprep.io/problems/rippling-employee-access-management)|[![Practice][p]](https://www.fastprep.io/problems/rippling-employee-access-management)| Jul 12, 2026 | +| **Rippling** |[Limit an Organization Tree's Height](https://www.fastprep.io/problems/rippling-org-tree-height-control)|[![Practice][p]](https://www.fastprep.io/problems/rippling-org-tree-height-control)| Jul 12, 2026 | +| **Rippling** |[Distributed System Recovery](https://www.fastprep.io/problems/rippling-distributed-system-recovery)|[![Practice][p]](https://www.fastprep.io/problems/rippling-distributed-system-recovery)| Jul 12, 2026 | +| **Rippling** |[Server Upgrade Planning](https://www.fastprep.io/problems/rippling-server-upgrade-planning)|[![Practice][p]](https://www.fastprep.io/problems/rippling-server-upgrade-planning)| Jul 12, 2026 | +| **Rippling** |[Shortest Substring](https://www.fastprep.io/problems/rippling-shortest-substring)|[![Practice][p]](https://www.fastprep.io/problems/rippling-shortest-substring)| Jul 12, 2026 | +| **Rippling** |[Song Play Analytics](https://www.fastprep.io/problems/rippling-song-play-analytics)|[![Practice][p]](https://www.fastprep.io/problems/rippling-song-play-analytics)| Jul 12, 2026 | +| **Rippling** |[Lexicographically Minimum Stack Encryption](https://www.fastprep.io/problems/rippling-lexicographically-minimum-encryption)|[![Practice][p]](https://www.fastprep.io/problems/rippling-lexicographically-minimum-encryption)| Jul 12, 2026 | +| **Rippling** |[Minimum Account Settlements](https://www.fastprep.io/problems/rippling-minimum-account-settlements)|[![Practice][p]](https://www.fastprep.io/problems/rippling-minimum-account-settlements)| Jul 12, 2026 | +| **Rippling** |[Matrix Region Sum](https://www.fastprep.io/problems/rippling-matrix-block-sum)|[![Practice][p]](https://www.fastprep.io/problems/rippling-matrix-block-sum)| Jul 12, 2026 | +| **Rippling** |[Maximum XOR Elimination Score](https://www.fastprep.io/problems/rippling-maximum-xor-elimination-score)|[![Practice][p]](https://www.fastprep.io/problems/rippling-maximum-xor-elimination-score)| Jul 12, 2026 | +| **Rippling** |[Prime Tree City Labelings](https://www.fastprep.io/problems/rippling-prime-tree-labelings)|[![Practice][p]](https://www.fastprep.io/problems/rippling-prime-tree-labelings)| Jul 12, 2026 | +| **Zomato / Eternal** |[Jump Game IV](https://www.fastprep.io/problems/zomato-jump-game-iv)|[![Practice][p]](https://www.fastprep.io/problems/zomato-jump-game-iv)| Jul 12, 2026 | +| **IndiaMART** |[Reverse a String](https://www.fastprep.io/problems/indiamart-reverse-string)|[![Practice][p]](https://www.fastprep.io/problems/indiamart-reverse-string)| Jul 12, 2026 | +| **Moody's** |[Longest Subarray with At Most Two Distinct Values](https://www.fastprep.io/problems/moodys-longest-subarray-at-most-two-distinct)|[![Practice][p]](https://www.fastprep.io/problems/moodys-longest-subarray-at-most-two-distinct)| Jul 12, 2026 | +| **MulticoreWare** |[Minimum Coin Change](https://www.fastprep.io/problems/multicoreware-minimum-coin-change)|[![Practice][p]](https://www.fastprep.io/problems/multicoreware-minimum-coin-change)| Jul 12, 2026 | +| **MulticoreWare** |[Second Distinct Largest Element](https://www.fastprep.io/problems/multicoreware-second-distinct-largest-element)|[![Practice][p]](https://www.fastprep.io/problems/multicoreware-second-distinct-largest-element)| Jul 12, 2026 | +| **Shipsy** |[Largest Rectangle in Histogram](https://www.fastprep.io/problems/shipsy-largest-rectangle-in-histogram)|[![Practice][p]](https://www.fastprep.io/problems/shipsy-largest-rectangle-in-histogram)| Jul 12, 2026 | +| **Stryker** |[Squares of a Sorted Array](https://www.fastprep.io/problems/stryker-squares-of-a-sorted-array)|[![Practice][p]](https://www.fastprep.io/problems/stryker-squares-of-a-sorted-array)| Jul 12, 2026 | +| **Hive** |[Validate a Directed Edge Addition](https://www.fastprep.io/problems/hive-validate-directed-edge-addition)|[![Practice][p]](https://www.fastprep.io/problems/hive-validate-directed-edge-addition)| Jul 12, 2026 | +| **Robinhood** |[Word Frequency in a Large Text](https://www.fastprep.io/problems/robinhood-word-frequency-in-large-text)|[![Practice][p]](https://www.fastprep.io/problems/robinhood-word-frequency-in-large-text)| Jul 12, 2026 | +| **Target** |[Minimum Edit-Distance String for Each Query](https://www.fastprep.io/problems/target-minimum-edit-distance-string)|[![Practice][p]](https://www.fastprep.io/problems/target-minimum-edit-distance-string)| Jul 11, 2026 | +| **Target** |[Count Lucky Numbers in a Range](https://www.fastprep.io/problems/target-lucky-numbers-floor-square-root)|[![Practice][p]](https://www.fastprep.io/problems/target-lucky-numbers-floor-square-root)| Jul 11, 2026 | +| **Target** |[First-Available Seat Booking](https://www.fastprep.io/problems/target-first-available-seat-booking)|[![Practice][p]](https://www.fastprep.io/problems/target-first-available-seat-booking)| Jul 11, 2026 | +| **OpenAI** |[Memory Allocator](https://www.fastprep.io/problems/openai-memory-allocator)|[![Practice][p]](https://www.fastprep.io/problems/openai-memory-allocator)| Jul 10, 2026 | +| **OpenAI** |[Message Event Aggregation](https://www.fastprep.io/problems/openai-message-event-aggregation)|[![Practice][p]](https://www.fastprep.io/problems/openai-message-event-aggregation)| Jul 10, 2026 | +| **OpenAI** |[Streaming Entropy, Part 1: Batch Entropy](https://www.fastprep.io/problems/openai-streaming-entropy-part-1)|[![Practice][p]](https://www.fastprep.io/problems/openai-streaming-entropy-part-1)| Jul 10, 2026 | +| **OpenAI** |[Streaming Entropy, Part 2: Numerically Stable Entropy](https://www.fastprep.io/problems/openai-streaming-entropy-part-2)|[![Practice][p]](https://www.fastprep.io/problems/openai-streaming-entropy-part-2)| Jul 10, 2026 | +| **OpenAI** |[Streaming Entropy, Part 3: Block-wise Entropy](https://www.fastprep.io/problems/openai-streaming-entropy-part-3)|[![Practice][p]](https://www.fastprep.io/problems/openai-streaming-entropy-part-3)| Jul 10, 2026 | +| **OpenAI** |[Streaming Entropy, Part 4: Stable Streaming Entropy](https://www.fastprep.io/problems/openai-streaming-entropy-part-4)|[![Practice][p]](https://www.fastprep.io/problems/openai-streaming-entropy-part-4)| Jul 10, 2026 | +| **OpenAI** |[Versioned Social Network](https://www.fastprep.io/problems/openai-versioned-social-network)|[![Practice][p]](https://www.fastprep.io/problems/openai-versioned-social-network)| Jul 10, 2026 | +| **Anthropic** |[Banking System, Part 1: Accounts and Transfers](https://www.fastprep.io/problems/anthropic-banking-system-part-1)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-banking-system-part-1)| Jul 10, 2026 | +| **Anthropic** |[Banking System, Part 2: Top Spenders](https://www.fastprep.io/problems/anthropic-banking-system-part-2)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-banking-system-part-2)| Jul 10, 2026 | +| **Anthropic** |[Banking System, Part 3: Scheduled Payments](https://www.fastprep.io/problems/anthropic-banking-system-part-3)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-banking-system-part-3)| Jul 10, 2026 | +| **Anthropic** |[Banking System, Part 4: Merging and Balance History](https://www.fastprep.io/problems/anthropic-banking-system-part-4)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-banking-system-part-4)| Jul 10, 2026 | +| **Amazon** |[Number of Atoms](https://www.fastprep.io/problems/amazon-number-of-atoms)|[![Practice][p]](https://www.fastprep.io/problems/amazon-number-of-atoms)| Jul 10, 2026 | +| **Amazon** |[Minimum Redistribution Cost](https://www.fastprep.io/problems/amazon-minimum-redistribution-cost)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-redistribution-cost)| Jul 10, 2026 | +| **Amazon** |[Domain Weight Calculation](https://www.fastprep.io/problems/amazon-domain-weight-calculation)|[![Practice][p]](https://www.fastprep.io/problems/amazon-domain-weight-calculation)| Jul 10, 2026 | +| **Amazon** |[Minimum Contiguous Replacements](https://www.fastprep.io/problems/amazon-minimum-contiguous-replacements)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-contiguous-replacements)| Jul 10, 2026 | +| **Walmart** |[K-Capable Model Costs](https://www.fastprep.io/problems/walmart-k-capable-model-costs)|[![Practice][p]](https://www.fastprep.io/problems/walmart-k-capable-model-costs)| Jul 10, 2026 | +| **Google** |[Ad Rotation Scheduler With Cooldown](https://www.fastprep.io/problems/google-ad-rotation-scheduler-with-cooldown)|[![Practice][p]](https://www.fastprep.io/problems/google-ad-rotation-scheduler-with-cooldown)| Jul 10, 2026 | +| **Google** |[Consolidated On-Call Rotations](https://www.fastprep.io/problems/google-consolidated-on-call-rotations)|[![Practice][p]](https://www.fastprep.io/problems/google-consolidated-on-call-rotations)| Jul 10, 2026 | +| **Google** |[Count Connected Point Clusters](https://www.fastprep.io/problems/google-count-connected-point-clusters)|[![Practice][p]](https://www.fastprep.io/problems/google-count-connected-point-clusters)| Jul 10, 2026 | +| **Google** |[Longest Target Run After Replacements](https://www.fastprep.io/problems/google-longest-target-run-after-replacements)|[![Practice][p]](https://www.fastprep.io/problems/google-longest-target-run-after-replacements)| Jul 10, 2026 | +| **Hudson River Trading** |[Backtick Identifier Converter](https://www.fastprep.io/problems/hrt-backtick-identifier-converter)|[![Practice][p]](https://www.fastprep.io/problems/hrt-backtick-identifier-converter)| Jul 10, 2026 | +| **Stripe** |[Directly Linked Users](https://www.fastprep.io/problems/stripe-directly-linked-users)|[![Practice][p]](https://www.fastprep.io/problems/stripe-directly-linked-users)| Jul 10, 2026 | +| **Stripe** |[Fraud Ring Size](https://www.fastprep.io/problems/stripe-fraud-ring-size)|[![Practice][p]](https://www.fastprep.io/problems/stripe-fraud-ring-size)| Jul 10, 2026 | +| **Stripe** |[Risky Fraud Ring](https://www.fastprep.io/problems/stripe-risky-fraud-ring)|[![Practice][p]](https://www.fastprep.io/problems/stripe-risky-fraud-ring)| Jul 10, 2026 | +| **Two Sigma** |[Balanced Split String with Wildcards](https://www.fastprep.io/problems/two-sigma-balanced-split-string-with-wildcards)|[![Practice][p]](https://www.fastprep.io/problems/two-sigma-balanced-split-string-with-wildcards)| Jul 10, 2026 | +| **Two Sigma** |[Closest Color](https://www.fastprep.io/problems/two-sigma-closest-color)|[![Practice][p]](https://www.fastprep.io/problems/two-sigma-closest-color)| Jul 10, 2026 | +| **Visa** |[Planning Production](https://www.fastprep.io/problems/visa-planning-production)|[![Practice][p]](https://www.fastprep.io/problems/visa-planning-production)| Jul 10, 2026 | +| **Visa** |[Subarray Sum](https://www.fastprep.io/problems/visa-subarray-sum)|[![Practice][p]](https://www.fastprep.io/problems/visa-subarray-sum)| Jul 10, 2026 | +| **Optiver** |[Construct Binary Tree S-Expression](https://www.fastprep.io/problems/optiver-construct-binary-tree-s-expression)|[![Practice][p]](https://www.fastprep.io/problems/optiver-construct-binary-tree-s-expression)| Jul 10, 2026 | +| **TCS** |[Array Rank Transform](https://www.fastprep.io/problems/tcs-array-rank-transform)|[![Practice][p]](https://www.fastprep.io/problems/tcs-array-rank-transform)| Jul 10, 2026 | +| **Codeium** |[Biggest Connected Component](https://www.fastprep.io/problems/codeium-biggest-connected-component)|[![Practice][p]](https://www.fastprep.io/problems/codeium-biggest-connected-component)| Jul 10, 2026 | +| **Flexport** |[Choose the Next Hidden-Word Guess](https://www.fastprep.io/problems/flexport-next-word-guess)|[![Practice][p]](https://www.fastprep.io/problems/flexport-next-word-guess)| Jul 10, 2026 | +| **Apple** |[Phone Directory](https://www.fastprep.io/problems/apple-phone-directory)|[![Practice][p]](https://www.fastprep.io/problems/apple-phone-directory)| Jul 10, 2026 | +| **Okta** |[CD Rental System](https://www.fastprep.io/problems/okta-cd-rental-system)|[![Practice][p]](https://www.fastprep.io/problems/okta-cd-rental-system)| Jul 10, 2026 | +| **Omnissa** |[Longest Substring Without Repeating Characters](https://www.fastprep.io/problems/omnissa-longest-substring-without-repeating-characters)|[![Practice][p]](https://www.fastprep.io/problems/omnissa-longest-substring-without-repeating-characters)| Jul 09, 2026 | +| **Omnissa** |[Rotate Array Right](https://www.fastprep.io/problems/omnissa-rotate-array-right)|[![Practice][p]](https://www.fastprep.io/problems/omnissa-rotate-array-right)| Jul 09, 2026 | +| **Spotnana** |[All OOne Operations](https://www.fastprep.io/problems/spotnana-all-oone-operations)|[![Practice][p]](https://www.fastprep.io/problems/spotnana-all-oone-operations)| Jul 09, 2026 | +| **Rupeek** |[Trapping Rain Water](https://www.fastprep.io/problems/rupeek-trapping-rain-water)|[![Practice][p]](https://www.fastprep.io/problems/rupeek-trapping-rain-water)| Jul 08, 2026 | +| **OpenAI** |[DSA Round: Maximum Score Grid Path](https://www.fastprep.io/problems/openai-dsa-round-maximum-score-grid-path)|[![Practice][p]](https://www.fastprep.io/problems/openai-dsa-round-maximum-score-grid-path)| Jul 08, 2026 | +| **Amazon** |[Closest Version Date](https://www.fastprep.io/problems/amazon-closest-version-date)|[![Practice][p]](https://www.fastprep.io/problems/amazon-closest-version-date)| Jul 08, 2026 | +| **Amazon** |[Maximum Concurrent Processes (Bar Raiser Round)](https://www.fastprep.io/problems/amazon-max-concurrent-processes)|[![Practice][p]](https://www.fastprep.io/problems/amazon-max-concurrent-processes)| Jul 08, 2026 | +| **Amazon** |[Package Dependency Order](https://www.fastprep.io/problems/amazon-package-dependency-order)|[![Practice][p]](https://www.fastprep.io/problems/amazon-package-dependency-order)| Jul 08, 2026 | +| **Scale AI** |[Task Scheduler with Dependencies](https://www.fastprep.io/problems/scale-ai-task-scheduler-with-dependencies)|[![Practice][p]](https://www.fastprep.io/problems/scale-ai-task-scheduler-with-dependencies)| Jul 08, 2026 | +| **Salesforce** |[ATM Queue Exit Order](https://www.fastprep.io/problems/salesforce-atm-queue)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-atm-queue)| Jul 08, 2026 | +| **Salesforce** |[Good Ways to Split an Array](https://www.fastprep.io/problems/salesforce-good-ways-to-split-array)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-good-ways-to-split-array)| Jul 08, 2026 | +| **Salesforce** |[Generate Seen Binary Strings](https://www.fastprep.io/problems/salesforce-generate-seen-binary-strings)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-generate-seen-binary-strings)| Jul 08, 2026 | +| **Salesforce** |[Update Pod Counts From Logs](https://www.fastprep.io/problems/salesforce-update-pod-counts-from-logs)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-update-pod-counts-from-logs)| Jul 08, 2026 | +| **Agoda** |[Feasibility of Printing Within Given Days](https://www.fastprep.io/problems/agoda-printing-within-days)|[![Practice][p]](https://www.fastprep.io/problems/agoda-printing-within-days)| Jul 08, 2026 | +| **Agoda** |[Minimum Daily Printing Limit](https://www.fastprep.io/problems/agoda-minimum-daily-printing-limit)|[![Practice][p]](https://www.fastprep.io/problems/agoda-minimum-daily-printing-limit)| Jul 08, 2026 | +| **Google** |[String Pattern Replacement](https://www.fastprep.io/problems/google-string-pattern-replacement)|[![Practice][p]](https://www.fastprep.io/problems/google-string-pattern-replacement)| Jul 08, 2026 | +| **Google** |[Template Variable Expansion](https://www.fastprep.io/problems/google-template-variable-expansion)|[![Practice][p]](https://www.fastprep.io/problems/google-template-variable-expansion)| Jul 08, 2026 | +| **Meta** |[Highest Rating Price Ratio](https://www.fastprep.io/problems/meta-highest-rating-price-ratio)|[![Practice][p]](https://www.fastprep.io/problems/meta-highest-rating-price-ratio)| Jul 08, 2026 | +| **Snowflake** |[Closest Target Character](https://www.fastprep.io/problems/snowflake-closest-target-character)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-closest-target-character)| Jul 08, 2026 | +| **Point72** |[Test the Hypothesis](https://www.fastprep.io/problems/point72-test-the-hypothesis)|[![Practice][p]](https://www.fastprep.io/problems/point72-test-the-hypothesis)| Jul 08, 2026 | +| **DE Shaw** |[Minimum Frames for Equal Chunks](https://www.fastprep.io/problems/deshaw-minimum-frames-for-equal-chunks)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-minimum-frames-for-equal-chunks)| Jul 08, 2026 | +| **DE Shaw** |[Non-Alternating Binary Partitions](https://www.fastprep.io/problems/deshaw-non-alternating-binary-partitions)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-non-alternating-binary-partitions)| Jul 08, 2026 | +| **Sofi** |[Reachable Nodes in a Directed Graph](https://www.fastprep.io/problems/sofi-reachable-nodes-in-a-directed-graph)|[![Practice][p]](https://www.fastprep.io/problems/sofi-reachable-nodes-in-a-directed-graph)| Jul 08, 2026 | +| **Mercor** |[Top K With a Deterministically Noisy Comparator (MLE)](https://www.fastprep.io/problems/mercor-top-k-with-deterministically-noisy-comparator)|[![Practice][p]](https://www.fastprep.io/problems/mercor-top-k-with-deterministically-noisy-comparator)| Jul 08, 2026 | +| **Reddit** |[Reconstruct Billing Status](https://www.fastprep.io/problems/reddit-reconstruct-billing-status)|[![Practice][p]](https://www.fastprep.io/problems/reddit-reconstruct-billing-status)| Jul 08, 2026 | +| **Apple** |[Product Except Self With Zeros](https://www.fastprep.io/problems/apple-product-except-self-with-zeros)|[![Practice][p]](https://www.fastprep.io/problems/apple-product-except-self-with-zeros)| Jul 08, 2026 | +| **Apple** |[Subset Sum Possible](https://www.fastprep.io/problems/apple-subset-sum-possible)|[![Practice][p]](https://www.fastprep.io/problems/apple-subset-sum-possible)| Jul 08, 2026 | +| **Apple** |[Validate Completed Sudoku](https://www.fastprep.io/problems/apple-validate-completed-sudoku)|[![Practice][p]](https://www.fastprep.io/problems/apple-validate-completed-sudoku)| Jul 08, 2026 | +| **Figma** |[Rich Text Parser Part 3 (Depth Tokens)](https://www.fastprep.io/problems/figma-rich-text-parser)|[![Practice][p]](https://www.fastprep.io/problems/figma-rich-text-parser)| Jul 08, 2026 | +| **Zomato / Eternal** |[Flipping Matrix](https://www.fastprep.io/problems/zomato-flipping-matrix)|[![Practice][p]](https://www.fastprep.io/problems/zomato-flipping-matrix)| Jul 08, 2026 | +| **Zomato / Eternal** |[Special Keyboard](https://www.fastprep.io/problems/zomato-special-keyboard)|[![Practice][p]](https://www.fastprep.io/problems/zomato-special-keyboard)| Jul 08, 2026 | +| **NatWest** |[Remove Duplicate Characters](https://www.fastprep.io/problems/natwest-remove-duplicate-characters)|[![Practice][p]](https://www.fastprep.io/problems/natwest-remove-duplicate-characters)| Jul 08, 2026 | +| **NatWest** |[Sum Elements at Even Indices](https://www.fastprep.io/problems/natwest-even-index-sum)|[![Practice][p]](https://www.fastprep.io/problems/natwest-even-index-sum)| Jul 08, 2026 | +| **Safe Security** |[Maximum Subarray Sum](https://www.fastprep.io/problems/safe-security-maximum-subarray-sum)|[![Practice][p]](https://www.fastprep.io/problems/safe-security-maximum-subarray-sum)| Jul 08, 2026 | +| **Blinkit** |[Unique Supersequence Merge](https://www.fastprep.io/problems/blinkit-unique-supersequence-merge)|[![Practice][p]](https://www.fastprep.io/problems/blinkit-unique-supersequence-merge)| Jul 08, 2026 | +| **Amazon** |[Merge Sorted Array](https://www.fastprep.io/problems/amazon-merge-sorted-array)|[![Practice][p]](https://www.fastprep.io/problems/amazon-merge-sorted-array)| Jul 07, 2026 | +| **PhonePe** |[Count Bowl Subarrays](https://www.fastprep.io/problems/phonepe-count-bowl-subarrays)|[![Practice][p]](https://www.fastprep.io/problems/phonepe-count-bowl-subarrays)| Jul 07, 2026 | +| **PhonePe** |[Reconstruct Itinerary](https://www.fastprep.io/problems/phonepe-reconstruct-itinerary)|[![Practice][p]](https://www.fastprep.io/problems/phonepe-reconstruct-itinerary)| Jul 07, 2026 | +| **Amazon** |[Permutation Sorter](https://www.fastprep.io/problems/amazon-permutation-sorter)|[![Practice][p]](https://www.fastprep.io/problems/amazon-permutation-sorter)| Jul 03, 2026 | +| **Amazon** |[Maximum Product New Rating](https://www.fastprep.io/problems/1.amazon-maximum-product-new-rating)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-maximum-product-new-rating)| Jul 03, 2026 | +| **Amazon** |[Maximum Final Value](https://www.fastprep.io/problems/1.amazon-maximum-final)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-maximum-final)| Jul 03, 2026 | +| **Amazon** |[Get Max Servers](https://www.fastprep.io/problems/amazon-find-maximum-number-of-servers)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-maximum-number-of-servers)| Jul 03, 2026 | +| **McKinsey** |[Predicting the S&P 500 Index](https://www.fastprep.io/problems/mckinsey-predicting-the-sp-500-index)|[![Practice][p]](https://www.fastprep.io/problems/mckinsey-predicting-the-sp-500-index)| Jul 03, 2026 | +| **QRT** |[Array Nullification](https://www.fastprep.io/problems/qrt-array-nullification)|[![Practice][p]](https://www.fastprep.io/problems/qrt-array-nullification)| Jul 03, 2026 | +| **QRT** |[Keep Them Apart](https://www.fastprep.io/problems/qrt-keep-them-apart)|[![Practice][p]](https://www.fastprep.io/problems/qrt-keep-them-apart)| Jul 03, 2026 | +| **Snowflake** |[Minimum Height](https://www.fastprep.io/problems/snowflake-minimum-height)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-minimum-height)| Jul 03, 2026 | +| **IBM** |[Query Type Frequency Window](https://www.fastprep.io/problems/ibm-query-type-frequency-window)|[![Practice][p]](https://www.fastprep.io/problems/ibm-query-type-frequency-window)| Jul 03, 2026 | +| **IBM** |[Maximum Requests in a Time Window](https://www.fastprep.io/problems/ibm-maximum-requests-window)|[![Practice][p]](https://www.fastprep.io/problems/ibm-maximum-requests-window)| Jul 03, 2026 | +| **IBM** |[Minimum Number of Non-Empty Disjoint Segments](https://www.fastprep.io/problems/ibm-minimum-disjoint-segments)|[![Practice][p]](https://www.fastprep.io/problems/ibm-minimum-disjoint-segments)| Jul 03, 2026 | +| **Point72** |[Get Triplet Count](https://www.fastprep.io/problems/point72-get-triplet-count)|[![Practice][p]](https://www.fastprep.io/problems/point72-get-triplet-count)| Jul 02, 2026 | +| **Point72** |[Server Selection](https://www.fastprep.io/problems/point72-server-selection)|[![Practice][p]](https://www.fastprep.io/problems/point72-server-selection)| Jul 02, 2026 | +| **Amazon** |[Feasible Indices After Prefix/Suffix Reduction](https://www.fastprep.io/problems/amazon-feasible-indices-after-prefix-suffix-reduction)|[![Practice][p]](https://www.fastprep.io/problems/amazon-feasible-indices-after-prefix-suffix-reduction)| Jun 30, 2026 | +| **Snowflake** |[Simple Array Rotation Game](https://www.fastprep.io/problems/snowflake-simple-array-rotation-game)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-simple-array-rotation-game)| Jun 30, 2026 | +| **Microsoft** |[XOR Multiplication](https://www.fastprep.io/problems/microsoft-xor-multiplication)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-xor-multiplication)| Jun 30, 2026 | +| **Microsoft** |[Neural Network Subnetwork Strength](https://www.fastprep.io/problems/microsoft-neural-network-subnetwork-strength)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-neural-network-subnetwork-strength)| Jun 30, 2026 | +| **Amazon** |[Count Distinct Domino Colorings](https://www.fastprep.io/problems/amazon-count-distinct-domino-colorings)|[![Practice][p]](https://www.fastprep.io/problems/amazon-count-distinct-domino-colorings)| Jun 29, 2026 | +| **Amazon** |[Frequently Bought Together](https://www.fastprep.io/problems/amazon-frequently-bought-together)|[![Practice][p]](https://www.fastprep.io/problems/amazon-frequently-bought-together)| Jun 29, 2026 | +| **Amazon** |[Souvenir Shop Purchases](https://www.fastprep.io/problems/amazon-souvenir-shop-purchases)|[![Practice][p]](https://www.fastprep.io/problems/amazon-souvenir-shop-purchases)| Jun 29, 2026 | +| **McKinsey** |[Count Repeated Request IDs](https://www.fastprep.io/problems/mckinsey-count-repeated-request-ids)|[![Practice][p]](https://www.fastprep.io/problems/mckinsey-count-repeated-request-ids)| Jun 29, 2026 | +| **Salesforce** |[Final Pod Counts After Logs](https://www.fastprep.io/problems/salesforce-final-pod-counts-after-logs)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-final-pod-counts-after-logs)| Jun 29, 2026 | +| **Salesforce** |[Minimum Removals to Balance Array](https://www.fastprep.io/problems/salesforce-minimum-removals-to-balance-array)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-minimum-removals-to-balance-array)| Jun 29, 2026 | +| **Uber** |[Minimum Operations To Reduce To Zero](https://www.fastprep.io/problems/uber-minimum-operations-to-reduce-to-zero)|[![Practice][p]](https://www.fastprep.io/problems/uber-minimum-operations-to-reduce-to-zero)| Jun 29, 2026 | +| **Uber** |[Shopkeeper Final Price](https://www.fastprep.io/problems/uber-shopkeeper-final-price)|[![Practice][p]](https://www.fastprep.io/problems/uber-shopkeeper-final-price)| Jun 29, 2026 | +| **TikTok** |[Check Even-Position Monotonicity](https://www.fastprep.io/problems/tiktok-check-even-position-monotonicity)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-check-even-position-monotonicity)| Jun 29, 2026 | +| **TikTok** |[Construct WDL String](https://www.fastprep.io/problems/tiktok-construct-wdl-string)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-construct-wdl-string)| Jun 29, 2026 | +| **IBM** |[Request Retry Count](https://www.fastprep.io/problems/ibm-request-retry-count)|[![Practice][p]](https://www.fastprep.io/problems/ibm-request-retry-count)| Jun 29, 2026 | +| **Microsoft** |[Maximum Escape Game Score](https://www.fastprep.io/problems/microsoft-maximum-escape-game-score)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-escape-game-score)| Jun 29, 2026 | +| **Microsoft** |[Minimum Cost K-Capable Models](https://www.fastprep.io/problems/microsoft-minimum-cost-k-capable-models)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-cost-k-capable-models)| Jun 29, 2026 | +| **Microsoft** |[Unique Difference Pattern](https://www.fastprep.io/problems/microsoft-unique-difference-pattern)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-unique-difference-pattern)| Jun 29, 2026 | +| **Goldman Sachs** |[Valid Binary Prefix](https://www.fastprep.io/problems/goldman-valid-binary-prefix)|[![Practice][p]](https://www.fastprep.io/problems/goldman-valid-binary-prefix)| Jun 29, 2026 | +| **Expedia** |[Maximum Team Size](https://www.fastprep.io/problems/expedia-maximum-team-size)|[![Practice][p]](https://www.fastprep.io/problems/expedia-maximum-team-size)| Jun 29, 2026 | +| **SeekOut** |[Merge Intervals](https://www.fastprep.io/problems/seekout-merge-intervals)|[![Practice][p]](https://www.fastprep.io/problems/seekout-merge-intervals)| Jun 27, 2026 | +| **Capital One** |[Linear Warehouse Drone Delivery](https://www.fastprep.io/problems/capital-one-linear-warehouse-drone-delivery)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-linear-warehouse-drone-delivery)| Jun 26, 2026 | +| **Amazon** |[Find Minimum Groups](https://www.fastprep.io/problems/amazon-find-minimum-groups)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-groups)| Jun 24, 2026 | +| **Google** |[Maximum Coins With Moving Tokens](https://www.fastprep.io/problems/google-maximum-coins-with-moving-tokens)|[![Practice][p]](https://www.fastprep.io/problems/google-maximum-coins-with-moving-tokens)| Jun 24, 2026 | +| **Google** |[Maximum Elements With a Common Digit](https://www.fastprep.io/problems/google-maximum-elements-with-a-common-digit)|[![Practice][p]](https://www.fastprep.io/problems/google-maximum-elements-with-a-common-digit)| Jun 24, 2026 | +| **Snowflake** |[Drawing Edge](https://www.fastprep.io/problems/snowflake-drawing-edge)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-drawing-edge)| Jun 24, 2026 | +| **Snowflake** |[Generating Login Codes](https://www.fastprep.io/problems/snowflake-generating-login-codes)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-generating-login-codes)| Jun 24, 2026 | +| **Microsoft** |[Programmer Strings](https://www.fastprep.io/problems/microsoft-programmer-strings)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-programmer-strings)| Jun 24, 2026 | +| **Microsoft** |[Minimum Round Trip Lengths](https://www.fastprep.io/problems/microsoft-minimum-round-trip-lengths)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-round-trip-lengths)| Jun 24, 2026 | +| **HSBC** |[Find ID of Soldier](https://www.fastprep.io/problems/hsbc-find-id-of-soldier)|[![Practice][p]](https://www.fastprep.io/problems/hsbc-find-id-of-soldier)| Jun 21, 2026 | +| **HSBC** |[Find Most Frequently Purchased Products](https://www.fastprep.io/problems/hsbc-find-most-frequently-purchased-products)|[![Practice][p]](https://www.fastprep.io/problems/hsbc-find-most-frequently-purchased-products)| Jun 21, 2026 | +| **Amazon** |[Maximum Equal Parts for Prefixes](https://www.fastprep.io/problems/amazon-maximum-equal-parts-for-prefixes)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-equal-parts-for-prefixes)| Jun 19, 2026 | +| **Meesho** |[Efficient Deployments](https://www.fastprep.io/problems/meesho-efficient-deployments)|[![Practice][p]](https://www.fastprep.io/problems/meesho-efficient-deployments)| Jun 18, 2026 | +| **Google** |[Fountain Safety](https://www.fastprep.io/problems/google-fountain-safety)|[![Practice][p]](https://www.fastprep.io/problems/google-fountain-safety)| Jun 17, 2026 | +| **Walmart** |[K-Capable Model Selection](https://www.fastprep.io/problems/walmart-k-capable-model-selection)|[![Practice][p]](https://www.fastprep.io/problems/walmart-k-capable-model-selection)| Jun 16, 2026 | +| **Scale AI** |[Task Processor: Dependencies and Deadlines](https://www.fastprep.io/problems/scale-ai-task-processor-dependencies-deadlines)|[![Practice][p]](https://www.fastprep.io/problems/scale-ai-task-processor-dependencies-deadlines)| Jun 14, 2026 | +| **Shopify** |[Mars Rover Robot Controller](https://www.fastprep.io/problems/shopify-mars-rover-robot-controller)|[![Practice][p]](https://www.fastprep.io/problems/shopify-mars-rover-robot-controller)| Jun 13, 2026 | +| **Salesforce** |[Count Prime Strings](https://www.fastprep.io/problems/salesforce-count-prime-strings)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-count-prime-strings)| Jun 10, 2026 | +| **Vanta** |[Implement uniq: Unique Lines](https://www.fastprep.io/problems/vanta-unique-lines-command)|[![Practice][p]](https://www.fastprep.io/problems/vanta-unique-lines-command)| Jun 10, 2026 | +| **Amazon** |[Select Least Resource Tasks](https://www.fastprep.io/problems/amazon-select-least-resource-tasks)|[![Practice][p]](https://www.fastprep.io/problems/amazon-select-least-resource-tasks)| Jun 09, 2026 | +| **Amazon** |[Get Smallest Base Segment](https://www.fastprep.io/problems/amazon-get-smallest-base-segment)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-smallest-base-segment)| Jun 09, 2026 | +| **Amazon** |[Count Promotional Periods](https://www.fastprep.io/problems/amazon-count-promotional-periods)|[![Practice][p]](https://www.fastprep.io/problems/amazon-count-promotional-periods)| Jun 09, 2026 | +| **Amazon** |[Get Minimum Amount](https://www.fastprep.io/problems/amazon-get-min-amount)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-amount)| Jun 09, 2026 | +| **Agoda** |[Minimum Absolute Difference Pairs](https://www.fastprep.io/problems/agoda-minimum-absolute-difference-pairs)|[![Practice][p]](https://www.fastprep.io/problems/agoda-minimum-absolute-difference-pairs)| Jun 08, 2026 | +| **Amazon** |[Find Minimum Cost](https://www.fastprep.io/problems/amazon-find-minimum-cost)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-cost)| Jun 04, 2026 | +| **JP Morgan** |[About Shipping](https://www.fastprep.io/problems/jpmorgan-about-shipping)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-about-shipping)| Jun 04, 2026 | +| **Netflix** |[Topological Sort for Ads Tasks](https://www.fastprep.io/problems/netflix-topological-sort-course-schedule-ads)|[![Practice][p]](https://www.fastprep.io/problems/netflix-topological-sort-course-schedule-ads)| Jun 04, 2026 | +| **Google** |[Consolidate On-Call Rotations](https://www.fastprep.io/problems/google-consolidate-on-call-rotations)|[![Practice][p]](https://www.fastprep.io/problems/google-consolidate-on-call-rotations)| Jun 02, 2026 | +| **Uber** |[Jump Game with Prime-3 Steps](https://www.fastprep.io/problems/uber-jump-game-prime-3-steps)|[![Practice][p]](https://www.fastprep.io/problems/uber-jump-game-prime-3-steps)| Jun 01, 2026 | +| **Uber** |[Total Palindrome Substring Cost](https://www.fastprep.io/problems/uber-total-palindrome-substring-cost)|[![Practice][p]](https://www.fastprep.io/problems/uber-total-palindrome-substring-cost)| Jun 01, 2026 | +| **Capital One** |[Count Numbers with Even Number of Digits](https://www.fastprep.io/problems/capital-one-count-even-digit-numbers)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-count-even-digit-numbers)| May 31, 2026 | +| **Capital One** |[Longest Same-Character Substring](https://www.fastprep.io/problems/capitalone-longest-same-character-substring)|[![Practice][p]](https://www.fastprep.io/problems/capitalone-longest-same-character-substring)| May 31, 2026 | +| **Capital One** |[Count House Segments After Destruction](https://www.fastprep.io/problems/capitalone-count-house-segments-after-destruction)|[![Practice][p]](https://www.fastprep.io/problems/capitalone-count-house-segments-after-destruction)| May 31, 2026 | +| **Capital One** |[Laser Robot Safe Path](https://www.fastprep.io/problems/capitalone-laser-robot-safe-path)|[![Practice][p]](https://www.fastprep.io/problems/capitalone-laser-robot-safe-path)| May 31, 2026 | +| **Amazon** |[Lowest Common Ancestor Implemented with Stack](https://www.fastprep.io/problems/amazon-lowest-common-ancestor-implemented-with-stack)|[![Practice][p]](https://www.fastprep.io/problems/amazon-lowest-common-ancestor-implemented-with-stack)| May 30, 2026 | +| **Akuna** |[Maximum Difference](https://www.fastprep.io/problems/akuna-maximum-difference)|[![Practice][p]](https://www.fastprep.io/problems/akuna-maximum-difference)| May 25, 2026 | +| **Amazon** |[Product Category Group Sizes](https://www.fastprep.io/problems/amazon-product-category-groups)|[![Practice][p]](https://www.fastprep.io/problems/amazon-product-category-groups)| May 23, 2026 | +| **Uber** |[Tournament Rounds by Rank](https://www.fastprep.io/problems/uber-tournament-rounds)|[![Practice][p]](https://www.fastprep.io/problems/uber-tournament-rounds)| May 23, 2026 | +| **Uber** |[Earliest Time All Users Are Connected](https://www.fastprep.io/problems/uber-earliest-full-connection)|[![Practice][p]](https://www.fastprep.io/problems/uber-earliest-full-connection)| May 23, 2026 | +| **Meta** |[Merge Three Sorted Arrays](https://www.fastprep.io/problems/meta-merge-three-sorted-arrays)|[![Practice][p]](https://www.fastprep.io/problems/meta-merge-three-sorted-arrays)| May 23, 2026 | +| **Amazon** |[Count Connected Components](https://www.fastprep.io/problems/amazon-count-connected-components)|[![Practice][p]](https://www.fastprep.io/problems/amazon-count-connected-components)| May 21, 2026 | +| **Google** |[Detonate Bombs with Chain Reactions](https://www.fastprep.io/problems/google-detonate-bombs-chain-reaction)|[![Practice][p]](https://www.fastprep.io/problems/google-detonate-bombs-chain-reaction)| May 20, 2026 | +| **Google** |[Evaluate a Nested Math Expression](https://www.fastprep.io/problems/google-evaluate-nested-math-expression)|[![Practice][p]](https://www.fastprep.io/problems/google-evaluate-nested-math-expression)| May 20, 2026 | +| **Guidewire** |[Minimum Boys Next to Girls](https://www.fastprep.io/problems/guidewire-minimum-boys-next-to-girls)|[![Practice][p]](https://www.fastprep.io/problems/guidewire-minimum-boys-next-to-girls)| May 20, 2026 | +| **Salesforce** |[Run-Length String Compression](https://www.fastprep.io/problems/salesforce-run-length-string-compression)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-run-length-string-compression)| May 19, 2026 | +| **Salesforce** |[Time Needed to Rearrange a Binary String](https://www.fastprep.io/problems/salesforce-time-to-rearrange-binary-string)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-time-to-rearrange-binary-string)| May 19, 2026 | +| **Infosys** |[Minimum Path Sum With Grid Switches](https://www.fastprep.io/problems/infosys-minimum-path-sum-with-grid-switches)|[![Practice][p]](https://www.fastprep.io/problems/infosys-minimum-path-sum-with-grid-switches)| May 19, 2026 | +| **Snowflake** |[Effective Role Privileges](https://www.fastprep.io/problems/snowflake-effective-role-privileges)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-effective-role-privileges)| May 19, 2026 | +| **Pinterest** |[Assign Pins to the Shortest Column](https://www.fastprep.io/problems/pinterest-assign-pins-to-shortest-column)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-assign-pins-to-shortest-column)| May 18, 2026 | +| **OpenAI** |[Grid Infection Spread Until Stable](https://www.fastprep.io/problems/openai-grid-infection-spread-until-stable)|[![Practice][p]](https://www.fastprep.io/problems/openai-grid-infection-spread-until-stable)| May 16, 2026 | +| **OpenAI** |[Grid Infection with Immune Cells Until Stable](https://www.fastprep.io/problems/openai-grid-infection-with-immune-cells)|[![Practice][p]](https://www.fastprep.io/problems/openai-grid-infection-with-immune-cells)| May 16, 2026 | +| **OpenAI** |[Chat Event Counts](https://www.fastprep.io/problems/openai-chat-event-counts)|[![Practice][p]](https://www.fastprep.io/problems/openai-chat-event-counts)| May 13, 2026 | +| **Amazon** |[Unique Pairs With Target Sum](https://www.fastprep.io/problems/amazon-unique-pairs-with-target-sum)|[![Practice][p]](https://www.fastprep.io/problems/amazon-unique-pairs-with-target-sum)| May 13, 2026 | +| **Uber** |[Convex Function Minimization](https://www.fastprep.io/problems/uber-convex-function-minimization)|[![Practice][p]](https://www.fastprep.io/problems/uber-convex-function-minimization)| May 13, 2026 | +| **Harvey** |[Spreadsheet Formula Evaluator](https://www.fastprep.io/problems/harvey-spreadsheet-formula-evaluator)|[![Practice][p]](https://www.fastprep.io/problems/harvey-spreadsheet-formula-evaluator)| May 13, 2026 | +| **Hudson River Trading** |[Integer to String Without Built-ins](https://www.fastprep.io/problems/hudson-river-trading-integer-to-string)|[![Practice][p]](https://www.fastprep.io/problems/hudson-river-trading-integer-to-string)| May 13, 2026 | +| **Waymo** |[Decode Repeated Groups](https://www.fastprep.io/problems/waymo-decode-repeated-groups)|[![Practice][p]](https://www.fastprep.io/problems/waymo-decode-repeated-groups)| May 13, 2026 | +| **Deloitte** |[Seventh Nearest Palindrome](https://www.fastprep.io/problems/deloitte-seventh-nearest-palindrome)|[![Practice][p]](https://www.fastprep.io/problems/deloitte-seventh-nearest-palindrome)| May 12, 2026 | +| **Uber** |[Maximal Square Area](https://www.fastprep.io/problems/uber-maximal-square-area)|[![Practice][p]](https://www.fastprep.io/problems/uber-maximal-square-area)| May 11, 2026 | +| **Snowflake** |[Closest Bathroom / Desk on a Grid](https://www.fastprep.io/problems/snowflake-closest-bathroom-desk-grid)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-closest-bathroom-desk-grid)| May 11, 2026 | +| **Snowflake** |[Minimum Index Distance Between Person and Cake](https://www.fastprep.io/problems/snowflake-minimum-index-distance-between-person-and-cake)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-minimum-index-distance-between-person-and-cake)| May 11, 2026 | +| **Snowflake** |[Minimum Clicks Between Wiki Pages](https://www.fastprep.io/problems/snowflake-minimum-clicks-between-wiki-pages)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-minimum-clicks-between-wiki-pages)| May 11, 2026 | +| **Airbnb** |[Print Sentences as Table](https://www.fastprep.io/problems/airbnb-print-sentences-as-table)|[![Practice][p]](https://www.fastprep.io/problems/airbnb-print-sentences-as-table)| May 11, 2026 | +| **Crusoe** |[Interval Usage with Non-Overlapping Overrides](https://www.fastprep.io/problems/crusoe-interval-usage-with-overrides)|[![Practice][p]](https://www.fastprep.io/problems/crusoe-interval-usage-with-overrides)| May 11, 2026 | +| **DoorDash** |[Maximize Total Profit by Assigning Chefs to Dishes](https://www.fastprep.io/problems/doordash-maximize-total-profit-chef-dish-assignment)|[![Practice][p]](https://www.fastprep.io/problems/doordash-maximize-total-profit-chef-dish-assignment)| May 11, 2026 | +| **Ericsson** |[Pascal's Triangle](https://www.fastprep.io/problems/ericsson-pascals-triangle)|[![Practice][p]](https://www.fastprep.io/problems/ericsson-pascals-triangle)| May 11, 2026 | +| **Ericsson** |[Top K Frequent Elements](https://www.fastprep.io/problems/ericsson-top-k-frequent-elements)|[![Practice][p]](https://www.fastprep.io/problems/ericsson-top-k-frequent-elements)| May 11, 2026 | +| **Geico** |[Implement an LRU Cache](https://www.fastprep.io/problems/geico-implement-lru-cache)|[![Practice][p]](https://www.fastprep.io/problems/geico-implement-lru-cache)| May 11, 2026 | +| **TikTok** |[Maximum Candies with At Most Two Types in a Line](https://www.fastprep.io/problems/tiktok-maximum-candies-two-types-line)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-maximum-candies-two-types-line)| May 11, 2026 | +| **TikTok** |[LRU Cache with TTL Expiration](https://www.fastprep.io/problems/tiktok-lru-cache-with-ttl-expiration)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-lru-cache-with-ttl-expiration)| May 11, 2026 | +| **Upstart** |[Bounding Box from Coordinates](https://www.fastprep.io/problems/upstart-bounding-box-from-coordinates)|[![Practice][p]](https://www.fastprep.io/problems/upstart-bounding-box-from-coordinates)| May 11, 2026 | +| **Upstart** |[Filter by Threshold and Return Name with Max Score](https://www.fastprep.io/problems/upstart-filter-threshold-max-score)|[![Practice][p]](https://www.fastprep.io/problems/upstart-filter-threshold-max-score)| May 11, 2026 | +| **Whatnot** |[User Journey Paths](https://www.fastprep.io/problems/whatnot-user-journey-paths)|[![Practice][p]](https://www.fastprep.io/problems/whatnot-user-journey-paths)| May 11, 2026 | +| **Anthropic** |[In-Memory Database with Backup and Restore](https://www.fastprep.io/problems/anthropic-in-memory-database-backup-restore)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-in-memory-database-backup-restore)| May 10, 2026 | +| **Capital One** |[Cyclic Shift to Strictly Descending Array](https://www.fastprep.io/problems/capital-one-cyclic-shift-strictly-descending)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-cyclic-shift-strictly-descending)| May 10, 2026 | +| **Stripe** |[Email Log Processing, Grouping, and Sorting](https://www.fastprep.io/problems/stripe-email-log-grouping-and-sorting)|[![Practice][p]](https://www.fastprep.io/problems/stripe-email-log-grouping-and-sorting)| May 10, 2026 | +| **Circle** |[Task Management System](https://www.fastprep.io/problems/circle-task-management-system)|[![Practice][p]](https://www.fastprep.io/problems/circle-task-management-system)| May 10, 2026 | +| **Circle** |[User Quota Scheduling with Expiring Assignments](https://www.fastprep.io/problems/circle-user-quota-scheduling)|[![Practice][p]](https://www.fastprep.io/problems/circle-user-quota-scheduling)| May 10, 2026 | +| **Point72** |[Lexicographically Smallest String After Substring Operation](https://www.fastprep.io/problems/point72-lexicographically-smallest-substring-operation)|[![Practice][p]](https://www.fastprep.io/problems/point72-lexicographically-smallest-substring-operation)| May 10, 2026 | +| **Two Sigma** |[Piecewise Linear Interpolation and Extrapolation](https://www.fastprep.io/problems/twosigma-piecewise-linear-interpolation)|[![Practice][p]](https://www.fastprep.io/problems/twosigma-piecewise-linear-interpolation)| May 10, 2026 | +| **Intuit** |[Small Business Network: Degrees of Separation](https://www.fastprep.io/problems/intuit-small-business-network-degrees-of-separation)|[![Practice][p]](https://www.fastprep.io/problems/intuit-small-business-network-degrees-of-separation)| May 08, 2026 | +| **OpenAI** |[ChatApp with Bots](https://www.fastprep.io/problems/openai-chatapp-with-bots)|[![Practice][p]](https://www.fastprep.io/problems/openai-chatapp-with-bots)| May 05, 2026 | +| **OpenAI** |[IP Address to CIDR Blocks](https://www.fastprep.io/problems/openai-ip-address-to-cidr-blocks)|[![Practice][p]](https://www.fastprep.io/problems/openai-ip-address-to-cidr-blocks)| May 05, 2026 | +| **Uber** |[First Unique IP Hitting the Server](https://www.fastprep.io/problems/uber-first-unique-ip-hitting-server)|[![Practice][p]](https://www.fastprep.io/problems/uber-first-unique-ip-hitting-server)| May 05, 2026 | +| **Roblox** |[Implement a Rate Limiter](https://www.fastprep.io/problems/roblox-implement-rate-limiter)|[![Practice][p]](https://www.fastprep.io/problems/roblox-implement-rate-limiter)| May 05, 2026 | +| **Roblox** |[Rate Limit by Multiple Request Fields](https://www.fastprep.io/problems/roblox-rate-limit-by-multiple-request-fields)|[![Practice][p]](https://www.fastprep.io/problems/roblox-rate-limit-by-multiple-request-fields)| May 05, 2026 | +| **Visa** |[Minimum Cost to Select People for Skill Quotas](https://www.fastprep.io/problems/visa-minimum-cost-to-select-people-for-skill-quotas)|[![Practice][p]](https://www.fastprep.io/problems/visa-minimum-cost-to-select-people-for-skill-quotas)| May 05, 2026 | +| **IDFC** |[Special Binary String](https://www.fastprep.io/problems/idfc-special-binary-string)|[![Practice][p]](https://www.fastprep.io/problems/idfc-special-binary-string)| May 01, 2026 | +| **Amazon** |[Feasible Indices After Reduction](https://www.fastprep.io/problems/amazon-feasible-indices-after-reduction)|[![Practice][p]](https://www.fastprep.io/problems/amazon-feasible-indices-after-reduction)| Apr 30, 2026 | +| **Netflix** |[Command Undo Data Structure](https://www.fastprep.io/problems/netflix-command-undo-data-structure)|[![Practice][p]](https://www.fastprep.io/problems/netflix-command-undo-data-structure)| Apr 30, 2026 | +| **Google** |[Shortest Path with Mandatory Waypoint](https://www.fastprep.io/problems/google-shortest-path-with-mandatory-waypoint)|[![Practice][p]](https://www.fastprep.io/problems/google-shortest-path-with-mandatory-waypoint)| Apr 30, 2026 | +| **Google** |[Minimum Cars for Rental Requests](https://www.fastprep.io/problems/google-minimum-cars-for-rental-requests)|[![Practice][p]](https://www.fastprep.io/problems/google-minimum-cars-for-rental-requests)| Apr 30, 2026 | +| **Uber** |[First Unique Log Entry](https://www.fastprep.io/problems/uber-first-unique-log-entry)|[![Practice][p]](https://www.fastprep.io/problems/uber-first-unique-log-entry)| Apr 30, 2026 | +| **Uber** |[Top-K Using a Priority Queue](https://www.fastprep.io/problems/uber-top-k-using-priority-queue)|[![Practice][p]](https://www.fastprep.io/problems/uber-top-k-using-priority-queue)| Apr 30, 2026 | +| **Stripe** |[Generate Available Time Slots](https://www.fastprep.io/problems/stripe-generate-available-time-slots)|[![Practice][p]](https://www.fastprep.io/problems/stripe-generate-available-time-slots)| Apr 30, 2026 | +| **Applied Intuition** |[KV Store with Nested Transactions](https://www.fastprep.io/problems/applied-intuition-kv-store-nested-transactions)|[![Practice][p]](https://www.fastprep.io/problems/applied-intuition-kv-store-nested-transactions)| Apr 30, 2026 | +| **Citadel** |[Minimum Path Sum to Target in Binary Tree](https://www.fastprep.io/problems/citadel-minimum-path-sum-to-target-in-binary-tree)|[![Practice][p]](https://www.fastprep.io/problems/citadel-minimum-path-sum-to-target-in-binary-tree)| Apr 30, 2026 | +| **Datadog** |[Log Ingestion and Query](https://www.fastprep.io/problems/datadog-log-ingestion-and-query)|[![Practice][p]](https://www.fastprep.io/problems/datadog-log-ingestion-and-query)| Apr 30, 2026 | +| **LinkedIn** |[Count Completed Trips](https://www.fastprep.io/problems/linkedin-count-completed-trips)|[![Practice][p]](https://www.fastprep.io/problems/linkedin-count-completed-trips)| Apr 30, 2026 | +| **Oscar Health** |[Members Lacking Provider Network Access](https://www.fastprep.io/problems/oscar-health-members-lacking-provider-network-access)|[![Practice][p]](https://www.fastprep.io/problems/oscar-health-members-lacking-provider-network-access)| Apr 30, 2026 | +| **Tesla** |[KV Store with Rollback](https://www.fastprep.io/problems/tesla-kv-store-with-rollback)|[![Practice][p]](https://www.fastprep.io/problems/tesla-kv-store-with-rollback)| Apr 30, 2026 | +| **Oura** |[Assign Server Numbers by Type](https://www.fastprep.io/problems/oura-assign-server-numbers-by-type)|[![Practice][p]](https://www.fastprep.io/problems/oura-assign-server-numbers-by-type)| Apr 28, 2026 | +| **Verkada** |[Find Valid IP Addresses](https://www.fastprep.io/problems/verkada-find-valid-ip-addresses)|[![Practice][p]](https://www.fastprep.io/problems/verkada-find-valid-ip-addresses)| Apr 28, 2026 | +| **Visa** |[Maximize Capped Contribution Sum](https://www.fastprep.io/problems/visa-maximize-capped-contribution-sum)|[![Practice][p]](https://www.fastprep.io/problems/visa-maximize-capped-contribution-sum)| Apr 27, 2026 | +| **Visa** |[Longest Selectable Non-Decreasing Subarray](https://www.fastprep.io/problems/visa-longest-selectable-nondecreasing-subarray)|[![Practice][p]](https://www.fastprep.io/problems/visa-longest-selectable-nondecreasing-subarray)| Apr 27, 2026 | +| **Databricks** |[Find First Anagram Index](https://www.fastprep.io/problems/databricks-find-first-anagram-index)|[![Practice][p]](https://www.fastprep.io/problems/databricks-find-first-anagram-index)| Apr 27, 2026 | +| **Gemini** |[Minimum Fence Painting Operations](https://www.fastprep.io/problems/gemini-minimum-fence-painting-operations)|[![Practice][p]](https://www.fastprep.io/problems/gemini-minimum-fence-painting-operations)| Apr 27, 2026 | +| **IBM** |[Count Power Products in Range](https://www.fastprep.io/problems/ibm-count-power-products-in-range)|[![Practice][p]](https://www.fastprep.io/problems/ibm-count-power-products-in-range)| Apr 26, 2026 | +| **IBM** |[Count Descending Subarrays](https://www.fastprep.io/problems/ibm-count-descending-subarrays)|[![Practice][p]](https://www.fastprep.io/problems/ibm-count-descending-subarrays)| Apr 26, 2026 | +| **Amazon** |[Count Similar String Groups](https://www.fastprep.io/problems/amazon-count-similar-string-groups)|[![Practice][p]](https://www.fastprep.io/problems/amazon-count-similar-string-groups)| Apr 25, 2026 | +| **Uber** |[Balanced Prefix Sets in a Permutation](https://www.fastprep.io/problems/uber-balanced-prefix-sets-in-permutation)|[![Practice][p]](https://www.fastprep.io/problems/uber-balanced-prefix-sets-in-permutation)| Apr 25, 2026 | +| **Uber** |[Minimum Edge Reversals to Root a Tree](https://www.fastprep.io/problems/uber-minimum-edge-reversals-root)|[![Practice][p]](https://www.fastprep.io/problems/uber-minimum-edge-reversals-root)| Apr 25, 2026 | +| **Amazon** |[Create Array Generator Service](https://www.fastprep.io/problems/2.amazon-create-array-generator-service)|[![Practice][p]](https://www.fastprep.io/problems/2.amazon-create-array-generator-service)| Apr 20, 2026 | +| **Point72** |[Initial Public Offering](https://www.fastprep.io/problems/point72-initial-public-offering)|[![Practice][p]](https://www.fastprep.io/problems/point72-initial-public-offering)| Apr 19, 2026 | +| **Amazon** |[Get Min Errors](https://www.fastprep.io/problems/amazon-get-min-errors)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-errors)| Apr 16, 2026 | +| **Amazon** |[Maximum Score With Non-Adjacent Values](https://www.fastprep.io/problems/amazon-maximum-score-with-non-adjacent-values)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-score-with-non-adjacent-values)| Apr 14, 2026 | +| **Amazon** |[Make Value Groups Contiguous](https://www.fastprep.io/problems/amazon-make-value-groups-contiguous)|[![Practice][p]](https://www.fastprep.io/problems/amazon-make-value-groups-contiguous)| Apr 13, 2026 | +| **Superhuman** |[Lost Messages](https://www.fastprep.io/problems/superhuman-lost-messages)|[![Practice][p]](https://www.fastprep.io/problems/superhuman-lost-messages)| Apr 10, 2026 | +| **Superhuman** |[Optimal Transfer](https://www.fastprep.io/problems/superhuman-optimal-transfer)|[![Practice][p]](https://www.fastprep.io/problems/superhuman-optimal-transfer)| Apr 10, 2026 | +| **Superhuman** |[Math Homework](https://www.fastprep.io/problems/superhuman-math-homework)|[![Practice][p]](https://www.fastprep.io/problems/superhuman-math-homework)| Apr 10, 2026 | +| **Amazon** |[Dynamic Kth Largest Queries](https://www.fastprep.io/problems/amazon-dynamic-kth-largest-queries)|[![Practice][p]](https://www.fastprep.io/problems/amazon-dynamic-kth-largest-queries)| Apr 09, 2026 | +| **Amazon** |[Longest Zero Sum Subarray](https://www.fastprep.io/problems/amazon-longest-zero-sum-subarray)|[![Practice][p]](https://www.fastprep.io/problems/amazon-longest-zero-sum-subarray)| Apr 09, 2026 | +| **Amazon** |[Maximize Minimum Machine Power](https://www.fastprep.io/problems/amazon-maximize-minimum-machine-power)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-minimum-machine-power)| Apr 09, 2026 | +| **Amazon** |[Minimum Stick Connection Cost](https://www.fastprep.io/problems/amazon-minimum-stick-connection-cost)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-stick-connection-cost)| Apr 09, 2026 | +| **Uber** |[Balanced Permutation Subarrays](https://www.fastprep.io/problems/uber-balanced-permutation-subarrays)|[![Practice][p]](https://www.fastprep.io/problems/uber-balanced-permutation-subarrays)| Apr 09, 2026 | +| **Uber** |[Maximum Comfortable Riders](https://www.fastprep.io/problems/uber-maximum-comfortable-riders)|[![Practice][p]](https://www.fastprep.io/problems/uber-maximum-comfortable-riders)| Apr 09, 2026 | +| **Uber** |[Palindrome Path Queries in a Tree](https://www.fastprep.io/problems/uber-palindrome-path-queries)|[![Practice][p]](https://www.fastprep.io/problems/uber-palindrome-path-queries)| Apr 09, 2026 | +| **Amazon** |[Maximize Protected City Population](https://www.fastprep.io/problems/amazon-maximize-protected-city-population)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-protected-city-population)| Apr 06, 2026 | +| **Amazon** |[Minimum Cost to Convert Products to Variant A](https://www.fastprep.io/problems/amazon-minimum-cost-to-convert-products-to-variant-a)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-cost-to-convert-products-to-variant-a)| Apr 06, 2026 | +| **Amazon** |[Minimum Preparation Time for Two Handlers](https://www.fastprep.io/problems/amazon-minimum-preparation-time-for-two-handlers)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-preparation-time-for-two-handlers)| Apr 06, 2026 | +| **Rubrik** |[Minimum Swaps To Binary Palindrome](https://www.fastprep.io/problems/rubrik-minimum-swaps-to-binary-palindrome)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-minimum-swaps-to-binary-palindrome)| Apr 04, 2026 | +| **Zorvyn** |[Shortest Path With K Free Edges](https://www.fastprep.io/problems/zorvyn-shortest-path-with-k-free-edges)|[![Practice][p]](https://www.fastprep.io/problems/zorvyn-shortest-path-with-k-free-edges)| Apr 04, 2026 | +| **Snowflake** |[String Formation (Also for AI/ML Software Engineer Intern :)](https://www.fastprep.io/problems/num-ways)|[![Practice][p]](https://www.fastprep.io/problems/num-ways)| Mar 31, 2026 | +| **Snowflake** |[Max Element Indexes After Rotations](https://www.fastprep.io/problems/snowflake-max-element-indexes-after-rotations)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-max-element-indexes-after-rotations)| Mar 31, 2026 | +| **HackerRank** |[Check Permutation Divisible by Eight](https://www.fastprep.io/problems/hackerrank-check-permutation-divisible-by-eight)|[![Practice][p]](https://www.fastprep.io/problems/hackerrank-check-permutation-divisible-by-eight)| Mar 31, 2026 | +| **Microsoft** |[Maximum Data Transfer Time](https://www.fastprep.io/problems/microsoft-maximum-data-transfer-time)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-data-transfer-time)| Mar 28, 2026 | +| **Amazon** |[Sum Max Plus Min After Decrement Operations](https://www.fastprep.io/problems/amazon-sum-max-plus-min-after-decrement-operations)|[![Practice][p]](https://www.fastprep.io/problems/amazon-sum-max-plus-min-after-decrement-operations)| Mar 25, 2026 | +| **Uber** |[Minimum Plate Collection Time](https://www.fastprep.io/problems/uber-minimum-plate-collection-time)|[![Practice][p]](https://www.fastprep.io/problems/uber-minimum-plate-collection-time)| Mar 25, 2026 | +| **Blackrock** |[Process Scheduling](https://www.fastprep.io/problems/blackrock-process-scheduling)|[![Practice][p]](https://www.fastprep.io/problems/blackrock-process-scheduling)| Mar 25, 2026 | +| **Amazon** |[Sort Error Codes by Frequency](https://www.fastprep.io/problems/amazon-sort-error-codes-by-frequency)|[![Practice][p]](https://www.fastprep.io/problems/amazon-sort-error-codes-by-frequency)| Mar 24, 2026 | +| **Optiver** |[Days Between](https://www.fastprep.io/problems/optiver-days-between)|[![Practice][p]](https://www.fastprep.io/problems/optiver-days-between)| Mar 24, 2026 | +| **DRW** |[Simplified Tetris Engine](https://www.fastprep.io/problems/drw-simplified-tetris-engine)|[![Practice][p]](https://www.fastprep.io/problems/drw-simplified-tetris-engine)| Mar 23, 2026 | +| **Headlands** |[Disaster Recovery](https://www.fastprep.io/problems/headlands-disaster-recovery)|[![Practice][p]](https://www.fastprep.io/problems/headlands-disaster-recovery)| Mar 21, 2026 | +| **Microsoft** |[Visible Profiles Count](https://www.fastprep.io/problems/microsoft-visible-profiles-count)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-visible-profiles-count)| Mar 21, 2026 | +| **Swiggy** |[First and Last Occurrence](https://www.fastprep.io/problems/swiggy-first-and-last-occurrence)|[![Practice][p]](https://www.fastprep.io/problems/swiggy-first-and-last-occurrence)| Mar 20, 2026 | +| **TCS** |[Gym Fees Calculator](https://www.fastprep.io/problems/tcs-gym-fees-calculator)|[![Practice][p]](https://www.fastprep.io/problems/tcs-gym-fees-calculator)| Mar 20, 2026 | +| **Two Sigma** |[Sewer Drainage Partition](https://www.fastprep.io/problems/twosigma-sewer-drainage-partition)|[![Practice][p]](https://www.fastprep.io/problems/twosigma-sewer-drainage-partition)| Mar 18, 2026 | +| **Salesforce** |[Key Teams in Tree](https://www.fastprep.io/problems/salesforce-key-teams-in-tree)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-key-teams-in-tree)| Mar 15, 2026 | +| **Salesforce** |[System Energy Reduction](https://www.fastprep.io/problems/salesforce-system-energy-reduction)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-system-energy-reduction)| Mar 15, 2026 | +| **Salesforce** |[Update Logs by Symmetric XOR](https://www.fastprep.io/problems/salesforce-update-logs-by-symmetric-xor)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-update-logs-by-symmetric-xor)| Mar 15, 2026 | +| **Salesforce** |[Count Palindromic Concatenation Pairs](https://www.fastprep.io/problems/salesforce-count-palindromic-concatenation-pairs)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-count-palindromic-concatenation-pairs)| Mar 02, 2026 | +| **Microsoft** |[Recover Corrupted Master Page](https://www.fastprep.io/problems/microsoft-recover-corrupted-master-page)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-recover-corrupted-master-page)| Feb 27, 2026 | +| **Uber** |[Kth Greater Element Indexes](https://www.fastprep.io/problems/uber-kth-greater-element-indexes)|[![Practice][p]](https://www.fastprep.io/problems/uber-kth-greater-element-indexes)| Feb 24, 2026 | +| **Uber** |[Kth Largest Subarray Bitwise OR](https://www.fastprep.io/problems/uber-kth-largest-subarray-bitwise-or)|[![Practice][p]](https://www.fastprep.io/problems/uber-kth-largest-subarray-bitwise-or)| Feb 24, 2026 | +| **Uber** |[Minimum Spanning Tree Weight in a Complete Binary Graph](https://www.fastprep.io/problems/uber-minimum-spanning-tree-weight-in-complete-binary-graph)|[![Practice][p]](https://www.fastprep.io/problems/uber-minimum-spanning-tree-weight-in-complete-binary-graph)| Feb 24, 2026 | +| **Uber** |[Balanced Prefix Permutation](https://www.fastprep.io/problems/uber-balanced-prefix-permutation)|[![Practice][p]](https://www.fastprep.io/problems/uber-balanced-prefix-permutation)| Feb 19, 2026 | +| **Uber** |[Minimum Euclidean Plate Collection Time](https://www.fastprep.io/problems/uber-minimum-euclidean-plate-collection-time)|[![Practice][p]](https://www.fastprep.io/problems/uber-minimum-euclidean-plate-collection-time)| Feb 19, 2026 | +| **Infosys** |[Maximum Subarray Sum After Swaps](https://www.fastprep.io/problems/infosys-maximum-subarray-sum-after-swaps)|[![Practice][p]](https://www.fastprep.io/problems/infosys-maximum-subarray-sum-after-swaps)| Feb 19, 2026 | +| **Postman** |[Group Duplicate Files by Content](https://www.fastprep.io/problems/postman-duplicate-files-by-content)|[![Practice][p]](https://www.fastprep.io/problems/postman-duplicate-files-by-content)| Feb 17, 2026 | +| **Salesforce** |[Collect Opportunity Data in a Tree](https://www.fastprep.io/problems/salesforce-collect-opportunity-data-in-a-tree)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-collect-opportunity-data-in-a-tree)| Feb 06, 2026 | +| **Salesforce** |[Replace '?' to Avoid Adjacent Duplicates](https://www.fastprep.io/problems/salesforce-replace-question-mark-to-avoid-adjacent-duplicates)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-replace-question-mark-to-avoid-adjacent-duplicates)| Feb 06, 2026 | +| **Salesforce** |[Strings With No k Consecutive Identical Characters](https://www.fastprep.io/problems/salesforce-strings-with-no-k-consecutive-identical-characters)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-strings-with-no-k-consecutive-identical-characters)| Feb 06, 2026 | +| **Amazon** |[Lexicographically Smallest After One Substring Rotation](https://www.fastprep.io/problems/amazon-lexicographically-smallest-after-one-substring-rotation)|[![Practice][p]](https://www.fastprep.io/problems/amazon-lexicographically-smallest-after-one-substring-rotation)| Feb 05, 2026 | +| **Uber** |[Binary Tree: Subtree Sum, Maximum Path Sum, and Path Nodes](https://www.fastprep.io/problems/uber-binary-tree-subtree-sum-maximum-path-and-path-nodes)|[![Practice][p]](https://www.fastprep.io/problems/uber-binary-tree-subtree-sum-maximum-path-and-path-nodes)| Feb 04, 2026 | +| **IBM** |[Count Unstable Processes](https://www.fastprep.io/problems/ibm-count-unstable-processes)|[![Practice][p]](https://www.fastprep.io/problems/ibm-count-unstable-processes)| Feb 03, 2026 | +| **IBM** |[Longest Balanced Binary Subarray](https://www.fastprep.io/problems/ibm-longest-balanced-binary-subarray)|[![Practice][p]](https://www.fastprep.io/problems/ibm-longest-balanced-binary-subarray)| Feb 03, 2026 | +| **Amazon** |[Minimum Operations to Sort a Permutation](https://www.fastprep.io/problems/amazon-minimum-operations-to-sort-permutation)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-operations-to-sort-permutation)| Jan 30, 2026 | +| **Amazon** |[Package Delivery System](https://www.fastprep.io/problems/amazon-package-delivery-system)|[![Practice][p]](https://www.fastprep.io/problems/amazon-package-delivery-system)| Jan 24, 2026 | +| **Amazon** |[VM Rental Revenue](https://www.fastprep.io/problems/amazon-vm-rental-revenue)|[![Practice][p]](https://www.fastprep.io/problems/amazon-vm-rental-revenue)| Jan 24, 2026 | +| **Amazon** |[Lexicographically Maximum Final Sequence](https://www.fastprep.io/problems/amazon-lexicographically-maximum-final-sequence)|[![Practice][p]](https://www.fastprep.io/problems/amazon-lexicographically-maximum-final-sequence)| Jan 24, 2026 | +| **JP Morgan** |[Count Dropped Requests](https://www.fastprep.io/problems/jpmorgan-count-dropped-requests)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-count-dropped-requests)| Jan 19, 2026 | +| **JP Morgan** |[Generate Table of Contents](https://www.fastprep.io/problems/jpmorgan-generate-table-of-contents)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-generate-table-of-contents)| Jan 19, 2026 | +| **Walmart** |[Sort Real Number Strings](https://www.fastprep.io/problems/walmart-sort-real-number-strings)|[![Practice][p]](https://www.fastprep.io/problems/walmart-sort-real-number-strings)| Jan 12, 2026 | +| **SavantLabs** |[Minutes to Infect Tree](https://www.fastprep.io/problems/savantlabs-minutes-to-infect-tree)|[![Practice][p]](https://www.fastprep.io/problems/savantlabs-minutes-to-infect-tree)| Jan 12, 2026 | +| **Toast** |[Maximum Stock Profit With Time Gap](https://www.fastprep.io/problems/toast-maximum-stock-profit-with-time-gap)|[![Practice][p]](https://www.fastprep.io/problems/toast-maximum-stock-profit-with-time-gap)| Jan 12, 2026 | +| **Amazon** |[Longest Arithmetic Subarray After One Change](https://www.fastprep.io/problems/amazon-longest-arithmetic-subarray-after-one-change)|[![Practice][p]](https://www.fastprep.io/problems/amazon-longest-arithmetic-subarray-after-one-change)| Jan 06, 2026 | +| **Amazon** |[Replace Values and Return Sums](https://www.fastprep.io/problems/amazon-replace-values-and-return-sums)|[![Practice][p]](https://www.fastprep.io/problems/amazon-replace-values-and-return-sums)| Jan 06, 2026 | +| **Google** |[Count Divisible Coin Selections](https://www.fastprep.io/problems/google-count-divisible-coin-selections)|[![Practice][p]](https://www.fastprep.io/problems/google-count-divisible-coin-selections)| Dec 24, 2025 | +| **Google** |[Minimum Town Sum Difference](https://www.fastprep.io/problems/google-minimum-town-sum-difference)|[![Practice][p]](https://www.fastprep.io/problems/google-minimum-town-sum-difference)| Dec 24, 2025 | +| **Oracle** |[First Balanced Removal Index](https://www.fastprep.io/problems/oracle-first-balanced-removal-index)|[![Practice][p]](https://www.fastprep.io/problems/oracle-first-balanced-removal-index)| Dec 22, 2025 | +| **Google** |[Reach the End in Time](https://www.fastprep.io/problems/google-reach-the-end-in-time)|[![Practice][p]](https://www.fastprep.io/problems/google-reach-the-end-in-time)| Dec 20, 2025 | +| **HackerRank** |[Ball Passing at Time K](https://www.fastprep.io/problems/hackerrank-ball-passing-at-time-k)|[![Practice][p]](https://www.fastprep.io/problems/hackerrank-ball-passing-at-time-k)| Dec 17, 2025 | +| **HackerRank** |[Longest Equal Binary Subarray](https://www.fastprep.io/problems/hackerrank-longest-equal-binary-subarray)|[![Practice][p]](https://www.fastprep.io/problems/hackerrank-longest-equal-binary-subarray)| Dec 17, 2025 | +| **HackerRank** |[Longest Equal Binary Subarray After One Flip](https://www.fastprep.io/problems/hackerrank-longest-equal-binary-subarray-after-one-flip)|[![Practice][p]](https://www.fastprep.io/problems/hackerrank-longest-equal-binary-subarray-after-one-flip)| Dec 17, 2025 | +| **Visa** |[Previous Bus Departure](https://www.fastprep.io/problems/visa-previous-bus-departure)|[![Practice][p]](https://www.fastprep.io/problems/visa-previous-bus-departure)| Dec 16, 2025 | +| **Zopsmart** |[Base36 Square Root](https://www.fastprep.io/problems/zopsmart-base36-square-root)|[![Practice][p]](https://www.fastprep.io/problems/zopsmart-base36-square-root)| Dec 16, 2025 | +| **Zopsmart** |[Minimum Hidden Roman Value](https://www.fastprep.io/problems/zopsmart-minimum-hidden-roman-value)|[![Practice][p]](https://www.fastprep.io/problems/zopsmart-minimum-hidden-roman-value)| Dec 16, 2025 | +| **Zopsmart** |[Reverse Base36 Number](https://www.fastprep.io/problems/zopsmart-reverse-base36-number)|[![Practice][p]](https://www.fastprep.io/problems/zopsmart-reverse-base36-number)| Dec 16, 2025 | +| **Amazon** |[Minimum S3 Storage Cost](https://www.fastprep.io/problems/amazon-minimum-s3-storage-cost)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-s3-storage-cost)| Dec 11, 2025 | +| **Flipkart** |[Minimized Total Idle Time](https://www.fastprep.io/problems/flipkart-minimized-total-idle-time)|[![Practice][p]](https://www.fastprep.io/problems/flipkart-minimized-total-idle-time)| Dec 11, 2025 | +| **HSBC** |[Minimum Markers to Clear Line Segments](https://www.fastprep.io/problems/hsbc-minimum-markers-to-clear-line-segments)|[![Practice][p]](https://www.fastprep.io/problems/hsbc-minimum-markers-to-clear-line-segments)| Nov 19, 2025 | +| **MathWorks** |[Balancing Teams](https://www.fastprep.io/problems/mathworks-balancing-teams)|[![Practice][p]](https://www.fastprep.io/problems/mathworks-balancing-teams)| Nov 16, 2025 | +| **MathWorks** |[Largest Sub-Grid](https://www.fastprep.io/problems/mathworks-largest-sub-grid)|[![Practice][p]](https://www.fastprep.io/problems/mathworks-largest-sub-grid)| Nov 16, 2025 | +| **Two Sigma** |[Calculate y/x using Patch](https://www.fastprep.io/problems/twosigma-calculate-y-over-x)|[![Practice][p]](https://www.fastprep.io/problems/twosigma-calculate-y-over-x)| Nov 09, 2025 | +| **IBM** |[Process Execution Time](https://www.fastprep.io/problems/ibm-process-execution-time)|[![Practice][p]](https://www.fastprep.io/problems/ibm-process-execution-time)| Nov 03, 2025 | +| **IBM** |[Service Timeout Detection](https://www.fastprep.io/problems/ibm-service-timeout-detection)|[![Practice][p]](https://www.fastprep.io/problems/ibm-service-timeout-detection)| Nov 03, 2025 | +| **Microsoft** |[Distinct Number Line Moves](https://www.fastprep.io/problems/microsoft-distinct-number-line-moves)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-distinct-number-line-moves)| Oct 16, 2025 | +| **Goldman Sachs** |[Lock Code](https://www.fastprep.io/problems/goldman-decrypt-code-lock)|[![Practice][p]](https://www.fastprep.io/problems/goldman-decrypt-code-lock)| Sep 06, 2025 | +| **Goldman Sachs** |[Data Reorganization](https://www.fastprep.io/problems/goldman-get-minimum-value)|[![Practice][p]](https://www.fastprep.io/problems/goldman-get-minimum-value)| Sep 06, 2025 | +| **SpaceX** |[Rocket Component Cost](https://www.fastprep.io/problems/spacex-rocket-component-cost)|[![Practice][p]](https://www.fastprep.io/problems/spacex-rocket-component-cost)| Aug 22, 2025 | +| **Amazon** |[Fair Prize Distribution](https://www.fastprep.io/problems/amazon-fair-prize-distribution)|[![Practice][p]](https://www.fastprep.io/problems/amazon-fair-prize-distribution)| Aug 10, 2025 | +| **Amazon** |[Count Picked Items Less Than Queries](https://www.fastprep.io/problems/amazon-count-picked-items-less-than-queries)|[![Practice][p]](https://www.fastprep.io/problems/amazon-count-picked-items-less-than-queries)| Aug 10, 2025 | +| **Salesforce** |[Spam Text Classification](https://www.fastprep.io/problems/salesforce-spam-text-classification)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-spam-text-classification)| Aug 06, 2025 | +| **Salesforce** |[Viewable Profiles by User](https://www.fastprep.io/problems/salesforce-viewable-profiles-by-user)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-viewable-profiles-by-user)| Aug 06, 2025 | +| **Amazon** |[Largest Number With Digit Sum](https://www.fastprep.io/problems/amazon-largest-number-with-digit-sum)|[![Practice][p]](https://www.fastprep.io/problems/amazon-largest-number-with-digit-sum)| Aug 03, 2025 | +| **Amazon** |[Minimize Binary Subsequence Cost](https://www.fastprep.io/problems/amazon-minimize-binary-subsequence-cost)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimize-binary-subsequence-cost)| Aug 03, 2025 | +| **Salesforce** |[Maximize Movie Ratings With Skip Limit](https://www.fastprep.io/problems/salesforce-maximize-movie-ratings-with-skip-limit)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-maximize-movie-ratings-with-skip-limit)| Jul 26, 2025 | +| **Amazon** |[First Valid Word Segmentation](https://www.fastprep.io/problems/amazon-first-word-segmentation)|[![Practice][p]](https://www.fastprep.io/problems/amazon-first-word-segmentation)| Jul 26, 2025 | +| **Amazon** |[Longest Increasing Subsequence With Bounded Adjacent Difference](https://www.fastprep.io/problems/amazon-longest-increasing-subsequence-bounded-difference)|[![Practice][p]](https://www.fastprep.io/problems/amazon-longest-increasing-subsequence-bounded-difference)| Jul 26, 2025 | +| **Amazon** |[Nearby Fulfillment Centers with Inventory](https://www.fastprep.io/problems/amazon-nearby-fulfillment-centers)|[![Practice][p]](https://www.fastprep.io/problems/amazon-nearby-fulfillment-centers)| Jul 26, 2025 | +| **Amazon** |[Search in a Rotated Sorted Array](https://www.fastprep.io/problems/amazon-search-rotated-sorted-array)|[![Practice][p]](https://www.fastprep.io/problems/amazon-search-rotated-sorted-array)| Jul 26, 2025 | +| **Amperity** |[Draw Overlapping ASCII Rectangles](https://www.fastprep.io/problems/amperity-ascii-rectangle-canvas)|[![Practice][p]](https://www.fastprep.io/problems/amperity-ascii-rectangle-canvas)| Jul 26, 2025 | +| **Anthropic** |[Profiling Events from Consecutive Stack Samples](https://www.fastprep.io/problems/anthropic-consecutive-stack-sample-trace-events)|[![Practice][p]](https://www.fastprep.io/problems/anthropic-consecutive-stack-sample-trace-events)| Jul 26, 2025 | +| **ByteDance** |[Longest Repeating Character Replacement](https://www.fastprep.io/problems/bytedance-longest-repeating-character-replacement)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-longest-repeating-character-replacement)| Jul 26, 2025 | +| **ByteDance** |[QuickSelect Kth Smallest](https://www.fastprep.io/problems/bytedance-quickselect-kth-smallest)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-quickselect-kth-smallest)| Jul 26, 2025 | +| **ByteDance** |[Search in Rotated Sorted Array](https://www.fastprep.io/problems/bytedance-search-in-rotated-sorted-array)|[![Practice][p]](https://www.fastprep.io/problems/bytedance-search-in-rotated-sorted-array)| Jul 26, 2025 | +| **Capillary Technologies** |[Delete a Linked-List Node Without the Head](https://www.fastprep.io/problems/capillary-delete-linked-list-node-without-head)|[![Practice][p]](https://www.fastprep.io/problems/capillary-delete-linked-list-node-without-head)| Jul 26, 2025 | +| **Capillary Technologies** |[Top View of a Binary Tree](https://www.fastprep.io/problems/capillary-top-view-of-binary-tree)|[![Practice][p]](https://www.fastprep.io/problems/capillary-top-view-of-binary-tree)| Jul 26, 2025 | +| **Cisco** |[Longest Non-Repeating Substring](https://www.fastprep.io/problems/cisco-longest-non-repeating-substring)|[![Practice][p]](https://www.fastprep.io/problems/cisco-longest-non-repeating-substring)| Jul 26, 2025 | +| **Databricks** |[Durable Data Writer](https://www.fastprep.io/problems/databricks-durable-data-writer)|[![Practice][p]](https://www.fastprep.io/problems/databricks-durable-data-writer)| Jul 26, 2025 | +| **Databricks** |[Snapshot Set Iterator](https://www.fastprep.io/problems/databricks-snapshot-set-iterator)|[![Practice][p]](https://www.fastprep.io/problems/databricks-snapshot-set-iterator)| Jul 26, 2025 | +| **Google** |[Binary Matrix Top-to-Bottom Reachability](https://www.fastprep.io/problems/google-binary-matrix-top-to-bottom-reachability)|[![Practice][p]](https://www.fastprep.io/problems/google-binary-matrix-top-to-bottom-reachability)| Jul 26, 2025 | +| **Google** |[Enumerate Top-to-Bottom Grid Paths](https://www.fastprep.io/problems/google-enumerate-top-to-bottom-grid-paths)|[![Practice][p]](https://www.fastprep.io/problems/google-enumerate-top-to-bottom-grid-paths)| Jul 26, 2025 | +| **Google** |[Inclusive Rectangle Coverage Counts](https://www.fastprep.io/problems/google-inclusive-rectangle-coverage-counts)|[![Practice][p]](https://www.fastprep.io/problems/google-inclusive-rectangle-coverage-counts)| Jul 26, 2025 | +| **Google** |[Minimum-Weight Top-to-Bottom Grid Path](https://www.fastprep.io/problems/google-minimum-weight-top-to-bottom-grid-path)|[![Practice][p]](https://www.fastprep.io/problems/google-minimum-weight-top-to-bottom-grid-path)| Jul 26, 2025 | +| **Google** |[Priority Job Scheduler with Cooldowns](https://www.fastprep.io/problems/google-priority-job-scheduler-with-cooldown)|[![Practice][p]](https://www.fastprep.io/problems/google-priority-job-scheduler-with-cooldown)| Jul 26, 2025 | +| **Harvey** |[Highlight and Rank Overlapping Citations](https://www.fastprep.io/problems/harvey-rank-citations-by-word-overlap)|[![Practice][p]](https://www.fastprep.io/problems/harvey-rank-citations-by-word-overlap)| Jul 26, 2025 | +| **Illumio** |[Time-Based Key-Value Database](https://www.fastprep.io/problems/illumio-time-based-key-value-database)|[![Practice][p]](https://www.fastprep.io/problems/illumio-time-based-key-value-database)| Jul 26, 2025 | +| **LinkedIn** |[Merge N-Ary Trees by Key](https://www.fastprep.io/problems/linkedin-merge-n-ary-trees-by-key)|[![Practice][p]](https://www.fastprep.io/problems/linkedin-merge-n-ary-trees-by-key)| Jul 26, 2025 | +| **Meta** |[Count Fully Used Batteries](https://www.fastprep.io/problems/meta-count-fully-used-batteries)|[![Practice][p]](https://www.fastprep.io/problems/meta-count-fully-used-batteries)| Jul 26, 2025 | +| **Meta** |[Count Key Changes](https://www.fastprep.io/problems/meta-count-key-changes)|[![Practice][p]](https://www.fastprep.io/problems/meta-count-key-changes)| Jul 26, 2025 | +| **Meta** |[Minimum Operations for a Stepwise Sequence](https://www.fastprep.io/problems/meta-minimum-stepwise-operations)|[![Practice][p]](https://www.fastprep.io/problems/meta-minimum-stepwise-operations)| Jul 26, 2025 | +| **Meta** |[Most Frequent Reduced Digit](https://www.fastprep.io/problems/meta-most-frequent-reduced-digit)|[![Practice][p]](https://www.fastprep.io/problems/meta-most-frequent-reduced-digit)| Jul 26, 2025 | +| **Nuro** |[Maximum Value for Two Delivery Robots](https://www.fastprep.io/problems/nuro-maximum-two-robot-delivery-value)|[![Practice][p]](https://www.fastprep.io/problems/nuro-maximum-two-robot-delivery-value)| Jul 26, 2025 | +| **OnePay** |[Count Complete Toll Journeys](https://www.fastprep.io/problems/onepay-count-complete-toll-journeys)|[![Practice][p]](https://www.fastprep.io/problems/onepay-count-complete-toll-journeys)| Jul 26, 2025 | +| **OpenAI** |[Versioned Followers and Followees](https://www.fastprep.io/problems/openai-versioned-followers-and-followees)|[![Practice][p]](https://www.fastprep.io/problems/openai-versioned-followers-and-followees)| Jul 26, 2025 | +| **OpenAI** |[Versioned Friend Recommendations](https://www.fastprep.io/problems/openai-versioned-friend-recommendations)|[![Practice][p]](https://www.fastprep.io/problems/openai-versioned-friend-recommendations)| Jul 26, 2025 | +| **Pinterest** |[Nearest Eligible Elevator](https://www.fastprep.io/problems/pinterest-nearest-eligible-elevator)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-nearest-eligible-elevator)| Jul 26, 2025 | +| **Pinterest** |[Time-Ordered Elevator Dispatch](https://www.fastprep.io/problems/pinterest-time-ordered-elevator-dispatch)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-time-ordered-elevator-dispatch)| Jul 26, 2025 | +| **Salesforce** |[Maximum Barbell Weight](https://www.fastprep.io/problems/salesforce-weight-capacity)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-weight-capacity)| Jul 26, 2025 | +| **Salesforce** |[Minimum No-Repeat Segments After One Character Removal](https://www.fastprep.io/problems/salesforce-minimum-no-repeat-segments-after-removal)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-minimum-no-repeat-segments-after-removal)| Jul 26, 2025 | +| **SAP Labs** |[Sliding-Window Text Chunking](https://www.fastprep.io/problems/sap-sliding-window-text-chunking)|[![Practice][p]](https://www.fastprep.io/problems/sap-sliding-window-text-chunking)| Jul 26, 2025 | +| **Serval** |[Find Shared Camera Activity Periods](https://www.fastprep.io/problems/serval-shared-camera-activity-periods)|[![Practice][p]](https://www.fastprep.io/problems/serval-shared-camera-activity-periods)| Jul 26, 2025 | +| **Snowflake** |[Simulate a Queued Multi-Rule Rate Limiter](https://www.fastprep.io/problems/snowflake-queued-multi-rule-rate-limiter)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-queued-multi-rule-rate-limiter)| Jul 26, 2025 | +| **Tekion** |[Koko Eating Bananas](https://www.fastprep.io/problems/tekion-koko-eating-bananas)|[![Practice][p]](https://www.fastprep.io/problems/tekion-koko-eating-bananas)| Jul 26, 2025 | +| **Tekion** |[Maximum Sum of a Unique-Element Subarray](https://www.fastprep.io/problems/tekion-maximum-sum-unique-element-subarray)|[![Practice][p]](https://www.fastprep.io/problems/tekion-maximum-sum-unique-element-subarray)| Jul 26, 2025 | +| **Tekion** |[Minimum Size Subarray Sum With Negatives](https://www.fastprep.io/problems/tekion-minimum-size-subarray-sum-with-negatives)|[![Practice][p]](https://www.fastprep.io/problems/tekion-minimum-size-subarray-sum-with-negatives)| Jul 26, 2025 | +| **Tekion** |[Number of Islands](https://www.fastprep.io/problems/tekion-number-of-islands)|[![Practice][p]](https://www.fastprep.io/problems/tekion-number-of-islands)| Jul 26, 2025 | +| **Tekion** |[Set Matrix Zeroes](https://www.fastprep.io/problems/tekion-set-matrix-zeroes)|[![Practice][p]](https://www.fastprep.io/problems/tekion-set-matrix-zeroes)| Jul 26, 2025 | +| **TikTok** |[Can Reach the Exit with Teleports](https://www.fastprep.io/problems/tiktok-teleport-labyrinth)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-teleport-labyrinth)| Jul 26, 2025 | +| **TikTok** |[Check Monotonic Triples](https://www.fastprep.io/problems/tiktok-check-monotonic-triples)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-check-monotonic-triples)| Jul 26, 2025 | +| **TikTok** |[Shift Every K-th Consonant](https://www.fastprep.io/problems/tiktok-shift-every-kth-consonant)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-shift-every-kth-consonant)| Jul 26, 2025 | +| **Together AI** |[Find GPU Capacity and Drain a Node](https://www.fastprep.io/problems/together-ai-gpu-node-rescheduling)|[![Practice][p]](https://www.fastprep.io/problems/together-ai-gpu-node-rescheduling)| Jul 26, 2025 | +| **Virtu Financial** |[Count Substrings With Identical Characters](https://www.fastprep.io/problems/virtu-count-identical-character-substrings)|[![Practice][p]](https://www.fastprep.io/problems/virtu-count-identical-character-substrings)| Jul 26, 2025 | +| **Virtu Financial** |[HexSpeak](https://www.fastprep.io/problems/virtu-hexspeak)|[![Practice][p]](https://www.fastprep.io/problems/virtu-hexspeak)| Jul 26, 2025 | +| **Virtu Financial** |[Maximum Apples That Fit in a Box](https://www.fastprep.io/problems/virtu-maximum-apples-in-box)|[![Practice][p]](https://www.fastprep.io/problems/virtu-maximum-apples-in-box)| Jul 26, 2025 | +| **Virtu Financial** |[Minimum Steps to a Fibonacci Number](https://www.fastprep.io/problems/virtu-minimum-steps-to-fibonacci)|[![Practice][p]](https://www.fastprep.io/problems/virtu-minimum-steps-to-fibonacci)| Jul 26, 2025 | +| **Zoox** |[Best Time to Buy and Sell Stock](https://www.fastprep.io/problems/zoox-best-time-to-buy-and-sell-stock)|[![Practice][p]](https://www.fastprep.io/problems/zoox-best-time-to-buy-and-sell-stock)| Jul 26, 2025 | +| **Arcesium** |[City Infection Number](https://www.fastprep.io/problems/arcesium-city-infection-number)|[![Practice][p]](https://www.fastprep.io/problems/arcesium-city-infection-number)| Jul 23, 2025 | +| **Arcesium** |[Minimum Tunnel Crossing Time](https://www.fastprep.io/problems/arcesium-minimum-tunnel-crossing-time)|[![Practice][p]](https://www.fastprep.io/problems/arcesium-minimum-tunnel-crossing-time)| Jul 23, 2025 | +| **Arcesium** |[Product of Subset Maxima](https://www.fastprep.io/problems/arcesium-product-of-subset-maxima)|[![Practice][p]](https://www.fastprep.io/problems/arcesium-product-of-subset-maxima)| Jul 23, 2025 | +| **Arcesium** |[Reconstruct the Root Stream](https://www.fastprep.io/problems/arcesium-reconstruct-root-stream)|[![Practice][p]](https://www.fastprep.io/problems/arcesium-reconstruct-root-stream)| Jul 23, 2025 | +| **Amazon** |[Maximize Pages Before Suspension](https://www.fastprep.io/problems/amazon-maximize-pages-before-suspension)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-pages-before-suspension)| Jul 08, 2025 | +| **Salesforce** |[Minimum Operations to Zero](https://www.fastprep.io/problems/salesforce-minimum-operations-to-zero)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-minimum-operations-to-zero)| Jul 08, 2025 | +| **Salesforce** |[Integrity Score](https://www.fastprep.io/problems/salesforce-integrity-score)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-integrity-score)| Jul 08, 2025 | +| **Fortinet** |[Compute Checksum Aggregation](https://www.fastprep.io/problems/fortinet-compute-checksum-aggregation)|[![Practice][p]](https://www.fastprep.io/problems/fortinet-compute-checksum-aggregation)| Jul 08, 2025 | +| **Fortinet** |[Madam C.J. Walker's Business Plan](https://www.fastprep.io/problems/fortinet-calculate-maximum-profit)|[![Practice][p]](https://www.fastprep.io/problems/fortinet-calculate-maximum-profit)| Jun 24, 2025 | +| **Fortinet** |[K-Means Clustering](https://www.fastprep.io/problems/fortinet-get-maximum-distance)|[![Practice][p]](https://www.fastprep.io/problems/fortinet-get-maximum-distance)| Jun 24, 2025 | +| **Fortinet** |[Signal Pings](https://www.fastprep.io/problems/fortinet-get-required-sweeps)|[![Practice][p]](https://www.fastprep.io/problems/fortinet-get-required-sweeps)| Jun 24, 2025 | +| **Box** |[Retention Policy Collision](https://www.fastprep.io/problems/box-find-remaining-policies)|[![Practice][p]](https://www.fastprep.io/problems/box-find-remaining-policies)| Jun 24, 2025 | +| **Box** |[Counterfeit Currency](https://www.fastprep.io/problems/box-count-counterfeit)|[![Practice][p]](https://www.fastprep.io/problems/box-count-counterfeit)| Jun 24, 2025 | +| **Box** |[Box Fro~yo](https://www.fastprep.io/problems/box-flavor-changer)|[![Practice][p]](https://www.fastprep.io/problems/box-flavor-changer)| Jun 24, 2025 | +| **Amazon** |[Predict Answer](https://www.fastprep.io/problems/amazon-predict-answer)|[![Practice][p]](https://www.fastprep.io/problems/amazon-predict-answer)| Jun 23, 2025 | +| **Amazon** |[Get Min Subsegments](https://www.fastprep.io/problems/amazon-get-min-subsegments)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-subsegments)| Jun 18, 2025 | +| **Amazon** |[Find Security Level](https://www.fastprep.io/problems/amazon-find-security-level)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-security-level)| Jun 18, 2025 | +| **Amazon** |[Minimize Variation](https://www.fastprep.io/problems/amazon-minimize-variation)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimize-variation)| Jun 18, 2025 | +| **JP Morgan** |[Calculate Net Profit](https://www.fastprep.io/problems/jpmorgan-calculate-net-profit)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-calculate-net-profit)| Jun 18, 2025 | +| **JP Morgan** |[Balanced Sum](https://www.fastprep.io/problems/jpmorgan-balanced-sum)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-balanced-sum)| Jun 18, 2025 | +| **JP Morgan** |[Get Min Operations](https://www.fastprep.io/problems/jpmorgan-get-min-operations)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-min-operations)| Jun 18, 2025 | +| **JP Morgan** |[Get Search Result](https://www.fastprep.io/problems/jpmorgan-get-search-results)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-search-results)| Jun 18, 2025 | +| **JP Morgan** |[One Substring Count](https://www.fastprep.io/problems/jpmorgan-one-substring-count)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-one-substring-count)| Jun 18, 2025 | +| **JP Morgan** |[Find Total Weight](https://www.fastprep.io/problems/jpmorgan-find-total-weight)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-find-total-weight)| Jun 18, 2025 | +| **PayPay** |[Sum Consecutive Identical Digits](https://www.fastprep.io/problems/paypay-sum-consecutive-identical-digits)|[![Practice][p]](https://www.fastprep.io/problems/paypay-sum-consecutive-identical-digits)| Jun 18, 2025 | +| **PayPay** |[Board Coloring and Query Processing](https://www.fastprep.io/problems/paypay-board-coloring-and-query-processing)|[![Practice][p]](https://www.fastprep.io/problems/paypay-board-coloring-and-query-processing)| Jun 18, 2025 | +| **PayPay** |[Palindromic Array Transformation](https://www.fastprep.io/problems/paypay-palindromic-array-transformation)|[![Practice][p]](https://www.fastprep.io/problems/paypay-palindromic-array-transformation)| Jun 18, 2025 | +| **PayPay** |[Calculate Change](https://www.fastprep.io/problems/paypay-calculate-change)|[![Practice][p]](https://www.fastprep.io/problems/paypay-calculate-change)| Jun 18, 2025 | +| **PayPay** |[Find Maximum Two-Digit Fragment](https://www.fastprep.io/problems/paypay-find-maximum-two-digit-fragment)|[![Practice][p]](https://www.fastprep.io/problems/paypay-find-maximum-two-digit-fragment)| Jun 18, 2025 | +| **Amazon** |[Find Hash](https://www.fastprep.io/problems/amazon-find-hash)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-hash)| Jun 12, 2025 | +| **Fivetran** | [Aladdin and the Magic Carpet](https://www.fastprep.io/problems/fivetran-aladdin-and-the-magic-carpet) | [![Practice][p]](https://www.fastprep.io/problems/fivetran-aladdin-and-the-magic-carpet) | Jun 12, 2025 | +| **Amazon** |[Find Minimum Days](https://www.fastprep.io/problems/amazon-find-minimum-days)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-days)| May 31, 2025 | +| **Amazon** |[Split Prefix Suffix](https://www.fastprep.io/problems/amazon-split-prefix-suffix)|[![Practice][p]](https://www.fastprep.io/problems/amazon-split-prefix-suffix)| May 31, 2025 | +| **Amazon** |[Find Minimum Machine Sizes](https://www.fastprep.io/problems/amazon-find-minimum-machines-size)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-machines-size)| May 31, 2025 | +| **Amazon** |[Count Special Substrings](https://www.fastprep.io/problems/amazon-count-special-substrs)|[![Practice][p]](https://www.fastprep.io/problems/amazon-count-special-substrs)| May 31, 2025 | +| **Amazon** |[Get Maximum Count](https://www.fastprep.io/problems/amazon-get-maximum-count)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-maximum-count)| May 31, 2025 | +| **Cloudflare** |[Determine Min Partitions Required](https://www.fastprep.io/problems/cloudflare-determine-min-partitions-required)|[![Practice][p]](https://www.fastprep.io/problems/cloudflare-determine-min-partitions-required)| May 31, 2025 | +| **Amazon** |[Determine the Best Skipping Strategy](https://www.fastprep.io/problems/amazon-determine-the-best-skipping-strategy)|[![Practice][p]](https://www.fastprep.io/problems/amazon-determine-the-best-skipping-strategy)| May 25, 2025 | +| **Amazon** |[Find Number of Compatible Substrings](https://www.fastprep.io/problems/1.amazon-find-number-of-compatible-substrings)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-number-of-compatible-substrings)| May 25, 2025 | +| **Amazon** |[Minimum Connected Delivery Zones After Adding One Interval](https://www.fastprep.io/problems/1.amazon-min-disconnected-sets)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-min-disconnected-sets)| May 25, 2025 | +| **Amazon** |[Find Maximum Score](https://www.fastprep.io/problems/1.amazon-find-maximum-score)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-maximum-score)| May 25, 2025 | +| **Amazon** |[Lexicographically Maximal Resulting Array](https://www.fastprep.io/problems/1.amazon-lexicographically-maximal-resulting-array)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-lexicographically-maximal-resulting-array)| May 25, 2025 | +| **Meesho** |[Distinct Moves](https://www.fastprep.io/problems/meesho-distinct-moves)|[![Practice][p]](https://www.fastprep.io/problems/meesho-distinct-moves)| May 25, 2025 | +| **Agoda** |[Unique Digits in Range](https://www.fastprep.io/problems/agoda-unique-digits-in-range)|[![Practice][p]](https://www.fastprep.io/problems/agoda-unique-digits-in-range)| May 25, 2025 | +| **Agoda** |[Two-Core Process Assignment](https://www.fastprep.io/problems/agoda-two-core-process-assignment)|[![Practice][p]](https://www.fastprep.io/problems/agoda-two-core-process-assignment)| May 25, 2025 | +| **Agoda** |[Team Formation](https://www.fastprep.io/problems/agoda-team-formation)|[![Practice][p]](https://www.fastprep.io/problems/agoda-team-formation)| May 25, 2025 | +| **IBM** |[Get Min Increment](https://www.fastprep.io/problems/ibm-get-minimum-increment)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-minimum-increment)| May 25, 2025 | +| **IBM** |[Get Min Operations](https://www.fastprep.io/problems/ibm-get-min-operations)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-min-operations)| May 25, 2025 | +| **Microsoft** |[Valid Mixed Case Letters](https://www.fastprep.io/problems/microsoft-valid-mixed-case-letters)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-valid-mixed-case-letters)| May 25, 2025 | +| **Airtable** |[Approximate Percentiles](https://www.fastprep.io/problems/airtable-approximate-percentiles)|[![Practice][p]](https://www.fastprep.io/problems/airtable-approximate-percentiles)| May 25, 2025 | +| **Airtable** |[Get Most Hydrated Team](https://www.fastprep.io/problems/airtable-get-mostp-hydrated-team)|[![Practice][p]](https://www.fastprep.io/problems/airtable-get-mostp-hydrated-team)| May 25, 2025 | +| **Airtable** |[Table Editing](https://www.fastprep.io/problems/airtable-percentiles)|[![Practice][p]](https://www.fastprep.io/problems/airtable-percentiles)| May 25, 2025 | +| **Dell** |[Optimizing Resource Allocation](https://www.fastprep.io/problems/dell-find-optimal-resources)|[![Practice][p]](https://www.fastprep.io/problems/dell-find-optimal-resources)| May 25, 2025 | +| **Dell** |[Count Binary Substrings](https://www.fastprep.io/problems/dell-get-substring-count)|[![Practice][p]](https://www.fastprep.io/problems/dell-get-substring-count)| May 25, 2025 | +| **Epify** |[Request Redirection](https://www.fastprep.io/problems/epifi-get-min-latency)|[![Practice][p]](https://www.fastprep.io/problems/epifi-get-min-latency)| May 25, 2025 | +| **Juspay** |[Converging Maze: Largest Sum Cycle](https://www.fastprep.io/problems/juspay-converging-maze-largest-sum-cycle)|[![Practice][p]](https://www.fastprep.io/problems/juspay-converging-maze-largest-sum-cycle)| May 25, 2025 | +| **Juspay** |[Converging Maze: Nearest meeting cell](https://www.fastprep.io/problems/juspay-nearest-meeting-cell)|[![Practice][p]](https://www.fastprep.io/problems/juspay-nearest-meeting-cell)| May 25, 2025 | +| **Amazon** |[Min Dock Bays](https://www.fastprep.io/problems/amazon-get-minimum-dock-bays)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-minimum-dock-bays)| Apr 27, 2025 | +| **Amazon** |[Find Idle Skill Query](https://www.fastprep.io/problems/amazon-find-idle-skills-query)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-idle-skills-query)| Apr 27, 2025 | +| **Amazon** |[Compute Beauty of Array Products](https://www.fastprep.io/problems/amazon-compute-beauty-of-array-products)|[![Practice][p]](https://www.fastprep.io/problems/amazon-compute-beauty-of-array-products)| Apr 27, 2025 | +| **Amazon** |[Min Num Unique Distribution Hubs](https://www.fastprep.io/problems/amazon-get-minimum-number-of-unique-distribution-centers)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-minimum-number-of-unique-distribution-centers)| Apr 13, 2025 | +| **Amazon** |[Use Minimum Tokens](https://www.fastprep.io/problems/amazon-use-minimum-tokens)|[![Practice][p]](https://www.fastprep.io/problems/amazon-use-minimum-tokens)| Apr 13, 2025 | +| **Amazon** |[Next Perfect String](https://www.fastprep.io/problems/amazon-next-greater-perfect-string)|[![Practice][p]](https://www.fastprep.io/problems/amazon-next-greater-perfect-string)| Apr 13, 2025 | +| **DTCC** |[Find Reciprocal](https://www.fastprep.io/problems/dtcc-find-reciprocal)|[![Practice][p]](https://www.fastprep.io/problems/dtcc-find-reciprocal)| Apr 13, 2025 | +| **Amazon** |[Remove Characters in Frequency Order](https://www.fastprep.io/problems/amazon-remove-characters-in-frequency-order)|[![Practice][p]](https://www.fastprep.io/problems/amazon-remove-characters-in-frequency-order)| Apr 10, 2025 | +| **Microsoft** |[Min Cars to Remove](https://www.fastprep.io/problems/microsoft-minimum-cars-to-remove)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-cars-to-remove)| Apr 10, 2025 | +| **Amazon** |[Optimal Utilization](https://www.fastprep.io/problems/amazon-optimal-utilization)|[![Practice][p]](https://www.fastprep.io/problems/amazon-optimal-utilization)| Apr 05, 2025 | +| **Amazon** |[Buy Servers](https://www.fastprep.io/problems/amazon-purchase-servers)|[![Practice][p]](https://www.fastprep.io/problems/amazon-purchase-servers)| Apr 05, 2025 | +| **Amazon** |[Min Retailers](https://www.fastprep.io/problems/amazon-minimum-retailers)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-retailers)| Mar 31, 2025 | +| **Amazon** |[Cinema Shows](https://www.fastprep.io/problems/amazon-cinema-shows)|[![Practice][p]](https://www.fastprep.io/problems/amazon-cinema-shows)| Mar 31, 2025 | +| **Amazon** |[Find Replacement](https://www.fastprep.io/problems/amazon-find-min-replacements)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-min-replacements)| Mar 29, 2025 | +| **IBM** |[Bitonic Subarray](https://www.fastprep.io/problems/ibm-find-length-of-longest-bitonic-subarray)|[![Practice][p]](https://www.fastprep.io/problems/ibm-find-length-of-longest-bitonic-subarray)| Mar 29, 2025 | +| **ZipRecruiter** |[Fantasy Card Duel](https://www.fastprep.io/problems/ziprecruiter-fantasy-card-duel)|[![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-fantasy-card-duel)| Mar 29, 2025 | +| **Amazon** |[Good String](https://www.fastprep.io/problems/amazon-convert-to-good-string)|[![Practice][p]](https://www.fastprep.io/problems/amazon-convert-to-good-string)| Mar 28, 2025 | +| **ZipRecruiter** |[Triplets With Unique Chars](https://www.fastprep.io/problems/ziprecruiter-triplets-with-unique-chars)|[![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-triplets-with-unique-chars)| Mar 28, 2025 | +| **HSBC** |[Flower Bouquets](https://www.fastprep.io/problems/hsbc-arrange-flower-sticks)|[![Practice][p]](https://www.fastprep.io/problems/hsbc-arrange-flower-sticks)| Mar 28, 2025 | +| **HSBC** |[Max House Area](https://www.fastprep.io/problems/hsbc-find-largest-house-area)|[![Practice][p]](https://www.fastprep.io/problems/hsbc-find-largest-house-area)| Mar 28, 2025 | +| **Yahoo** |[Count Substring](https://www.fastprep.io/problems/yahoo-get-substring-count)|[![Practice][p]](https://www.fastprep.io/problems/yahoo-get-substring-count)| Mar 28, 2025 | +| **Yahoo** |[Get String](https://www.fastprep.io/problems/yahoo-get-string)|[![Practice][p]](https://www.fastprep.io/problems/yahoo-get-string)| Mar 28, 2025 | +| **Amazon** |[Max Sum of Non-overlapping Intervals](https://www.fastprep.io/problems/amazon-max-sum-of-non-overlapping-intervals)|[![Practice][p]](https://www.fastprep.io/problems/amazon-max-sum-of-non-overlapping-intervals)| Mar 27, 2025 | +| **Amazon** |[Find Min Max Difference](https://www.fastprep.io/problems/amazon-find-min-max-difference)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-min-max-difference)| Mar 27, 2025 | +| **Amazon** |[Get Minimal Cost](https://www.fastprep.io/problems/amazon-get-minimal-cost)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-minimal-cost)| Mar 26, 2025 | +| **Microsoft** |[Freeing Shelves](https://www.fastprep.io/problems/microsoft-maximize-types-after-freeing-shelves)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximize-types-after-freeing-shelves)| Mar 25, 2025 | +| **Microsoft** |[Balance the Game Board](https://www.fastprep.io/problems/microsoft-balance-the-game-board)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-balance-the-game-board)| Mar 25, 2025 | +| **Amazon** |[Make Array Distinct](https://www.fastprep.io/problems/amazon-make-array-distinct)|[![Practice][p]](https://www.fastprep.io/problems/amazon-make-array-distinct)| Mar 24, 2025 | +| **Amazon** |[Find Least Possible Vulnerability](https://www.fastprep.io/problems/amazon-find-least-possible-vulnerability)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-least-possible-vulnerability)| Mar 24, 2025 | +| **Tesla** |[Shoe Factory](https://www.fastprep.io/problems/tesla-shoe-factory)|[![Practice][p]](https://www.fastprep.io/problems/tesla-shoe-factory)| Mar 24, 2025 | +| **Tesla** |[Encrypt](https://www.fastprep.io/problems/tesla-encrypt)|[![Practice][p]](https://www.fastprep.io/problems/tesla-encrypt)| Mar 24, 2025 | +| **Fortinet** |[Beautiful Strings](https://www.fastprep.io/problems/fortinet-maximize-beautiful-substrings)|[![Practice][p]](https://www.fastprep.io/problems/fortinet-maximize-beautiful-substrings)| Mar 24, 2025 | +| **Amazon** |[Number Of Well Performing Groups](https://www.fastprep.io/problems/amazon-number-of-well-performing-groups)|[![Practice][p]](https://www.fastprep.io/problems/amazon-number-of-well-performing-groups)| Mar 23, 2025 | +| **Amazon** |[Ensure Non Zero Load Sum](https://www.fastprep.io/problems/amazon-ensure-non-zero-load-sum)|[![Practice][p]](https://www.fastprep.io/problems/amazon-ensure-non-zero-load-sum)| Mar 23, 2025 | +| **TikTok** |[Min Adjustment](https://www.fastprep.io/problems/tiktok-get-min-adjustments)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-get-min-adjustments)| Mar 23, 2025 | +| **TikTok** |[Shopping Cost](https://www.fastprep.io/problems/tiktok-calculate-tiktok-shopping-cost)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-calculate-tiktok-shopping-cost)| Mar 23, 2025 | +| **Instacart** |[Bird Collects Sticks](https://www.fastprep.io/problems/instacart-collect-sticks)|[![Practice][p]](https://www.fastprep.io/problems/instacart-collect-sticks)| Mar 23, 2025 | +| **Instacart** |[Pop Bubbles](https://www.fastprep.io/problems/instacart-pop-bubbles)|[![Practice][p]](https://www.fastprep.io/problems/instacart-pop-bubbles)| Mar 23, 2025 | +| **Instacart** |[Count Color Pairs](https://www.fastprep.io/problems/instacart-balloon-color-pairs)|[![Practice][p]](https://www.fastprep.io/problems/instacart-balloon-color-pairs)| Mar 23, 2025 | +| **Amazon** |[Get Max Increments](https://www.fastprep.io/problems/amazon-get-max-increments)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-increments)| Mar 22, 2025 | +| **Amazon** |[Password Strength](https://www.fastprep.io/problems/amazon-password-strength)|[![Practice][p]](https://www.fastprep.io/problems/amazon-password-strength)| Mar 22, 2025 | +| **Publicis Sapients** |[Get Min Time](https://www.fastprep.io/problems/publicis-sapients-get-minimum-time)|[![Practice][p]](https://www.fastprep.io/problems/publicis-sapients-get-minimum-time)| Mar 22, 2025 | +| **Pure Storage** |[Bakery Quality Control](https://www.fastprep.io/problems/purestorage-compare-boxes-to-template)|[![Practice][p]](https://www.fastprep.io/problems/purestorage-compare-boxes-to-template)| Mar 22, 2025 | +| **Pure Storage** |[Find Repetition](https://www.fastprep.io/problems/purestorage-find-repetitions)|[![Practice][p]](https://www.fastprep.io/problems/purestorage-find-repetitions)| Mar 22, 2025 | +| **Pure Storage** |[Count Different Palindrome Substrings](https://www.fastprep.io/problems/purestorage-count-different-palindrome-substrings)|[![Practice][p]](https://www.fastprep.io/problems/purestorage-count-different-palindrome-substrings)| Mar 22, 2025 | +| **Pure Storage** |[Racing Results](https://www.fastprep.io/problems/purestorage-racing-results)|[![Practice][p]](https://www.fastprep.io/problems/purestorage-racing-results)| Mar 22, 2025 | +| **Ramp** |[Accept or Decline Queries](https://www.fastprep.io/problems/ramp-accept-or-decline-queries)|[![Practice][p]](https://www.fastprep.io/problems/ramp-accept-or-decline-queries)| Mar 22, 2025 | +| **Amazon** |[Trader Joe Trades](https://www.fastprep.io/problems/amazon-trader-joe-trades)|[![Practice][p]](https://www.fastprep.io/problems/amazon-trader-joe-trades)| Mar 21, 2025 | +| **Amazon** |[Optimal Level](https://www.fastprep.io/problems/amazon-find-optimal-level)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-optimal-level)| Mar 21, 2025 | +| **Amazon** |[Min Operation](https://www.fastprep.io/problems/amazon-min-operation)|[![Practice][p]](https://www.fastprep.io/problems/amazon-min-operation)| Mar 21, 2025 | +| **Amazon** |[All About Rewards](https://www.fastprep.io/problems/amazon-all-about-rewards)|[![Practice][p]](https://www.fastprep.io/problems/amazon-all-about-rewards)| Mar 20, 2025 | +| **Amazon** |[Inventory Processes Survival Possibility](https://www.fastprep.io/problems/amazon-inventory-processes-survival-possibility)|[![Practice][p]](https://www.fastprep.io/problems/amazon-inventory-processes-survival-possibility)| Mar 18, 2025 | +| **Amazon** |[All About Medians](https://www.fastprep.io/problems/amazon-medians)|[![Practice][p]](https://www.fastprep.io/problems/amazon-medians)| Mar 18, 2025 | +| **Amazon** |[Get Largest Number](https://www.fastprep.io/problems/amazon-find-partition-cost)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-partition-cost)| Mar 13, 2025 | +| **SpaceX** |[Speed to Pressure Lookup](https://www.fastprep.io/problems/spacex-speed-to-pressure-lookup)|[![Practice][p]](https://www.fastprep.io/problems/spacex-speed-to-pressure-lookup)| Mar 13, 2025 | +| **Amazon** |[Get The Most Out Of The Data](https://www.fastprep.io/problems/amazon-get-most-out-of-the-data)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-most-out-of-the-data)| Feb 10, 2025 | +| **TikTok** |[Playlist Partitioning](https://www.fastprep.io/problems/tiktok-playlist-partitioning)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-playlist-partitioning)| Feb 09, 2025 | +| **TikTok** |[Change Username](https://www.fastprep.io/problems/tiktok-changing-username)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-changing-username)| Feb 09, 2025 | +| **Microsoft** |[Maximize Number Of Produced Cars](https://www.fastprep.io/problems/microsoft-maximize-number-of-produced-cars)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximize-number-of-produced-cars)| Feb 08, 2025 | +| **Microsoft** |[Minimize Tokens Remaining](https://www.fastprep.io/problems/microsoft-minimum-tokens-remaining)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-tokens-remaining)| Feb 08, 2025 | +| **Amazon** |[Max Number of Products You can Pick](https://www.fastprep.io/problems/amazon-maximum-number-of-products-you-can-pick)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-number-of-products-you-can-pick)| Feb 05, 2025 | +| **Amazon** |[Maximize Sum of Array Multiplication](https://www.fastprep.io/problems/amazon-maximize-sum-of-array-multiplication)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-sum-of-array-multiplication)| Feb 05, 2025 | +| **Amazon** |[Sum of Max Subarrys](https://www.fastprep.io/problems/amazon-sum-of-max-subarrays)|[![Practice][p]](https://www.fastprep.io/problems/amazon-sum-of-max-subarrays)| Feb 02, 2025 | +| **Amazon** |[Get Maximum](https://www.fastprep.io/problems/amazon-get-maximum)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-maximum)| Feb 02, 2025 | +| **Amazon** |[Get Min Score](https://www.fastprep.io/problems/1.amazon-get-min-score1)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-min-score1)| Jan 25, 2025 | +| **Amazon** |[Equal Products](https://www.fastprep.io/problems/1.amazon-equal-products)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-equal-products)| Jan 20, 2025 | +| **Amazon** |[Find Sum of System Volnerability](https://www.fastprep.io/problems/amazon-find-sum-of-system-vulnerability)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-sum-of-system-vulnerability)| Jan 10, 2025 | +| **Amazon** |[Maximize Product of Sizes of Subtrees](https://www.fastprep.io/problems/amazon-maximize-product-of-sizes-of-subtrees)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-product-of-sizes-of-subtrees)| Jan 09, 2025 | +| **Amazon** |[Min Energy Cost](https://www.fastprep.io/problems/amazon-minimum-energy-cost)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-energy-cost)| Jan 09, 2025 | +| **Amazon** |[Calculate Max Salary](https://www.fastprep.io/problems/amazon-calculate-max-salary)|[![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-max-salary)| Jan 09, 2025 | +| **Amazon** |[Optimal Interval Difference](https://www.fastprep.io/problems/amazon-optimal-interval-difference)|[![Practice][p]](https://www.fastprep.io/problems/amazon-optimal-interval-difference)| Jan 08, 2025 | +| **Amazon** |[Get Largest Index Len](https://www.fastprep.io/problems/1.amazon-get-largest-index-len)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-largest-index-len)| Jan 08, 2025 | +| **Amazon** |[Find Max Value](https://www.fastprep.io/problems/amazon-find-max-value)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-max-value)| Jan 05, 2025 | +| **Amazon** |[Get Max Events](https://www.fastprep.io/problems/amazon-get-maximum-events)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-maximum-events)| Jan 05, 2025 | +| **TikTok** |[TikTok Spam Filter](https://www.fastprep.io/problems/tiktok-get-spam-comments)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-get-spam-comments)| Jan 04, 2025 | +| **TikTok** |[Count Twin Pairs](https://www.fastprep.io/problems/tiktok-count-twin-pairs)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-count-twin-pairs)| Jan 04, 2025 | +| **Google** |[Number of Distinct Islands](https://www.fastprep.io/problems/google-number-of-distinct-islands)|[![Practice][p]](https://www.fastprep.io/problems/google-number-of-distinct-islands)| Dec 31, 2024 | +| **Snowflake** |[Remove Stones to Minimize the Total](https://www.fastprep.io/problems/snowflake-remove-stones-to-minimize-the-total)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-remove-stones-to-minimize-the-total)| Dec 28, 2024 | +| **Snowflake** |[Find the Max Len of A Good Subsequence I](https://www.fastprep.io/problems/snowflake-find-the-maximum-length-of-a-good-subsequence-i)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-find-the-maximum-length-of-a-good-subsequence-i)| Dec 28, 2024 | +| **Microsoft** |[Sum with Tiles](https://www.fastprep.io/problems/microsoft-sum-with-tiles)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-sum-with-tiles)| Dec 24, 2024 | +| **Microsoft** |[Maximize Sum of Two Non Overlapping Fragments](https://www.fastprep.io/problems/microsoft-maximize-sum-of-two-non-overlapping-fragments)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximize-sum-of-two-non-overlapping-fragments)| Dec 24, 2024 | +| **Amazon** |[Similar Text Substring Count](https://www.fastprep.io/problems/1.amazon-similar-text-substring-count)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-similar-text-substring-count)| Dec 23, 2024 | +| **Capital One** |[Sum Digits Until One](https://www.fastprep.io/problems/capitalone-sum-digits-until-one)|[![Practice][p]](https://www.fastprep.io/problems/capitalone-sum-digits-until-one)| Dec 23, 2024 | +| **IBM** |[Min Cost](https://www.fastprep.io/problems/ibm-get-minimum-cost)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-minimum-cost)| Dec 23, 2024 | +| **IBM** |[Min Difference](https://www.fastprep.io/problems/ibm-minimum-difference)|[![Practice][p]](https://www.fastprep.io/problems/ibm-minimum-difference)| Dec 23, 2024 | +| **IBM** |[Max Profit](https://www.fastprep.io/problems/ibm-max-profit)|[![Practice][p]](https://www.fastprep.io/problems/ibm-max-profit)| Dec 23, 2024 | +| **Amazon** |[Max Transfer Rate](https://www.fastprep.io/problems/amazon-max-transfer-rate)|[![Practice][p]](https://www.fastprep.io/problems/amazon-max-transfer-rate)| Dec 22, 2024 | +| **Amazon** |[Get Final Location](https://www.fastprep.io/problems/amazon-get-final-locations)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-final-locations)| Dec 22, 2024 | +| **Amazon** |[Get Number of Redundancy Free](https://www.fastprep.io/problems/1.amazon-get-number-redundancy-free)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-number-redundancy-free)| Dec 22, 2024 | +| **Amazon** |[Get Stable Periods Count](https://www.fastprep.io/problems/amazon-get-stable-periods-count)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-stable-periods-count)| Dec 22, 2024 | +| **Amazon** |[Maximize Total Memory Points](https://www.fastprep.io/problems/1.amazon-maximize-total-memory-points)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-maximize-total-memory-points)| Dec 22, 2024 | +| **Amazon** |[Get Min Removals](https://www.fastprep.io/problems/1.amazon-get-min-removals)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-min-removals)| Dec 22, 2024 | +| **Amazon** |[Get Relative Ratings](https://www.fastprep.io/problems/1.amazon-get-relative-ratings)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-relative-ratings)| Dec 22, 2024 | +| **Amazon** |[Calculate Max Profit](https://www.fastprep.io/problems/amazon-calculate-max-profit)|[![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-max-profit)| Dec 22, 2024 | +| **Google** |[Max Break Time](https://www.fastprep.io/problems/google-reschedule-k-meetings-to-find-maximum-break-time)|[![Practice][p]](https://www.fastprep.io/problems/google-reschedule-k-meetings-to-find-maximum-break-time)| Dec 22, 2024 | +| **Microsoft** |[Three Partition Array](https://www.fastprep.io/problems/microsoft-three-partition-array)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-three-partition-array)| Dec 22, 2024 | +| **Amazon** |[Min Operations](https://www.fastprep.io/problems/amazon-make-array-zero-by-subtracting-equal-amounts)|[![Practice][p]](https://www.fastprep.io/problems/amazon-make-array-zero-by-subtracting-equal-amounts)| Dec 20, 2024 | +| **Amazon** |[Get Max Stability](https://www.fastprep.io/problems/amazon-minimum-swaps-to-make-palindrome)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-swaps-to-make-palindrome)| Dec 20, 2024 | +| **Amazon** |[Get Max Stability](https://www.fastprep.io/problems/amazon-get-max-stability)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-stability)| Dec 20, 2024 | +| **Google** |[Set Total Palindrome Tranformation Cost](https://www.fastprep.io/problems/google-set-total-palindrome-transformation-cost)|[![Practice][p]](https://www.fastprep.io/problems/google-set-total-palindrome-transformation-cost)| Dec 20, 2024 | +| **Trend Micro** |[Change Segment Colors](https://www.fastprep.io/problems/trendmicro-change-segment-colors)|[![Practice][p]](https://www.fastprep.io/problems/trendmicro-change-segment-colors)| Dec 20, 2024 | +| **Google** |[Find Optimal Input](https://www.fastprep.io/problems/google-find-optimal-input)|[![Practice][p]](https://www.fastprep.io/problems/google-find-optimal-input)| Dec 18, 2024 | +| **Google** |[Calculate Min Satellites Required](https://www.fastprep.io/problems/google-calculate-minimum-satellites-required)|[![Practice][p]](https://www.fastprep.io/problems/google-calculate-minimum-satellites-required)| Dec 18, 2024 | +| **Amazon** |[Find Length of Longest Self-Sufficient Proper Substring](https://www.fastprep.io/problems/1.amazon-find-length-of-longest-self-sufficient-proper-substring)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-length-of-longest-self-sufficient-proper-substring)| Dec 16, 2024 | +| **Uber** |[Regional Maximum Finder](https://www.fastprep.io/problems/uber-regional-maximum-finder)|[![Practice][p]](https://www.fastprep.io/problems/uber-regional-maximum-finder)| Dec 16, 2024 | +| **Uber** |[Command Frequency Counter](https://www.fastprep.io/problems/uber-command-frequency-counter)|[![Practice][p]](https://www.fastprep.io/problems/uber-command-frequency-counter)| Dec 16, 2024 | +| **Uber** |[Valid String Check](https://www.fastprep.io/problems/uber-valid-string-check)|[![Practice][p]](https://www.fastprep.io/problems/uber-valid-string-check)| Dec 16, 2024 | +| **Microsoft** |[Min Replacements Required to Make a Matrix Balanced](https://www.fastprep.io/problems/microsoft-minimum-replacements-required-to-make-a-matrix-balanced)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-replacements-required-to-make-a-matrix-balanced)| Dec 16, 2024 | +| **Microsoft** |[Max Sum With Same First And Last Digit](https://www.fastprep.io/problems/microsoft-find-max-sum-with-same-first-and-last-digit)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-find-max-sum-with-same-first-and-last-digit)| Dec 16, 2024 | +| **GitHub** |[Bridge Car Weight](https://www.fastprep.io/problems/github-brdige-car-weight)|[![Practice][p]](https://www.fastprep.io/problems/github-brdige-car-weight)| Dec 16, 2024 | +| **Amazon** |[Find the longest possible regular expression](https://www.fastprep.io/problems/1.amazon-find-longest-regex)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-longest-regex)| Dec 12, 2024 | +| **Amazon** |[Get Min Value](https://www.fastprep.io/problems/amazon-get-minimum-value)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-minimum-value)| Dec 11, 2024 | +| **Amazon** |[Get Max Skill Sum](https://www.fastprep.io/problems/amazon-get-max-skill-sum)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-skill-sum)| Dec 11, 2024 | +| **Amazon** |[Count Distinct Categories](https://www.fastprep.io/problems/1.amazon-count-distinct-categories)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-count-distinct-categories)| Dec 11, 2024 | +| **Amazon** |[Find Number](https://www.fastprep.io/problems/amazon-find-number)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-number)| Dec 10, 2024 | +| **Amazon** |[Get Min Removal](https://www.fastprep.io/problems/amazon-get-min-removal)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-removal)| Dec 10, 2024 | +| **JP Morgan** |[Find Total Cost](https://www.fastprep.io/problems/jpmorgan-find-total-cost)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-find-total-cost)| Dec 10, 2024 | +| **Microsoft** |[Max Num Of Prduced Car](https://www.fastprep.io/problems/microsoft-max-num-of-produced-cars)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-max-num-of-produced-cars)| Dec 10, 2024 | +| **Amazon** |[Find Lexicographically Smallest String](https://www.fastprep.io/problems/amazon-find-lexicographically-smallest-string)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-lexicographically-smallest-string)| Dec 08, 2024 | +| **Amazon** |[Find Password Strength](https://www.fastprep.io/problems/amazon-find-password-strength)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-password-strength)| Dec 08, 2024 | +| **Amazon** |[Get Max Sum Arr](https://www.fastprep.io/problems/1.amazon-get-max-sum-arr)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-max-sum-arr)| Dec 08, 2024 | +| **Amazon** |[Perform Queries](https://www.fastprep.io/problems/amazon-perform-queries)|[![Practice][p]](https://www.fastprep.io/problems/amazon-perform-queries)| Dec 08, 2024 | +| **Quora** |[Count Powers Of K](https://www.fastprep.io/problems/quora-count-powers-of-k)|[![Practice][p]](https://www.fastprep.io/problems/quora-count-powers-of-k)| Dec 06, 2024 | +| **Quora** |[Determine the Elimination Order](https://www.fastprep.io/problems/quora-determine-the-elimination-order)|[![Practice][p]](https://www.fastprep.io/problems/quora-determine-the-elimination-order)| Dec 06, 2024 | +| **Wells Fargo** |[Get Min Length](https://www.fastprep.io/problems/wellsfargo-get-min-length)|[![Practice][p]](https://www.fastprep.io/problems/wellsfargo-get-min-length)| Dec 06, 2024 | +| **Amazon** |[Data Dependence Sum](https://www.fastprep.io/problems/amazon-get-data-dependence-sum)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-data-dependence-sum)| Dec 03, 2024 | +| **Amazon** |[Longest Matching Regex](https://www.fastprep.io/problems/1.amazon-get-longest-match)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-longest-match)| Dec 03, 2024 | +| **Amazon** |[Min Connection Cost](https://www.fastprep.io/problems/1.amazon-get-min-connection-cost)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-min-connection-cost)| Dec 03, 2024 | +| **Amazon** |[Min Operations](https://www.fastprep.io/problems/amazon-get-min-operations2)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-operations2)| Dec 03, 2024 | +| **Amazon** |[Min Cost](https://www.fastprep.io/problems/1.amazon-min-cost)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-min-cost)| Dec 03, 2024 | +| **TikTok** |[Interesting Watch Sequence](https://www.fastprep.io/problems/tiktok-interesting-watch-sequence)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-interesting-watch-sequence)| Dec 03, 2024 | +| **IBM** |[Get Final String](https://www.fastprep.io/problems/ibm-get-final-string)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-final-string)| Dec 03, 2024 | +| **Amazon** |[Sum of All Days Numbers on Which the Data of the Xth Will Be Dependent](https://www.fastprep.io/problems/amazon-sum-of-all-days-numbers-on-which-the-data-of-the-xth-will-be-dependent)|[![Practice][p]](https://www.fastprep.io/problems/amazon-sum-of-all-days-numbers-on-which-the-data-of-the-xth-will-be-dependent)| Nov 27, 2024 | +| **Amazon** |[Optimize Identifiers](https://www.fastprep.io/problems/amazon-optimize-identifiers)|[![Practice][p]](https://www.fastprep.io/problems/amazon-optimize-identifiers)| Nov 25, 2024 | +| **Stripe** |[Card Range Obfuscation Part 4](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part4)|[![Practice][p]](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part4)| Nov 25, 2024 | +| **Stripe** |[Card Range Obfuscation Part 3](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part3)|[![Practice][p]](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part3)| Nov 25, 2024 | +| **Stripe** |[Card Range Obfuscation Part 2](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part2)|[![Practice][p]](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part2)| Nov 25, 2024 | +| **Stripe** |[Card Range Obfuscation Part 1](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part1)|[![Practice][p]](https://www.fastprep.io/problems/stripe-card-range-obfuscation-part1)| Nov 25, 2024 | +| **Amazon** |[Min Insertions](https://www.fastprep.io/problems/amazon-minimum-insertions)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-insertions)| Nov 24, 2024 | +| **Amazon** |[Find Encrypted Number](https://www.fastprep.io/problems/1.amazon-find-encrypted-number)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-encrypted-number)| Nov 24, 2024 | +| **Amazon** |[Find Obfuscate Message](https://www.fastprep.io/problems/1.amazon-find-obfuscate-message)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-obfuscate-message)| Nov 24, 2024 | +| **TikTok** |[Create Maximum Collaborations](https://www.fastprep.io/problems/tiktok-create-maximum-collaborations)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-create-maximum-collaborations)| Nov 24, 2024 | +| **TikTok** |[Maximize Processing Power](https://www.fastprep.io/problems/tiktok-maximize-processing-power)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-maximize-processing-power)| Nov 24, 2024 | +| **IBM** |[Get Query Answers](https://www.fastprep.io/problems/ibm-get-query-answers)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-query-answers)| Nov 24, 2024 | +| **IBM** |[Card Packs](https://www.fastprep.io/problems/ibm-card-packets)|[![Practice][p]](https://www.fastprep.io/problems/ibm-card-packets)| Nov 24, 2024 | +| **Amazon** |[Min Chars to Append](https://www.fastprep.io/problems/amazon-determine-minimum-characters-to-append)|[![Practice][p]](https://www.fastprep.io/problems/amazon-determine-minimum-characters-to-append)| Nov 23, 2024 | +| **Cisco** |[Find Max Difference](https://www.fastprep.io/problems/cisco-find-maximum-difference)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-maximum-difference)| Nov 21, 2024 | +| **Amazon** |[Reduce Memory Usage](https://www.fastprep.io/problems/amazon-reduce-memory-usage)|[![Practice][p]](https://www.fastprep.io/problems/amazon-reduce-memory-usage)| Nov 20, 2024 | +| **Salesforce** |[Minimize Total Input Cost](https://www.fastprep.io/problems/salesforce-minimize-total-input-cost)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-minimize-total-input-cost)| Nov 20, 2024 | +| **Google** |[Get Meeting Intervals](https://www.fastprep.io/problems/google-get-meeting-intervals)|[![Practice][p]](https://www.fastprep.io/problems/google-get-meeting-intervals)| Nov 20, 2024 | +| **Amazon** |[Get Min Change](https://www.fastprep.io/problems/amazon-get-minimum-changes)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-minimum-changes)| Nov 18, 2024 | +| **Amazon** |[Calculate Truck Distance](https://www.fastprep.io/problems/amazon-calculate-truck-distance)|[![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-truck-distance)| Nov 18, 2024 | +| **Amazon** |[Find Smallest Appealing](https://www.fastprep.io/problems/2.amazon-find-smallest-appealing)|[![Practice][p]](https://www.fastprep.io/problems/2.amazon-find-smallest-appealing)| Nov 18, 2024 | +| **Rubrik** |[Get Min Operations](https://www.fastprep.io/problems/rubrik-get-min-operations)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-get-min-operations)| Nov 18, 2024 | +| **Rubrik** |[Get Triplet Count](https://www.fastprep.io/problems/rubrik-get-triplet-count)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-get-triplet-count)| Nov 18, 2024 | +| **Rubrik** |[Find Pod Count](https://www.fastprep.io/problems/rubrik-find-pod-count)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-find-pod-count)| Nov 18, 2024 | +| **Amazon** |[Find Ideal Days](https://www.fastprep.io/problems/amazon-find-ideal-days)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-ideal-days)| Nov 17, 2024 | +| **Amazon** |[Sum of Distinct Categories](https://www.fastprep.io/problems/1.amazon-sum-of-distinct-categories)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-sum-of-distinct-categories)| Nov 17, 2024 | +| **TikTok** |[Calculate Max Processing Throughput](https://www.fastprep.io/problems/tiktok-calculate-max-processing-throughput)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-calculate-max-processing-throughput)| Nov 17, 2024 | +| **TikTok** |[Get Total Impact](https://www.fastprep.io/problems/tiktok-get-total-impact)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-get-total-impact)| Nov 17, 2024 | +| **TikTok** |[Max Profits](https://www.fastprep.io/problems/tiktok-max-profit)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-max-profit)| Nov 17, 2024 | +| **Paypal** |[Find Min Price](https://www.fastprep.io/problems/paypal-find-minimum-price)|[![Practice][p]](https://www.fastprep.io/problems/paypal-find-minimum-price)| Nov 17, 2024 | +| **Amazon** |[Get Min Moves](https://www.fastprep.io/problems/amazon-get-min-moves)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-moves)| Nov 14, 2024 | +| **Amazon** |[Minimize Effort](https://www.fastprep.io/problems/amazon-minimize-effort)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimize-effort)| Nov 14, 2024 | +| **Amazon** |[Get Max Discount Pairs](https://www.fastprep.io/problems/amazon-get-max-discount-pairs)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-discount-pairs)| Nov 13, 2024 | +| **Google** |[Get Components in Forest](https://www.fastprep.io/problems/google-get-components-in-forest)|[![Practice][p]](https://www.fastprep.io/problems/google-get-components-in-forest)| Nov 13, 2024 | +| **Google** |[Find Max Frequency](https://www.fastprep.io/problems/google-find-maximum-frequency-of-number)|[![Practice][p]](https://www.fastprep.io/problems/google-find-maximum-frequency-of-number)| Nov 13, 2024 | +| **Microsoft** |[Reverse An Integer](https://www.fastprep.io/problems/microsoft-reverse-an-integer)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-reverse-an-integer)| Nov 13, 2024 | +| **Amazon** |[Rooks Left](https://www.fastprep.io/problems/amazon-rooks-left)|[![Practice][p]](https://www.fastprep.io/problems/amazon-rooks-left)| Nov 12, 2024 | +| **Google** |[Longest Non-Decreasing Subarray](https://www.fastprep.io/problems/google-find-maximum-length-of-non-decreasing-subarray-follow-up)|[![Practice][p]](https://www.fastprep.io/problems/google-find-maximum-length-of-non-decreasing-subarray-follow-up)| Nov 12, 2024 | +| **Google** |[Find Maximum Length Of Non-Decreasing Subarray](https://www.fastprep.io/problems/google-find-maximum-length-of-non-decreasing-subarray)|[![Practice][p]](https://www.fastprep.io/problems/google-find-maximum-length-of-non-decreasing-subarray)| Nov 12, 2024 | +| **Amazon** |[Optimize Identifiers](https://www.fastprep.io/problems/amazon-optimized-identifiers)|[![Practice][p]](https://www.fastprep.io/problems/amazon-optimized-identifiers)| Nov 09, 2024 | +| **Google** |[Transform String](https://www.fastprep.io/problems/google-transform-string)|[![Practice][p]](https://www.fastprep.io/problems/google-transform-string)| Nov 09, 2024 | +| **Google** |[Build Maximum Integer](https://www.fastprep.io/problems/google-build-maximum-integer-from-subarray)|[![Practice][p]](https://www.fastprep.io/problems/google-build-maximum-integer-from-subarray)| Nov 09, 2024 | +| **Amazon** |[Is Special Sequence](https://www.fastprep.io/problems/1.amazon-is-special-sequence)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-is-special-sequence)| Nov 05, 2024 | +| **Google** |[Maximize Points](https://www.fastprep.io/problems/google-maximize-points)|[![Practice][p]](https://www.fastprep.io/problems/google-maximize-points)| Nov 05, 2024 | +| **Google** |[Find Contiguous Subarray With Largest Min Plux Max](https://www.fastprep.io/problems/google-find-contiguous-subarray-with-largest-min-plus-max)|[![Practice][p]](https://www.fastprep.io/problems/google-find-contiguous-subarray-with-largest-min-plus-max)| Nov 05, 2024 | +| **Amazon** |[Find Min Variance](https://www.fastprep.io/problems/amazon-find-minimum-possible-variance)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-possible-variance)| Oct 30, 2024 | +| **Amazon** |[Find Min Time Required](https://www.fastprep.io/problems/amazon-find-minimum-time-required)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-time-required)| Oct 30, 2024 | +| **Amazon** |[Cleanup Dataset](https://www.fastprep.io/problems/amazon-cleanup-dataset)|[![Practice][p]](https://www.fastprep.io/problems/amazon-cleanup-dataset)| Oct 30, 2024 | +| **Salesforce** |[Max Sum of Processed Time](https://www.fastprep.io/problems/salesforce-maximize-sum-of-processed-times)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-maximize-sum-of-processed-times)| Oct 30, 2024 | +| **Google** |[Num of Ways to Split Array](https://www.fastprep.io/problems/google-find-number-of-ways-to-split-array)|[![Practice][p]](https://www.fastprep.io/problems/google-find-number-of-ways-to-split-array)| Oct 30, 2024 | +| **DoorDash** |[Team Formation](https://www.fastprep.io/problems/doordash-team-formation)|[![Practice][p]](https://www.fastprep.io/problems/doordash-team-formation)| Oct 30, 2024 | +| **DoorDash** |[Get Final Price](https://www.fastprep.io/problems/doordash-get-final-price)|[![Practice][p]](https://www.fastprep.io/problems/doordash-get-final-price)| Oct 30, 2024 | +| **IBM** |[Count Teams](https://www.fastprep.io/problems/ibm-count-teams)|[![Practice][p]](https://www.fastprep.io/problems/ibm-count-teams)| Oct 30, 2024 | +| **Amazon** |[Calculate Warehouse Efficiency](https://www.fastprep.io/problems/amazon-calculate-warehouse-efficiency)|[![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-warehouse-efficiency)| Oct 28, 2024 | +| **Amazon** |[Make All Elements Distinct](https://www.fastprep.io/problems/amazon-make-all-elements-distinct)|[![Practice][p]](https://www.fastprep.io/problems/amazon-make-all-elements-distinct)| Oct 28, 2024 | +| **Amazon** |[Maximize Similarity](https://www.fastprep.io/problems/amazon-maximize-similarity)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-similarity)| Oct 28, 2024 | +| **Amazon** |[Find Networking Calls](https://www.fastprep.io/problems/amazon-find-network-calls)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-network-calls)| Oct 28, 2024 | +| **Amazon** |[Get Smaller Items](https://www.fastprep.io/problems/amazon-get-smaller-items)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-smaller-items)| Oct 22, 2024 | +| **Amazon** |[About Mortgage](https://www.fastprep.io/problems/amazon-maximum-number-of-days-to-survive)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-number-of-days-to-survive)| Oct 22, 2024 | +| **Amazon** |[Get Min Cost of Purchasing Books](https://www.fastprep.io/problems/amazon-get-min-cost-book)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-cost-book)| Oct 22, 2024 | +| **Amazon** |[Schedule Tasks](https://www.fastprep.io/problems/amazon-schedule-tasks)|[![Practice][p]](https://www.fastprep.io/problems/amazon-schedule-tasks)| Oct 22, 2024 | +| **Walmart** |[Candy Bars](https://www.fastprep.io/problems/walmart-minimum-moves-to-equal-candy-bars)|[![Practice][p]](https://www.fastprep.io/problems/walmart-minimum-moves-to-equal-candy-bars)| Oct 22, 2024 | +| **Cisco** |[Water Jug](https://www.fastprep.io/problems/cisco-water-jug-problem)|[![Practice][p]](https://www.fastprep.io/problems/cisco-water-jug-problem)| Oct 22, 2024 | +| **Paypal** |[Find Min Price to Spend](https://www.fastprep.io/problems/paypal-find-minimum-price-to-spend)|[![Practice][p]](https://www.fastprep.io/problems/paypal-find-minimum-price-to-spend)| Oct 22, 2024 | +| **TikTok** |[Count Balanced Clilps](https://www.fastprep.io/problems/tiktok-count-balanced-clips)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-count-balanced-clips)| Oct 21, 2024 | +| **Patreon** |[Sum of Subarray Regions](https://www.fastprep.io/problems/patreon-sum-of-subarray-regions)|[![Practice][p]](https://www.fastprep.io/problems/patreon-sum-of-subarray-regions)| Oct 21, 2024 | +| **Amazon** |[Planning the Campaign](https://www.fastprep.io/problems/amazon-minimum-weekly-input)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-weekly-input)| Oct 20, 2024 | +| **TikTok** |[Server Network Optimizations](https://www.fastprep.io/problems/tiktok-server-network-optimization)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-server-network-optimization)| Oct 20, 2024 | +| **Amazon** |[Get Max Programs](https://www.fastprep.io/problems/amazon-get-max-programs)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-programs)| Oct 19, 2024 | +| **Amazon** |[Find Minimum Time](https://www.fastprep.io/problems/amazon-find-minimum-time)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-time)| Oct 19, 2024 | +| **Amazon** |[Get Max Charge](https://www.fastprep.io/problems/amazon-get-max-charge)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-charge)| Oct 11, 2024 | +| **Amazon** |[Min Time to Create Beautiful Canvas](https://www.fastprep.io/problems/amazon-find-minimum-time-to-create-beautiful-canvas)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-time-to-create-beautiful-canvas)| Oct 11, 2024 | +| **Amazon** |[Rearrange Binary String](https://www.fastprep.io/problems/amazon-rearrange-binary-string)|[![Practice][p]](https://www.fastprep.io/problems/amazon-rearrange-binary-string)| Oct 11, 2024 | +| **Amazon** |[Sort Permutation](https://www.fastprep.io/problems/amazon-can-sort-permutation-in-given-moves)|[![Practice][p]](https://www.fastprep.io/problems/amazon-can-sort-permutation-in-given-moves)| Oct 11, 2024 | +| **Wells Fargo** |[Allocate Wells](https://www.fastprep.io/problems/wellsfargo-fair-distribution)|[![Practice][p]](https://www.fastprep.io/problems/wellsfargo-fair-distribution)| Oct 09, 2024 | +| **Wells Fargo** |[Find Affected Systems](https://www.fastprep.io/problems/wellsfargo-shot-on-mi-a3-ai-triple-camera)|[![Practice][p]](https://www.fastprep.io/problems/wellsfargo-shot-on-mi-a3-ai-triple-camera)| Oct 09, 2024 | +| **Wells Fargo** |[Max Distance](https://www.fastprep.io/problems/wellsfargo-find-maximum-distance)|[![Practice][p]](https://www.fastprep.io/problems/wellsfargo-find-maximum-distance)| Oct 09, 2024 | +| **Wells Fargo** |[Count Operations](https://www.fastprep.io/problems/wellsfargo-count-operations)|[![Practice][p]](https://www.fastprep.io/problems/wellsfargo-count-operations)| Oct 09, 2024 | +| **Wells Fargo** |[Get Substring](https://www.fastprep.io/problems/wellsfargo-get-substring)|[![Practice][p]](https://www.fastprep.io/problems/wellsfargo-get-substring)| Oct 09, 2024 | +| **Wells Fargo** |[Sum of Compressed Num for All Subarrays](https://www.fastprep.io/problems/wellsfargo-sum-of-compressed-number-for-all-subarrays)|[![Practice][p]](https://www.fastprep.io/problems/wellsfargo-sum-of-compressed-number-for-all-subarrays)| Oct 09, 2024 | +| **Amazon** |[Get Longest Substrings](https://www.fastprep.io/problems/1.amazon-get-longest-substring)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-longest-substring)| Oct 08, 2024 | +| **Amazon** |[Get Max Alternating Music](https://www.fastprep.io/problems/amazon-get-max-alternating-music)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-alternating-music)| Oct 08, 2024 | +| **Amazon** |[Task Scheduler](https://www.fastprep.io/problems/amazon-task-scheduler)|[![Practice][p]](https://www.fastprep.io/problems/amazon-task-scheduler)| Oct 08, 2024 | +| **Amazon** |[Get Min Score](https://www.fastprep.io/problems/1.amazon-get-min-score)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-min-score)| Oct 08, 2024 | +| **TikTok** |[Max Engagement](https://www.fastprep.io/problems/tiktok-maximize-engagement)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-maximize-engagement)| Oct 08, 2024 | +| **TikTok** |[Find Max Squad Size](https://www.fastprep.io/problems/tiktok-find-max-squad-size)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-find-max-squad-size)| Oct 08, 2024 | +| **Expedia** |[Rank Secondary Popularity](https://www.fastprep.io/problems/expedia-rank-songs-by-popularity)|[![Practice][p]](https://www.fastprep.io/problems/expedia-rank-songs-by-popularity)| Oct 08, 2024 | +| **Expedia** |[Get Min Steps](https://www.fastprep.io/problems/expedia-get-min-steps)|[![Practice][p]](https://www.fastprep.io/problems/expedia-get-min-steps)| Oct 08, 2024 | +| **Oracle** |[Min Diff](https://www.fastprep.io/problems/oracle-find-circle-num)|[![Practice][p]](https://www.fastprep.io/problems/oracle-find-circle-num)| Oct 07, 2024 | +| **Amazon** |[Special String](https://www.fastprep.io/problems/amazon-get-special-string)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-special-string)| Oct 05, 2024 | +| **Cisco** |[Identify the Non Twin Person](https://www.fastprep.io/problems/cisco-identify-the-non-twin-person)|[![Practice][p]](https://www.fastprep.io/problems/cisco-identify-the-non-twin-person)| Oct 04, 2024 | +| **Cisco** |[Rotate the Matrix](https://www.fastprep.io/problems/cisco-rotate-matrix)|[![Practice][p]](https://www.fastprep.io/problems/cisco-rotate-matrix)| Oct 04, 2024 | +| **Expedia** |[Get Max Efficiency](https://www.fastprep.io/problems/expedia-get-max-efficiency)|[![Practice][p]](https://www.fastprep.io/problems/expedia-get-max-efficiency)| Oct 04, 2024 | +| **Expedia** |[Calculate the Sum](https://www.fastprep.io/problems/expedia-calculate-the-sum)|[![Practice][p]](https://www.fastprep.io/problems/expedia-calculate-the-sum)| Oct 04, 2024 | +| **Rubrik** |[Enhance Luminescence](https://www.fastprep.io/problems/rubrik-enhance-luminescence)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-enhance-luminescence)| Sep 29, 2024 | +| **Rubrik** |[Maximize Stellar Gradient](https://www.fastprep.io/problems/rubrik-maximize-stellar-gradient)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-maximize-stellar-gradient)| Sep 29, 2024 | +| **Rubrik** |[Salvage Humankind](https://www.fastprep.io/problems/rubrik-salvage-humankind)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-salvage-humankind)| Sep 29, 2024 | +| **Rubrik** |[Mike and Gems](https://www.fastprep.io/problems/rubrik-mike-and-gems)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-mike-and-gems)| Sep 29, 2024 | +| **ZipRecruiter** |[Fishing](https://www.fastprep.io/problems/ziprecruiter-caught-fish)|[![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-caught-fish)| Sep 29, 2024 | +| **Deutsche Bank** |[Generate Lexicographically Smallest String](https://www.fastprep.io/problems/deutsche-bank-generate-lexicographically-smallest-string)|[![Practice][p]](https://www.fastprep.io/problems/deutsche-bank-generate-lexicographically-smallest-string)| Sep 29, 2024 | +| **Squarepoint** |[Empty Shelf](https://www.fastprep.io/problems/squarepoint-empty-shelf)|[![Practice][p]](https://www.fastprep.io/problems/squarepoint-empty-shelf)| Sep 29, 2024 | +| **Squarepoint** |[Suggested Products](https://www.fastprep.io/problems/squarepoint-suggested-products)|[![Practice][p]](https://www.fastprep.io/problems/squarepoint-suggested-products)| Sep 29, 2024 | +| **OpenAI** |[Maixmize the Hits](https://www.fastprep.io/problems/openai-maximize-the-hits)|[![Practice][p]](https://www.fastprep.io/problems/openai-maximize-the-hits)| Sep 28, 2024 | +| **Amazon** |[Find Days S2 Subsequence of S1](https://www.fastprep.io/problems/amazon-find-days-s2-subsequence-of-s1)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-days-s2-subsequence-of-s1)| Sep 28, 2024 | +| **Meta** |[ Min Obstacles to Allow Figure Fall ](https://www.fastprep.io/problems/mt-minimum-obstacles-to-remove-to-allow-figure-fall)|[![Practice][p]](https://www.fastprep.io/problems/mt-minimum-obstacles-to-remove-to-allow-figure-fall)| Sep 28, 2024 | +| **Meta** |[ Find How Many Subarrays Match the Pattern ](https://www.fastprep.io/problems/mt-find-how-many-subarrays-match-the-pattern)|[![Practice][p]](https://www.fastprep.io/problems/mt-find-how-many-subarrays-match-the-pattern)| Sep 28, 2024 | +| **Meta** |[ Count Three Sisters ](https://www.fastprep.io/problems/mt-count-three-sisters)|[![Practice][p]](https://www.fastprep.io/problems/mt-count-three-sisters)| Sep 28, 2024 | +| **Hudson River Trading** |[Future Stock Price](https://www.fastprep.io/problems/hudsonriver-maximum-amount-profit)|[![Practice][p]](https://www.fastprep.io/problems/hudsonriver-maximum-amount-profit)| Sep 28, 2024 | +| **IBM** |[Count Similar Pairs](https://www.fastprep.io/problems/ibm-count-similar-pairs)|[![Practice][p]](https://www.fastprep.io/problems/ibm-count-similar-pairs)| Sep 28, 2024 | +| **IBM** |[Max Subject Number](https://www.fastprep.io/problems/ibm-max-subjects-number)|[![Practice][p]](https://www.fastprep.io/problems/ibm-max-subjects-number)| Sep 28, 2024 | +| **IBM** |[Maximum Efficiency](https://www.fastprep.io/problems/ibm-maximum-efficiency)|[![Practice][p]](https://www.fastprep.io/problems/ibm-maximum-efficiency)| Sep 28, 2024 | +| **Cisco** |[Pilot Drops Food Packet](https://www.fastprep.io/problems/cisco-find-maximum-number-of-drop-points-covered)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-maximum-number-of-drop-points-covered)| Sep 28, 2024 | +| **Wayfair** |[Num of Divisible Substrings](https://www.fastprep.io/problems/wayfair-number-of-divisible-substrings)|[![Practice][p]](https://www.fastprep.io/problems/wayfair-number-of-divisible-substrings)| Sep 28, 2024 | +| **Wayfair** |[DFS Substring of A String](https://www.fastprep.io/problems/wayfair-dfs-subsequences-of-a-string)|[![Practice][p]](https://www.fastprep.io/problems/wayfair-dfs-subsequences-of-a-string)| Sep 28, 2024 | +| **Amazon** |[Find Subarray with Minimum Distinct Integers](https://www.fastprep.io/problems/amazon-find-subarray-with-minimum-distinct-integers)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-subarray-with-minimum-distinct-integers)| Sep 27, 2024 | +| **IBM** |[Min Operations to Make All Elements Equal](https://www.fastprep.io/problems/ibm-minimum-operations-to-make-all-elements-equal)|[![Practice][p]](https://www.fastprep.io/problems/ibm-minimum-operations-to-make-all-elements-equal)| Sep 27, 2024 | +| **IBM** |[Get Minimum Operation Count](https://www.fastprep.io/problems/ibm-get-minimum-operation-count)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-minimum-operation-count)| Sep 27, 2024 | +| **Toshiba** |[Minimize Multiples of Three](https://www.fastprep.io/problems/toshiba-minimize-multiples-of-three)|[![Practice][p]](https://www.fastprep.io/problems/toshiba-minimize-multiples-of-three)| Sep 27, 2024 | +| **Amazon** |[Maximum Quality Sum](https://www.fastprep.io/problems/amazon-maximum-quality-sum)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-quality-sum)| Sep 26, 2024 | +| **Amazon** |[Minimize Warehouse Transfer Cost](https://www.fastprep.io/problems/amazon-minimize-warehouse-transfer-cost)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimize-warehouse-transfer-cost)| Sep 26, 2024 | +| **Amazon** |[Find Sum of Beauties](https://www.fastprep.io/problems/amazon-find-sum-of-beauties)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-sum-of-beauties)| Sep 26, 2024 | +| **Amazon** |[Longest Perfect Anagrams](https://www.fastprep.io/problems/amazon-longest-perfect-anagrams)|[![Practice][p]](https://www.fastprep.io/problems/amazon-longest-perfect-anagrams)| Sep 26, 2024 | +| **Amazon** |[Find Maximum Calories](https://www.fastprep.io/problems/amazon-find-maximum-calories)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-maximum-calories)| Sep 26, 2024 | +| **Salesforce** |[Find Minimum Idleness](https://www.fastprep.io/problems/salesforce-find-minimum-idleness)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-find-minimum-idleness)| Sep 26, 2024 | +| **Salesforce** |[Get Maximum Sum of Strengths](https://www.fastprep.io/problems/salesforce-get-maximum-sum-of-strengths)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-get-maximum-sum-of-strengths)| Sep 26, 2024 | +| **Agoda** |[Maximize Sum of Processed Times](https://www.fastprep.io/problems/agoda-maximize-sum-of-processed-times)|[![Practice][p]](https://www.fastprep.io/problems/agoda-maximize-sum-of-processed-times)| Sep 26, 2024 | +| **BNP** |[Piles of Boxes](https://www.fastprep.io/problems/bnp-piles-of-boxes)|[![Practice][p]](https://www.fastprep.io/problems/bnp-piles-of-boxes)| Sep 26, 2024 | +| **BNP** |[Romanizer](https://www.fastprep.io/problems/bnp-romanizer)|[![Practice][p]](https://www.fastprep.io/problems/bnp-romanizer)| Sep 26, 2024 | +| **Palantir** |[Minimize Path Value](https://www.fastprep.io/problems/palantir-minimize-path-value)|[![Practice][p]](https://www.fastprep.io/problems/palantir-minimize-path-value)| Sep 26, 2024 | +| **Palantir** |[Minimal Operations](https://www.fastprep.io/problems/palantir-minimal-operations)|[![Practice][p]](https://www.fastprep.io/problems/palantir-minimal-operations)| Sep 26, 2024 | +| **JP Morgan** |[Slowest Keys](https://www.fastprep.io/problems/jpmorgan-slowest-key)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-slowest-key)| Sep 25, 2024 | +| **JP Morgan** |[Get Merged Intervals](https://www.fastprep.io/problems/jpmorgan-get-merged-intervals)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-merged-intervals)| Sep 25, 2024 | +| **Akuna** |[Update Release Scheduler](https://www.fastprep.io/problems/akuna-update-release-scheduler)|[![Practice][p]](https://www.fastprep.io/problems/akuna-update-release-scheduler)| Sep 25, 2024 | +| **Akuna** |[Delivery Management System](https://www.fastprep.io/problems/akuna-delivery-management-system)|[![Practice][p]](https://www.fastprep.io/problems/akuna-delivery-management-system)| Sep 25, 2024 | +| **Akuna** |[Array Challenge](https://www.fastprep.io/problems/akuna-array-challenge)|[![Practice][p]](https://www.fastprep.io/problems/akuna-array-challenge)| Sep 25, 2024 | +| **Roblox** |[Valid Pairs](https://www.fastprep.io/problems/roblox-valid-pairs)|[![Practice][p]](https://www.fastprep.io/problems/roblox-valid-pairs)| Sep 25, 2024 | +| **Roblox** |[Schedule Meeting](https://www.fastprep.io/problems/roblox-schedule-meeting)|[![Practice][p]](https://www.fastprep.io/problems/roblox-schedule-meeting)| Sep 25, 2024 | +| **Databricks** |[Write L Matrix](https://www.fastprep.io/problems/databricks-write-l-matrix)|[![Practice][p]](https://www.fastprep.io/problems/databricks-write-l-matrix)| Sep 25, 2024 | +| **Databricks** |[Longest Common Prefix of Number Pairs](https://www.fastprep.io/problems/databricks-longest-common-prefix-of-number-pairs)|[![Practice][p]](https://www.fastprep.io/problems/databricks-longest-common-prefix-of-number-pairs)| Sep 25, 2024 | +| **Databricks** |[Diff Between Sums of Positions](https://www.fastprep.io/problems/databricks-diff-between-sums-of-positions)|[![Practice][p]](https://www.fastprep.io/problems/databricks-diff-between-sums-of-positions)| Sep 25, 2024 | +| **Databricks** |[Subarray Counting](https://www.fastprep.io/problems/databricks-subarray-counting)|[![Practice][p]](https://www.fastprep.io/problems/databricks-subarray-counting)| Sep 25, 2024 | +| **IBM** |[Equalize Team Size](https://www.fastprep.io/problems/ibm-equalize-team-size)|[![Practice][p]](https://www.fastprep.io/problems/ibm-equalize-team-size)| Sep 25, 2024 | +| **IBM** |[Max Index](https://www.fastprep.io/problems/ibm-max-index)|[![Practice][p]](https://www.fastprep.io/problems/ibm-max-index)| Sep 25, 2024 | +| **Arista Networks** |[Generate Matrix B](https://www.fastprep.io/problems/aristanetworks-generate-matrix-b)|[![Practice][p]](https://www.fastprep.io/problems/aristanetworks-generate-matrix-b)| Sep 24, 2024 | +| **Salesforce** |[Closest Subsequence Sum](https://www.fastprep.io/problems/salesforce-closest-subsequence-sum)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-closest-subsequence-sum)| Sep 23, 2024 | +| **Google** |[Min Moves](https://www.fastprep.io/problems/google-focus-on-efficiency)|[![Practice][p]](https://www.fastprep.io/problems/google-focus-on-efficiency)| Sep 23, 2024 | +| **Google** |[Largest Number Possible](https://www.fastprep.io/problems/google-largest-number-possible)|[![Practice][p]](https://www.fastprep.io/problems/google-largest-number-possible)| Sep 23, 2024 | +| **IBM** |[Min Operations Required](https://www.fastprep.io/problems/ibm-minimum-operations-required)|[![Practice][p]](https://www.fastprep.io/problems/ibm-minimum-operations-required)| Sep 23, 2024 | +| **Microsoft** |[XOR Coloring](https://www.fastprep.io/problems/microsoft-xor-coloring)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-xor-coloring)| Sep 23, 2024 | +| **Microsoft** |[Count Good Arrays](https://www.fastprep.io/problems/microsoft-great-subsequences)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-great-subsequences)| Sep 23, 2024 | +| **Microsoft** |[Great Subsequences](https://www.fastprep.io/problems/microsoft-to-good-arrays)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-to-good-arrays)| Sep 23, 2024 | +| **DE Shaw** |[Count Incremovable Subarrays](https://www.fastprep.io/problems/deshaw-count-the-number-of-incremovable-subarrays-ii)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-count-the-number-of-incremovable-subarrays-ii)| Sep 23, 2024 | +| **TikTok** |[TikTok Server Optimization](https://www.fastprep.io/problems/tiktok-optimize-tiktok-routes)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-optimize-tiktok-routes)| Sep 21, 2024 | +| **TikTok** |[Tiktok Viral Challenge](https://www.fastprep.io/problems/tiktok-count-viral-combinations)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-count-viral-combinations)| Sep 21, 2024 | +| **TikTok** |[Optimize TikTok Reels Viewing](https://www.fastprep.io/problems/tiktok-optimize-tiktok-watch-time)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-optimize-tiktok-watch-time)| Sep 21, 2024 | +| **Salesforce** |[Min Difference](https://www.fastprep.io/problems/salesforce-minimum-difference)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-minimum-difference)| Sep 20, 2024 | +| **Salesforce** |[Get Node to Remove](https://www.fastprep.io/problems/salesforce-get-node-to-remove)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-get-node-to-remove)| Sep 20, 2024 | +| **Salesforce** |[Min Dev Time](https://www.fastprep.io/problems/salesforce-get-minimum-development-time)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-get-minimum-development-time)| Sep 20, 2024 | +| **Google** |[Transformation Steps](https://www.fastprep.io/problems/google-array-transformation-steps)|[![Practice][p]](https://www.fastprep.io/problems/google-array-transformation-steps)| Sep 20, 2024 | +| **Google** |[Find Largest Number](https://www.fastprep.io/problems/google-find-largest-number)|[![Practice][p]](https://www.fastprep.io/problems/google-find-largest-number)| Sep 20, 2024 | +| **Hudson River Trading** |[Count Fancy Numbers](https://www.fastprep.io/problems/hudsonriver-count-fancy-numbers)|[![Practice][p]](https://www.fastprep.io/problems/hudsonriver-count-fancy-numbers)| Sep 20, 2024 | +| **TikTok** |[Get Min Total Cost](https://www.fastprep.io/problems/tiktok-get-minimum-total-cost)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-get-minimum-total-cost)| Sep 20, 2024 | +| **IBM** |[Rover Move](https://www.fastprep.io/problems/ibm-rover-move)|[![Practice][p]](https://www.fastprep.io/problems/ibm-rover-move)| Sep 20, 2024 | +| **Goldman Sachs** |[Get Min Moves](https://www.fastprep.io/problems/goldman-get-minimum-moves)|[![Practice][p]](https://www.fastprep.io/problems/goldman-get-minimum-moves)| Sep 20, 2024 | +| **Cisco** |[Find Out Prime or Composite](https://www.fastprep.io/problems/cisco-find-out-prime-or-composite)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-out-prime-or-composite)| Sep 20, 2024 | +| **Cisco** |[Compact List](https://www.fastprep.io/problems/cisco-compact-the-list)|[![Practice][p]](https://www.fastprep.io/problems/cisco-compact-the-list)| Sep 20, 2024 | +| **Cisco** |[Convert Password](https://www.fastprep.io/problems/cisco-convert-password)|[![Practice][p]](https://www.fastprep.io/problems/cisco-convert-password)| Sep 20, 2024 | +| **Codeium** |[Eric's Sequence](https://www.fastprep.io/problems/codeium-erics-sequence)|[![Practice][p]](https://www.fastprep.io/problems/codeium-erics-sequence)| Sep 20, 2024 | +| **Amazon** |[Maximum Possible Racers](https://www.fastprep.io/problems/amazon-maximum-possible-racers)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-possible-racers)| Sep 19, 2024 | +| **Amazon** |[Calculate Total Distrance Travelled](https://www.fastprep.io/problems/amazon-calculate-total-distance-travelled)|[![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-total-distance-travelled)| Sep 19, 2024 | +| **Salesforce** |[Find All Pairs of Integers](https://www.fastprep.io/problems/salesforce-find-all-pairs-of-integers)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-find-all-pairs-of-integers)| Sep 19, 2024 | +| **Salesforce** |[Longest Substring](https://www.fastprep.io/problems/salesforce-minimize-length-of-longest-substring)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-minimize-length-of-longest-substring)| Sep 19, 2024 | +| **Salesforce** |[Get Min Time](https://www.fastprep.io/problems/salesforce-get-minimum-time)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-get-minimum-time)| Sep 19, 2024 | +| **Salesforce** |[Schedule Batch Difference](https://www.fastprep.io/problems/salesforce-schedule-batch-difference)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-schedule-batch-difference)| Sep 19, 2024 | +| **Akuna** |[Get Probability](https://www.fastprep.io/problems/akuna-get-probability)|[![Practice][p]](https://www.fastprep.io/problems/akuna-get-probability)| Sep 19, 2024 | +| **Stripe** |[For All Intents And Purposes Part 1 - Initilizing the System](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes)|[![Practice][p]](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes)| Sep 19, 2024 | +| **Stripe** |[For All Intents And Purposes Part 2 - Change Is Good!](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes-part2)|[![Practice][p]](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes-part2)| Sep 19, 2024 | +| **Stripe** |[For All Intents And Purposes Part 3 - Accepting Failure](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes-part3)|[![Practice][p]](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes-part3)| Sep 19, 2024 | +| **Stripe** |[For All Intents And Purposes Part 3 - Timing Matters](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes-part4)|[![Practice][p]](https://www.fastprep.io/problems/stripe-for-all-intents-and-purposes-part4)| Sep 19, 2024 | +| **TikTok** |[Viral Content Balancer](https://www.fastprep.io/problems/tiktok-viral-content-balancer)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-viral-content-balancer)| Sep 19, 2024 | +| **TikTok** |[Distribute Credits](https://www.fastprep.io/problems/tiktok-can-distribute-credits)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-can-distribute-credits)| Sep 19, 2024 | +| **LinkedIn** |[First Occurence](https://www.fastprep.io/problems/linkedin-first-occurrence)|[![Practice][p]](https://www.fastprep.io/problems/linkedin-first-occurrence)| Sep 19, 2024 | +| **IBM** |[Process Logs](https://www.fastprep.io/problems/ibm-process-logs)|[![Practice][p]](https://www.fastprep.io/problems/ibm-process-logs)| Sep 19, 2024 | +| **IBM** |[Is Convertible Data](https://www.fastprep.io/problems/ibm-is-convertible-data)|[![Practice][p]](https://www.fastprep.io/problems/ibm-is-convertible-data)| Sep 19, 2024 | +| **Rubrik** |[Key Sum Management](https://www.fastprep.io/problems/rubrik-key-sum-management)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-key-sum-management)| Sep 19, 2024 | +| **Rubrik** |[Unaligned Dedupe](https://www.fastprep.io/problems/rubrik-unaligned-dedupe)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-unaligned-dedupe)| Sep 19, 2024 | +| **Rubrik** |[Bitonic Partitioning](https://www.fastprep.io/problems/rubrik-bitonic-partitioning)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-bitonic-partitioning)| Sep 19, 2024 | +| **Rubrik** |[Chain Merge](https://www.fastprep.io/problems/rubrik-chain-merge)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-chain-merge)| Sep 19, 2024 | +| **Rubrik** |[The Oracle](https://www.fastprep.io/problems/rubrik-the-oracle)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-the-oracle)| Sep 19, 2024 | +| **Rubrik** |[Redistribute Megasseds](https://www.fastprep.io/problems/rubrik-redistribute-megaseeds)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-redistribute-megaseeds)| Sep 19, 2024 | +| **Rubrik** |[Anti Aging Serum](https://www.fastprep.io/problems/rubrik-anti-aging-serum)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-anti-aging-serum)| Sep 19, 2024 | +| **Rubrik** |[Save the Universe](https://www.fastprep.io/problems/rubrik-save-the-universe)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-save-the-universe)| Sep 19, 2024 | +| **Microsoft** |[Check Path Presence](https://www.fastprep.io/problems/microsoft-check-path-presence)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-check-path-presence)| Sep 19, 2024 | +| **Oracle** |[Create Largest Permutation](https://www.fastprep.io/problems/oracle-create-lexicographically-largest-permutation)|[![Practice][p]](https://www.fastprep.io/problems/oracle-create-lexicographically-largest-permutation)| Sep 19, 2024 | +| **ZipRecruiter** |[Lamp and Control Points](https://www.fastprep.io/problems/ziprecruiter-lamp-and-control-points)|[![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-lamp-and-control-points)| Sep 19, 2024 | +| **ZipRecruiter** |[Coder Writing](https://www.fastprep.io/problems/ziprecruiter-coder-writing)|[![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-coder-writing)| Sep 19, 2024 | +| **Cisco** |[Add Numbers](https://www.fastprep.io/problems/cisco-add-numbers)|[![Practice][p]](https://www.fastprep.io/problems/cisco-add-numbers)| Sep 19, 2024 | +| **Cisco** |[Expand Given String](https://www.fastprep.io/problems/cisco-expand-given-string)|[![Practice][p]](https://www.fastprep.io/problems/cisco-expand-given-string)| Sep 19, 2024 | +| **Cisco** |[Create New Version](https://www.fastprep.io/problems/cisco-create-new-version)|[![Practice][p]](https://www.fastprep.io/problems/cisco-create-new-version)| Sep 19, 2024 | +| **BNP** |[Largest Good](https://www.fastprep.io/problems/bnp-largest-good)|[![Practice][p]](https://www.fastprep.io/problems/bnp-largest-good)| Sep 19, 2024 | +| **Accenture** |[Smallest Number Greater Thank K](https://www.fastprep.io/problems/accenture-smallest-number-greater-than-k)|[![Practice][p]](https://www.fastprep.io/problems/accenture-smallest-number-greater-than-k)| Sep 19, 2024 | +| **FactSet** |[Last Stone Weight](https://www.fastprep.io/problems/factset-last-stone-weight)|[![Practice][p]](https://www.fastprep.io/problems/factset-last-stone-weight)| Sep 19, 2024 | +| **FactSet** |[Largest Square of Ones](https://www.fastprep.io/problems/factset-largest-square-of-1s)|[![Practice][p]](https://www.fastprep.io/problems/factset-largest-square-of-1s)| Sep 19, 2024 | +| **FactSet** |[Phone Album](https://www.fastprep.io/problems/factset-photo-album)|[![Practice][p]](https://www.fastprep.io/problems/factset-photo-album)| Sep 19, 2024 | +| **IMC** |[Max Sub Square Matrix Sum Less Than K](https://www.fastprep.io/problems/imc-maximum-sub-square-matrix-sum-less-than-k)|[![Practice][p]](https://www.fastprep.io/problems/imc-maximum-sub-square-matrix-sum-less-than-k)| Sep 19, 2024 | +| **ZoloStays** |[Range Sum](https://www.fastprep.io/problems/zolostays-range-sum)|[![Practice][p]](https://www.fastprep.io/problems/zolostays-range-sum)| Sep 19, 2024 | +| **ZoloStays** |[Trapping Rain Water](https://www.fastprep.io/problems/zolostays-trapping-rain-water)|[![Practice][p]](https://www.fastprep.io/problems/zolostays-trapping-rain-water)| Sep 19, 2024 | +| **Odoo** |[Evaluate a Python Integer Expression](https://www.fastprep.io/problems/odoo-evaluate-python-integer-expression)|[![Practice][p]](https://www.fastprep.io/problems/odoo-evaluate-python-integer-expression)| Sep 17, 2024 | +| **MathWorks** |[Has Vowels](https://www.fastprep.io/problems/mathwork-has-vowels)|[![Practice][p]](https://www.fastprep.io/problems/mathwork-has-vowels)| Sep 17, 2024 | +| **MathWorks** |[Get Min Operations](https://www.fastprep.io/problems/mathworks-get-minimum-operations)|[![Practice][p]](https://www.fastprep.io/problems/mathworks-get-minimum-operations)| Sep 17, 2024 | +| **Odoo** |[Compare Character Arrays with Backspaces](https://www.fastprep.io/problems/odoo-compare-character-arrays-with-backspaces)|[![Practice][p]](https://www.fastprep.io/problems/odoo-compare-character-arrays-with-backspaces)| Sep 17, 2024 | +| **Amazon** |[Get Outlier Value](https://www.fastprep.io/problems/1.amazon-get-outlier-value)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-outlier-value)| Sep 16, 2024 | +| **Blackrock** |[Calculate Distance](https://www.fastprep.io/problems/blackrock-calculate-distance)|[![Practice][p]](https://www.fastprep.io/problems/blackrock-calculate-distance)| Sep 16, 2024 | +| **Blackrock** |[Efficient Matching](https://www.fastprep.io/problems/blackrock-efficient-matching)|[![Practice][p]](https://www.fastprep.io/problems/blackrock-efficient-matching)| Sep 16, 2024 | +| **Bloomberg** |[Consecutive](https://www.fastprep.io/problems/bloomberg-consecutive)|[![Practice][p]](https://www.fastprep.io/problems/bloomberg-consecutive)| Sep 16, 2024 | +| **Bloomberg** |[Count Numbers](https://www.fastprep.io/problems/bloomberg-count-numbers)|[![Practice][p]](https://www.fastprep.io/problems/bloomberg-count-numbers)| Sep 16, 2024 | +| **Bloomberg** |[Find Longest Chain](https://www.fastprep.io/problems/bloomberg-find-longest-chain)|[![Practice][p]](https://www.fastprep.io/problems/bloomberg-find-longest-chain)| Sep 16, 2024 | +| **Bloomberg** |[Shuffle All the Decks](https://www.fastprep.io/problems/bloomberg-shuffle-all-decks)|[![Practice][p]](https://www.fastprep.io/problems/bloomberg-shuffle-all-decks)| Sep 16, 2024 | +| **JP Morgan** |[Get Final String](https://www.fastprep.io/problems/jpmorgan-get-final-string)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-final-string)| Sep 05, 2024 | +| **JP Morgan** |[Min Swaps](https://www.fastprep.io/problems/jpmorgan-minimum-swaps)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-minimum-swaps)| Sep 05, 2024 | +| **JP Morgan** |[Get Max Deletions](https://www.fastprep.io/problems/jpmorgan-get-max-deletions)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-max-deletions)| Sep 05, 2024 | +| **JP Morgan** |[Maximum Amount](https://www.fastprep.io/problems/jpmorgan-maximum-amount)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-maximum-amount)| Sep 05, 2024 | +| **JP Morgan** |[Count Numbers](https://www.fastprep.io/problems/jpmorgan-count-numbers)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-count-numbers)| Sep 05, 2024 | +| **Google** |[Optimize Log Files](https://www.fastprep.io/problems/google-optimize-log-files)|[![Practice][p]](https://www.fastprep.io/problems/google-optimize-log-files)| Sep 05, 2024 | +| **IBM** |[Maximize Resource Allocation](https://www.fastprep.io/problems/ibm-maximize-resource-allocation)|[![Practice][p]](https://www.fastprep.io/problems/ibm-maximize-resource-allocation)| Sep 05, 2024 | +| **IBM** |[Find Max Even Sum](https://www.fastprep.io/problems/ibm-find-maximum-even-sum)|[![Practice][p]](https://www.fastprep.io/problems/ibm-find-maximum-even-sum)| Sep 05, 2024 | +| **JP Morgan** |[Print Without Repeating](https://www.fastprep.io/problems/jpmorgan-print-number-of-elements-without-repeating-digits)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-print-number-of-elements-without-repeating-digits)| Sep 04, 2024 | +| **JP Morgan** |[Get Unique Character](https://www.fastprep.io/problems/jpmorgan-get-unique-character)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-unique-character)| Sep 04, 2024 | +| **JP Morgan** |[Get Min Machines](https://www.fastprep.io/problems/jpmorgan-get-min-machines)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-min-machines)| Sep 04, 2024 | +| **JP Morgan** |[Get Min Cost](https://www.fastprep.io/problems/jpmorgan-min-cost)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-min-cost)| Sep 04, 2024 | +| **Uber** |[Count Segments After House Removals](https://www.fastprep.io/problems/uber-counting-segments-after-house-removals)|[![Practice][p]](https://www.fastprep.io/problems/uber-counting-segments-after-house-removals)| Sep 04, 2024 | +| **Cisco** |[Find Largest Sum of Continuous Sequence](https://www.fastprep.io/problems/cisco-find-largest-sum-of-continuous-sequence)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-largest-sum-of-continuous-sequence)| Sep 04, 2024 | +| **Cisco** |[Find Elements Largest in Row Smallest in Column](https://www.fastprep.io/problems/cisco-find-elements-largest-row-smallest-column)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-elements-largest-row-smallest-column)| Sep 04, 2024 | +| **Cisco** |[Find Palinedrome Sub String](https://www.fastprep.io/problems/cisco-find-sub-string)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-sub-string)| Sep 04, 2024 | +| **Cisco** |[Find Machine Count](https://www.fastprep.io/problems/cisco-get-minimum-cost)|[![Practice][p]](https://www.fastprep.io/problems/cisco-get-minimum-cost)| Sep 04, 2024 | +| **Amazon** |[Distributed Packages](https://www.fastprep.io/problems/amazon-distribute-packages)|[![Practice][p]](https://www.fastprep.io/problems/amazon-distribute-packages)| Sep 03, 2024 | +| **Amazon** |[Get Max Information Gain](https://www.fastprep.io/problems/amazon-get-max-information-gain)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-information-gain)| Sep 03, 2024 | +| **Amazon** |[Find Capable Winners](https://www.fastprep.io/problems/amazon-find-capable-winners)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-capable-winners)| Sep 03, 2024 | +| **Amazon** |[Find Maximum Zeros](https://www.fastprep.io/problems/1.amazon-find-maximum-zeroes)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-maximum-zeroes)| Sep 03, 2024 | +| **TikTok** |[Sort Social Media Feeds](https://www.fastprep.io/problems/tiktok-sort-social-media-feed)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-sort-social-media-feed)| Sep 03, 2024 | +| **Microsoft** |[Maximum Number of Moves with Same Result](https://www.fastprep.io/problems/microsoft-max-num-of-moves)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-max-num-of-moves)| Sep 03, 2024 | +| **Cisco** |[Find Min Cost To Shift Machines](https://www.fastprep.io/problems/cisco-find-minimum-cost-to-shift-machines)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-minimum-cost-to-shift-machines)| Sep 03, 2024 | +| **Cisco** |[Get Min Servers](https://www.fastprep.io/problems/cisco-get-min-servers)|[![Practice][p]](https://www.fastprep.io/problems/cisco-get-min-servers)| Sep 03, 2024 | +| **Deutsche Bank** |[Give Min Sum](https://www.fastprep.io/problems/deutsche-bank-give-minimum-sum)|[![Practice][p]](https://www.fastprep.io/problems/deutsche-bank-give-minimum-sum)| Sep 03, 2024 | +| **Amazon** |[Get Min Size](https://www.fastprep.io/problems/amazon-get-min-size)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-size)| Aug 30, 2024 | +| **Salesforce** |[Get Perfect Pairs Count](https://www.fastprep.io/problems/salesforce-get-perfect-pairs-count)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-get-perfect-pairs-count)| Aug 30, 2024 | +| **Salesforce** |[Minimal Operations](https://www.fastprep.io/problems/salesforce-minimal-operations)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-minimal-operations)| Aug 30, 2024 | +| **JP Morgan** |[Get Largest Number](https://www.fastprep.io/problems/jpmorgan-get-largest-number)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-largest-number)| Aug 30, 2024 | +| **Uber** |[Count Elements](https://www.fastprep.io/problems/uber-count-elements)|[![Practice][p]](https://www.fastprep.io/problems/uber-count-elements)| Aug 30, 2024 | +| **Uber** |[Build Blocks and Obstacles](https://www.fastprep.io/problems/uber-build-blocks-and-obstacles)|[![Practice][p]](https://www.fastprep.io/problems/uber-build-blocks-and-obstacles)| Aug 30, 2024 | +| **Uber** |[Matrix Transformation](https://www.fastprep.io/problems/uber-matrix-transformation)|[![Practice][p]](https://www.fastprep.io/problems/uber-matrix-transformation)| Aug 30, 2024 | +| **Uber** |[Match Pattern](https://www.fastprep.io/problems/uber-match-subarray-to-pattern)|[![Practice][p]](https://www.fastprep.io/problems/uber-match-subarray-to-pattern)| Aug 30, 2024 | +| **Uber** |[Character Health](https://www.fastprep.io/problems/uber-character-health-in-a-video-game)|[![Practice][p]](https://www.fastprep.io/problems/uber-character-health-in-a-video-game)| Aug 30, 2024 | +| **Hudson River Trading** |[Increasing Paths 2](https://www.fastprep.io/problems/hudsonriver-increasing-paths-2)|[![Practice][p]](https://www.fastprep.io/problems/hudsonriver-increasing-paths-2)| Aug 30, 2024 | +| **Hudson River Trading** |[Increasing Paths 1](https://www.fastprep.io/problems/hudsonriver-increasing-paths-1)|[![Practice][p]](https://www.fastprep.io/problems/hudsonriver-increasing-paths-1)| Aug 30, 2024 | +| **TikTok** |[Secondary Influencer](https://www.fastprep.io/problems/tiktok-get-secondary-influencer-sum)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-get-secondary-influencer-sum)| Aug 30, 2024 | +| **TikTok** |[Maximize Efficiency Product](https://www.fastprep.io/problems/tiktok-maximize-efficiency-product)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-maximize-efficiency-product)| Aug 30, 2024 | +| **Microsoft** |[Min Num Tiles](https://www.fastprep.io/problems/microsoft-min-num-tiles)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-min-num-tiles)| Aug 30, 2024 | +| **Microsoft** |[Shortest Possible Length](https://www.fastprep.io/problems/microsoft-shortest-possible-length)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-shortest-possible-length)| Aug 30, 2024 | +| **Cisco** |[Find Mean and Mode](https://www.fastprep.io/problems/cisco-find-mean-and-mode)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-mean-and-mode)| Aug 30, 2024 | +| **Cisco** |[Count Number with Sum of Digits](https://www.fastprep.io/problems/cisco-count-numbers-with-sum-of-digits)|[![Practice][p]](https://www.fastprep.io/problems/cisco-count-numbers-with-sum-of-digits)| Aug 30, 2024 | +| **Cisco** |[Calculate Mean and Mode](https://www.fastprep.io/problems/cisco-calculate-mean-and-mode)|[![Practice][p]](https://www.fastprep.io/problems/cisco-calculate-mean-and-mode)| Aug 30, 2024 | +| **Cisco** |[Find Words in Grid](https://www.fastprep.io/problems/cisco-find-words-in-grid)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-words-in-grid)| Aug 30, 2024 | +| **Cisco** |[Find Last Call](https://www.fastprep.io/problems/cisco-find-last-cell)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-last-cell)| Aug 30, 2024 | +| **Nutanix** |[Min Cost To Collect All Points](https://www.fastprep.io/problems/nutanix-min-cost-to-connect-all-points)|[![Practice][p]](https://www.fastprep.io/problems/nutanix-min-cost-to-connect-all-points)| Aug 30, 2024 | +| **Amazon** |[Min Operations To Make Zeros](https://www.fastprep.io/problems/amazon-find-minimum-number-of-operations)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-number-of-operations)| Aug 28, 2024 | +| **TikTok** |[Substrings Without Vowels](https://www.fastprep.io/problems/tiktok-number-of-substrings-without-vowels)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-number-of-substrings-without-vowels)| Aug 28, 2024 | +| **TikTok** |[Build URLs](https://www.fastprep.io/problems/tiktok-build-url)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-build-url)| Aug 28, 2024 | +| **IBM** |[Get Min Cores](https://www.fastprep.io/problems/ibm-get-min-cores)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-min-cores)| Aug 28, 2024 | +| **IBM** |[Get Smallest String](https://www.fastprep.io/problems/ibm-get-smallest-string)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-smallest-string)| Aug 28, 2024 | +| **Microsoft** |[Path In Grid](https://www.fastprep.io/problems/microsoft-path-in-grid)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-path-in-grid)| Aug 28, 2024 | +| **Microsoft** |[Minimize Difference](https://www.fastprep.io/problems/microsoft-minimize-difference)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-minimize-difference)| Aug 28, 2024 | +| **Microsoft** |[Product of xor of All Good Pairs](https://www.fastprep.io/problems/microsoft-product-of-xor-of-all-good-pairs)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-product-of-xor-of-all-good-pairs)| Aug 28, 2024 | +| **DE Shaw** |[Subarray Removal](https://www.fastprep.io/problems/deshaw-subarray-removal)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-subarray-removal)| Aug 28, 2024 | +| **Cisco** |[Find Maiximum Number Drop Points Connected](https://www.fastprep.io/problems/cisco-find-maximum-number-drop-points-connected)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-maximum-number-drop-points-connected)| Aug 28, 2024 | +| **Cisco** |[Longest Palindromic Subarray](https://www.fastprep.io/problems/cisco-longest-palindromic-substring)|[![Practice][p]](https://www.fastprep.io/problems/cisco-longest-palindromic-substring)| Aug 28, 2024 | +| **Cisco** |[Find Largest Sum Contiguous Subarray](https://www.fastprep.io/problems/cisco-find-largest-sum-contiguous-subarray)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-largest-sum-contiguous-subarray)| Aug 28, 2024 | +| **Commvault** |[Count Good Strings](https://www.fastprep.io/problems/commvault-count-good-strings)|[![Practice][p]](https://www.fastprep.io/problems/commvault-count-good-strings)| Aug 28, 2024 | +| **Commvault** |[Num of Good Pairs](https://www.fastprep.io/problems/commvault-number-of-good-pairs)|[![Practice][p]](https://www.fastprep.io/problems/commvault-number-of-good-pairs)| Aug 28, 2024 | +| **Sofi** |[Get Maximum Jobs](https://www.fastprep.io/problems/sofi-get-maximum-jobs)|[![Practice][p]](https://www.fastprep.io/problems/sofi-get-maximum-jobs)| Aug 28, 2024 | +| **Zalando** |[Longest String](https://www.fastprep.io/problems/zolando-longest-string)|[![Practice][p]](https://www.fastprep.io/problems/zolando-longest-string)| Aug 28, 2024 | +| **Zalando** |[String Manipulation](https://www.fastprep.io/problems/zolando-string-manipulation)|[![Practice][p]](https://www.fastprep.io/problems/zolando-string-manipulation)| Aug 28, 2024 | +| **Amazon** |[Choose Warehouse Location](https://www.fastprep.io/problems/amazon-choose-warehouses-location)|[![Practice][p]](https://www.fastprep.io/problems/amazon-choose-warehouses-location)| Aug 25, 2024 | +| **Amazon** |[Sort Permutation](https://www.fastprep.io/problems/1.amazon-sort-permutation)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-sort-permutation)| Aug 25, 2024 | +| **Akuna** |[Movie Ratings](https://www.fastprep.io/problems/akuna-maximize-ratings)|[![Practice][p]](https://www.fastprep.io/problems/akuna-maximize-ratings)| Aug 25, 2024 | +| **Akuna** |[Get Max Cost](https://www.fastprep.io/problems/akuna-get-max-cost)|[![Practice][p]](https://www.fastprep.io/problems/akuna-get-max-cost)| Aug 25, 2024 | +| **Akuna** |[Get String](https://www.fastprep.io/problems/akuna-get-substring)|[![Practice][p]](https://www.fastprep.io/problems/akuna-get-substring)| Aug 25, 2024 | +| **TikTok** |[Min Days to Target Engagement](https://www.fastprep.io/problems/tiktok-min-days-to-target-engagement)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-min-days-to-target-engagement)| Aug 25, 2024 | +| **TikTok** |[Calculate Content Strength](https://www.fastprep.io/problems/tiktok-calculate-content-strength)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-calculate-content-strength)| Aug 25, 2024 | +| **Roblox** |[Make Tower](https://www.fastprep.io/problems/roblox-make-towers-strictly-increasing-or-decreasing)|[![Practice][p]](https://www.fastprep.io/problems/roblox-make-towers-strictly-increasing-or-decreasing)| Aug 25, 2024 | +| **Roblox** |[Shift Ops](https://www.fastprep.io/problems/roblox-shift-ops)|[![Practice][p]](https://www.fastprep.io/problems/roblox-shift-ops)| Aug 25, 2024 | +| **Roblox** |[Find Longest Diagonal Segment](https://www.fastprep.io/problems/roblox-find-longest-diagonal-segment)|[![Practice][p]](https://www.fastprep.io/problems/roblox-find-longest-diagonal-segment)| Aug 25, 2024 | +| **Amazon** |[Minimize Storage Required](https://www.fastprep.io/problems/amazon-minimum-storage-capacity-required)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimum-storage-capacity-required)| Aug 23, 2024 | +| **TikTok** |[Shared Categories](https://www.fastprep.io/problems/tiktok-max-shared-categories)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-max-shared-categories)| Aug 23, 2024 | +| **TikTok** |[Find Min Transitions](https://www.fastprep.io/problems/tiktok-find-minimum-transitions)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-find-minimum-transitions)| Aug 23, 2024 | +| **TikTok** |[Find Pair with Max GCD](https://www.fastprep.io/problems/tiktok-find-pair-with-maximum-gcd)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-find-pair-with-maximum-gcd)| Aug 23, 2024 | +| **Rubrik** |[Friendship String](https://www.fastprep.io/problems/rubrik-friendship-string)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-friendship-string)| Aug 23, 2024 | +| **Rubrik** |[Doing Smart Work](https://www.fastprep.io/problems/rubrik-doing-smart-work)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-doing-smart-work)| Aug 23, 2024 | +| **Rubrik** |[Battle with Upper Moon 6](https://www.fastprep.io/problems/rubrik-battle-with-upper-moon-6)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-battle-with-upper-moon-6)| Aug 23, 2024 | +| **Rubrik** |[Maximize Happiness](https://www.fastprep.io/problems/rubrik-maximize-happiness)|[![Practice][p]](https://www.fastprep.io/problems/rubrik-maximize-happiness)| Aug 23, 2024 | +| **MathWorks** |[Make Arrays Equal](https://www.fastprep.io/problems/mathwork-make-arrays-equal)|[![Practice][p]](https://www.fastprep.io/problems/mathwork-make-arrays-equal)| Aug 23, 2024 | +| **Trend Micro** |[Counting Game](https://www.fastprep.io/problems/trendmicro-counting-game)|[![Practice][p]](https://www.fastprep.io/problems/trendmicro-counting-game)| Aug 23, 2024 | +| **Trend Micro** |[Find Sequences](https://www.fastprep.io/problems/trendmicro-find-sequences)|[![Practice][p]](https://www.fastprep.io/problems/trendmicro-find-sequences)| Aug 23, 2024 | +| **Cvent** |[Maximize Score](https://www.fastprep.io/problems/cvent-maximize-score)|[![Practice][p]](https://www.fastprep.io/problems/cvent-maximize-score)| Aug 23, 2024 | +| **Pinterest** |[Join Sources with Lagged Destination Timestamps](https://www.fastprep.io/problems/pinterest-timestamp-lag-source-join)|[![Practice][p]](https://www.fastprep.io/problems/pinterest-timestamp-lag-source-join)| Aug 21, 2024 | +| **Snowflake** |[Closest Squared Distance](https://www.fastprep.io/problems/snowflake-closest-squared-distance)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-closest-squared-distance)| Aug 20, 2024 | +| **Salesforce** |[Find Num of Perfect Pairs](https://www.fastprep.io/problems/salesforce-find-number-of-perfect-pairs)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-find-number-of-perfect-pairs)| Aug 18, 2024 | +| **Salesforce** |[Least Hours](https://www.fastprep.io/problems/salesforce-least-hours)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-least-hours)| Aug 18, 2024 | +| **JP Morgan** |[Choose Fleets](https://www.fastprep.io/problems/jpmorgan-choose-fleets)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-choose-fleets)| Aug 18, 2024 | +| **JP Morgan** |[Count Signals](https://www.fastprep.io/problems/jpmorgan-count-signals)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-count-signals)| Aug 18, 2024 | +| **Google** |[Min Num Moves](https://www.fastprep.io/problems/google-minimum-number-of-moves-to-obtain)|[![Practice][p]](https://www.fastprep.io/problems/google-minimum-number-of-moves-to-obtain)| Aug 18, 2024 | +| **Google** |[Biggest Number of Digits](https://www.fastprep.io/problems/google-biggest-number-of-digits)|[![Practice][p]](https://www.fastprep.io/problems/google-biggest-number-of-digits)| Aug 18, 2024 | +| **TikTok** |[Get Optimal Content Storage](https://www.fastprep.io/problems/tiktok-get-optimal-content-storage)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-get-optimal-content-storage)| Aug 18, 2024 | +| **Roblox** |[Find Largest Num Of Pairs](https://www.fastprep.io/problems/roblox-find-max-number-of-pairs)|[![Practice][p]](https://www.fastprep.io/problems/roblox-find-max-number-of-pairs)| Aug 18, 2024 | +| **Databricks** |[String Requests](https://www.fastprep.io/problems/databricks-string-requests)|[![Practice][p]](https://www.fastprep.io/problems/databricks-string-requests)| Aug 18, 2024 | +| **Databricks** |[Diagonal Weights](https://www.fastprep.io/problems/databricks-diagonal-weights)|[![Practice][p]](https://www.fastprep.io/problems/databricks-diagonal-weights)| Aug 18, 2024 | +| **Databricks** |[Goto Largest Bucket](https://www.fastprep.io/problems/databricks-goto-largest-bucket)|[![Practice][p]](https://www.fastprep.io/problems/databricks-goto-largest-bucket)| Aug 18, 2024 | +| **Databricks** |[Count Triples with Diff](https://www.fastprep.io/problems/databricks-count-triples-with-diff)|[![Practice][p]](https://www.fastprep.io/problems/databricks-count-triples-with-diff)| Aug 18, 2024 | +| **IBM** |[Get Maximum Occurances](https://www.fastprep.io/problems/ibm-get-max-occurrences)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-max-occurrences)| Aug 18, 2024 | +| **IBM** |[Get Min Difference](https://www.fastprep.io/problems/ibm-get-minimum-difference)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-minimum-difference)| Aug 18, 2024 | +| **IBM** |[Max Traffic Time](https://www.fastprep.io/problems/ibm-get-max-traffic-time)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-max-traffic-time)| Aug 18, 2024 | +| **Databricks** |[Array Manipulation](https://www.fastprep.io/problems/databricks-array-manipulation)|[![Practice][p]](https://www.fastprep.io/problems/databricks-array-manipulation)| Aug 13, 2024 | +| **Capital One** |[Rotate Matrix Over Diagonals](https://www.fastprep.io/problems/capitalone-rotate-matrix-over-diagonals)|[![Practice][p]](https://www.fastprep.io/problems/capitalone-rotate-matrix-over-diagonals)| Aug 12, 2024 | +| **Databricks** |[Advanture to Count Moves](https://www.fastprep.io/problems/databricks-advanture-to-count-moves)|[![Practice][p]](https://www.fastprep.io/problems/databricks-advanture-to-count-moves)| Aug 12, 2024 | +| **Databricks** |[Cyclic Pairs](https://www.fastprep.io/problems/databricks-cyclic-pairs)|[![Practice][p]](https://www.fastprep.io/problems/databricks-cyclic-pairs)| Aug 12, 2024 | +| **Databricks** |[Check Pattern Presence](https://www.fastprep.io/problems/databricks-check-pattern-presence)|[![Practice][p]](https://www.fastprep.io/problems/databricks-check-pattern-presence)| Aug 12, 2024 | +| **GE Vernova** |[Find Min Special Value](https://www.fastprep.io/problems/ge-vernova-find-minimum-special-value)|[![Practice][p]](https://www.fastprep.io/problems/ge-vernova-find-minimum-special-value)| Aug 12, 2024 | +| **Amazon** |[Minimize Maximum Parcels](https://www.fastprep.io/problems/1.amazon-minimize-maximum-parcels)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-minimize-maximum-parcels)| Aug 11, 2024 | +| **Google** |[Happy Neighbor](https://www.fastprep.io/problems/google-happy-neighbor)|[![Practice][p]](https://www.fastprep.io/problems/google-happy-neighbor)| Aug 11, 2024 | +| **Amazon** |[Get Sequence](https://www.fastprep.io/problems/amazon-get-sequence)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-sequence)| Aug 10, 2024 | +| **Amazon** |[Get Maximum Sum](https://www.fastprep.io/problems/amazon-get-maximum-sum)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-maximum-sum)| Aug 10, 2024 | +| **TikTok** |[Exchange Cups](https://www.fastprep.io/problems/tiktok-exchange-cups)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-exchange-cups)| Aug 10, 2024 | +| **TikTok** |[Eating Candies](https://www.fastprep.io/problems/tiktok-eating-candies)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-eating-candies)| Aug 10, 2024 | +| **TikTok** |[Find Good Subarray](https://www.fastprep.io/problems/tiktok-find-good-subarray)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-find-good-subarray)| Aug 10, 2024 | +| **TikTok** |[Card Packets](https://www.fastprep.io/problems/tiktok-card-packets)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-card-packets)| Aug 10, 2024 | +| **Databricks** |[Count Pairs](https://www.fastprep.io/problems/dd-count-pairs)|[![Practice][p]](https://www.fastprep.io/problems/dd-count-pairs)| Aug 10, 2024 | +| **Google** |[Movie Bits to Right](https://www.fastprep.io/problems/google-move-bits-to-right)|[![Practice][p]](https://www.fastprep.io/problems/google-move-bits-to-right)| Aug 08, 2024 | +| **Eat Club** |[Sequence Beauty](https://www.fastprep.io/problems/eat-club-calculate-sequence-beauty)|[![Practice][p]](https://www.fastprep.io/problems/eat-club-calculate-sequence-beauty)| Aug 08, 2024 | +| **Eat Club** |[Grandmaster Choice](https://www.fastprep.io/problems/eat-club-grandmasters-choice)|[![Practice][p]](https://www.fastprep.io/problems/eat-club-grandmasters-choice)| Aug 08, 2024 | +| **JP Morgan** |[Count Teams](https://www.fastprep.io/problems/jpmorgan-count-teams)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-count-teams)| Aug 07, 2024 | +| **Uber** |[Good Ways to Reach a Sum](https://www.fastprep.io/problems/uber-count-ways-to-reach-a-sum)|[![Practice][p]](https://www.fastprep.io/problems/uber-count-ways-to-reach-a-sum)| Aug 07, 2024 | +| **Uber** |[Count Good Array](https://www.fastprep.io/problems/uber-count-the-number-of-good-subarrays)|[![Practice][p]](https://www.fastprep.io/problems/uber-count-the-number-of-good-subarrays)| Aug 07, 2024 | +| **Uber** |[Min Right Shifts to Sort An Array](https://www.fastprep.io/problems/uber-minimum-right-shifts-to-sort-the-array)|[![Practice][p]](https://www.fastprep.io/problems/uber-minimum-right-shifts-to-sort-the-array)| Aug 07, 2024 | +| **Uber** |[Min Obstacle to Remove](https://www.fastprep.io/problems/uber-minimum-obstacle-removal)|[![Practice][p]](https://www.fastprep.io/problems/uber-minimum-obstacle-removal)| Aug 07, 2024 | +| **Akuna** |[Movie Marathon](https://www.fastprep.io/problems/akuna-longest-marathon)|[![Practice][p]](https://www.fastprep.io/problems/akuna-longest-marathon)| Aug 07, 2024 | +| **Akuna** |[Min Operations](https://www.fastprep.io/problems/akuna-minimal-operations)|[![Practice][p]](https://www.fastprep.io/problems/akuna-minimal-operations)| Aug 07, 2024 | +| **Optiver** |[Customer Checkout Duration](https://www.fastprep.io/problems/optiver-customer-checkout-duration)|[![Practice][p]](https://www.fastprep.io/problems/optiver-customer-checkout-duration)| Aug 07, 2024 | +| **Akuna** |[Maximize Segregation Cost](https://www.fastprep.io/problems/akuna-maximize-segregation-cost)|[![Practice][p]](https://www.fastprep.io/problems/akuna-maximize-segregation-cost)| Aug 06, 2024 | +| **BNY Mellon** |[Count Subsequences](https://www.fastprep.io/problems/bnymellon-count-subsequences)|[![Practice][p]](https://www.fastprep.io/problems/bnymellon-count-subsequences)| Aug 06, 2024 | +| **BNY Mellon** |[Dig Sum](https://www.fastprep.io/problems/bnymellon-ways-to-choose-sum)|[![Practice][p]](https://www.fastprep.io/problems/bnymellon-ways-to-choose-sum)| Aug 06, 2024 | +| **Amazon** |[Process Queries On Cart](https://www.fastprep.io/problems/amazon-process-queries-on-cart)|[![Practice][p]](https://www.fastprep.io/problems/amazon-process-queries-on-cart)| Aug 05, 2024 | +| **Amazon** |[Assign Tasks](https://www.fastprep.io/problems/amazon-assign-tasks)|[![Practice][p]](https://www.fastprep.io/problems/amazon-assign-tasks)| Aug 05, 2024 | +| **Amazon** |[Get Server ID](https://www.fastprep.io/problems/1.get-server-id)|[![Practice][p]](https://www.fastprep.io/problems/1.get-server-id)| Aug 05, 2024 | +| **Amazon** |[Get Active Requests Count](https://www.fastprep.io/problems/amazon-get-active-requests-count)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-active-requests-count)| Aug 05, 2024 | +| **Amazon** |[Get Operations](https://www.fastprep.io/problems/amazon-get-operations)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-operations)| Aug 05, 2024 | +| **Salesforce** |[Count Numbers with Unique Digits](https://www.fastprep.io/problems/salesforce-count-numbers-with-unique-digits)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-count-numbers-with-unique-digits)| Aug 05, 2024 | +| **Google** |[Find Max Heart Rate Difference](https://www.fastprep.io/problems/google-find-max-heart-rate-difference)|[![Practice][p]](https://www.fastprep.io/problems/google-find-max-heart-rate-difference)| Aug 05, 2024 | +| **Google** |[Find Palindromes](https://www.fastprep.io/problems/google-find-palindromes)|[![Practice][p]](https://www.fastprep.io/problems/google-find-palindromes)| Aug 05, 2024 | +| **Google** |[Binary Palindromic](https://www.fastprep.io/problems/google-minimum-operations-to-make-binary-palindromic)|[![Practice][p]](https://www.fastprep.io/problems/google-minimum-operations-to-make-binary-palindromic)| Aug 05, 2024 | +| **Google** |[Max Num of Moves with Same Result Sum](https://www.fastprep.io/problems/google-maximum-number-of-moves-with-same-result-sum)|[![Practice][p]](https://www.fastprep.io/problems/google-maximum-number-of-moves-with-same-result-sum)| Aug 05, 2024 | +| **Google** |[Divide Tree Nodes](https://www.fastprep.io/problems/divide-tree-nodes-google)|[![Practice][p]](https://www.fastprep.io/problems/divide-tree-nodes-google)| Aug 05, 2024 | +| **Google** |[Find Consistent Logs](https://www.fastprep.io/problems/google-find-consistent-logs)|[![Practice][p]](https://www.fastprep.io/problems/google-find-consistent-logs)| Aug 05, 2024 | +| **Google** |[Social Meida Friend Recommendation](https://www.fastprep.io/problems/google-social-media-friend-recommendation)|[![Practice][p]](https://www.fastprep.io/problems/google-social-media-friend-recommendation)| Aug 05, 2024 | +| **Uber** |[Calculate Visited Countries](https://www.fastprep.io/problems/uber-calculate-visited-countries)|[![Practice][p]](https://www.fastprep.io/problems/uber-calculate-visited-countries)| Aug 05, 2024 | +| **Akuna** |[Maximum Amount of Profit](https://www.fastprep.io/problems/akuna-maximum-amount-of-profit)|[![Practice][p]](https://www.fastprep.io/problems/akuna-maximum-amount-of-profit)| Aug 05, 2024 | +| **Akuna** |[Max Meetings](https://www.fastprep.io/problems/akuna-max-meetings)|[![Practice][p]](https://www.fastprep.io/problems/akuna-max-meetings)| Aug 05, 2024 | +| **Blackrock** |[Is Happy Number](https://www.fastprep.io/problems/blackrock-is-happy-number)|[![Practice][p]](https://www.fastprep.io/problems/blackrock-is-happy-number)| Aug 05, 2024 | +| **Microsoft** |[Longest Path](https://www.fastprep.io/problems/microsoft-longest-path-with-different-adjacent-characters)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-longest-path-with-different-adjacent-characters)| Aug 05, 2024 | +| **Microsoft** |[Min Order](https://www.fastprep.io/problems/microsoft-reorder-routes-to-make-all-paths-lead-to-the-city-zero)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-reorder-routes-to-make-all-paths-lead-to-the-city-zero)| Aug 05, 2024 | +| **MathWorks** |[Good Strings](https://www.fastprep.io/problems/mathwork-good-strings)|[![Practice][p]](https://www.fastprep.io/problems/mathwork-good-strings)| Aug 05, 2024 | +| **MathWorks** |[Cars Left](https://www.fastprep.io/problems/mathwork-cars-left)|[![Practice][p]](https://www.fastprep.io/problems/mathwork-cars-left)| Aug 05, 2024 | +| **Epam** |[Rob House](https://www.fastprep.io/problems/epam-rob-house)|[![Practice][p]](https://www.fastprep.io/problems/epam-rob-house)| Aug 05, 2024 | +| **Hyper Verge** |[Get String to Remove](https://www.fastprep.io/problems/hyperverge-reach-a-given-number)|[![Practice][p]](https://www.fastprep.io/problems/hyperverge-reach-a-given-number)| Aug 05, 2024 | +| **Onix** |[Get String to Remove](https://www.fastprep.io/problems/onix-get-string-to-remove)|[![Practice][p]](https://www.fastprep.io/problems/onix-get-string-to-remove)| Aug 05, 2024 | +| **SIG** |[Count Triples](https://www.fastprep.io/problems/counting-triples)|[![Practice][p]](https://www.fastprep.io/problems/counting-triples)| Aug 05, 2024 | +| **Amazon** |[Get Minimum Boxes](https://www.fastprep.io/problems/amazon-get-minimum-boxes)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-minimum-boxes)| Jul 25, 2024 | +| **IBM** |[Min Insertion to Balance a Parentheses String](https://www.fastprep.io/problems/ibm-minimum-insertions-to-balance-a-parentheses-string)|[![Practice][p]](https://www.fastprep.io/problems/ibm-minimum-insertions-to-balance-a-parentheses-string)| Jul 25, 2024 | +| **Uber** |[Count L Shapes](https://www.fastprep.io/problems/uber-count-l-shapes)|[![Practice][p]](https://www.fastprep.io/problems/uber-count-l-shapes)| Jul 20, 2024 | +| **Uber** |[Count Elements With At Least One Smaller And One Greater Value](https://www.fastprep.io/problems/uber-count-elements-with-at-least-one-smaller-and-one-greater-value)|[![Practice][p]](https://www.fastprep.io/problems/uber-count-elements-with-at-least-one-smaller-and-one-greater-value)| Jul 20, 2024 | +| **Uber** |[Min Operations To Make Harmonious](https://www.fastprep.io/problems/uber-minimum-operations-to-make-sequence-harmonious)|[![Practice][p]](https://www.fastprep.io/problems/uber-minimum-operations-to-make-sequence-harmonious)| Jul 20, 2024 | +| **Snowflake** |[Get Maximum Sum](https://www.fastprep.io/problems/snowflake-get-maximum-sum)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-get-maximum-sum)| Jul 20, 2024 | +| **Jane Street** |[Transform String](https://www.fastprep.io/problems/janestreet-transform-string)|[![Practice][p]](https://www.fastprep.io/problems/janestreet-transform-string)| Jul 20, 2024 | +| **Amazon** |[Get Min Total Distance](https://www.fastprep.io/problems/1.amazon-get-min-total-distance)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-min-total-distance)| Jul 17, 2024 | +| **Hudson River Trading** |[Buy and Sell Stock](https://www.fastprep.io/problems/hudsonriver-buy-sell-stock)|[![Practice][p]](https://www.fastprep.io/problems/hudsonriver-buy-sell-stock)| Jul 17, 2024 | +| **DE Shaw** |[Make Array Bitonic](https://www.fastprep.io/problems/make-array-bitonic-deshaw)|[![Practice][p]](https://www.fastprep.io/problems/make-array-bitonic-deshaw)| Jul 17, 2024 | +| **Moveworks** |[Number of Balanced Strings](https://www.fastprep.io/problems/moveworks-number-of-balanced-strings)|[![Practice][p]](https://www.fastprep.io/problems/moveworks-number-of-balanced-strings)| Jul 17, 2024 | +| **Moveworks** |[Min Moves to Sort Array](https://www.fastprep.io/problems/moveworks-minimum-moves-to-sort-array)|[![Practice][p]](https://www.fastprep.io/problems/moveworks-minimum-moves-to-sort-array)| Jul 17, 2024 | +| **Moveworks** |[Find Max Number of Strings](https://www.fastprep.io/problems/moveworks-find-maximum-number-of-strings)|[![Practice][p]](https://www.fastprep.io/problems/moveworks-find-maximum-number-of-strings)| Jul 17, 2024 | +| **Moveworks** |[Min Operations to Sort Array](https://www.fastprep.io/problems/moveworks-get-minimum-operations-to-sort-array)|[![Practice][p]](https://www.fastprep.io/problems/moveworks-get-minimum-operations-to-sort-array)| Jul 17, 2024 | +| **Amazon** |[Compute Encoded Product Name](https://www.fastprep.io/problems/amazon-compute-encoded-product-name)|[![Practice][p]](https://www.fastprep.io/problems/amazon-compute-encoded-product-name)| Jul 15, 2024 | +| **Amazon** |[Process Queue](https://www.fastprep.io/problems/amazon-process-queue)|[![Practice][p]](https://www.fastprep.io/problems/amazon-process-queue)| Jul 15, 2024 | +| **Amazon** |[Get Redundant Substrings](https://www.fastprep.io/problems/amazon-get-redundant-substrings)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-redundant-substrings)| Jul 15, 2024 | +| **Blackrock** |[Count Levels](https://www.fastprep.io/problems/blackrock-count-levels)|[![Practice][p]](https://www.fastprep.io/problems/blackrock-count-levels)| Jul 15, 2024 | +| **Pure Storage** |[Shopping and Billing](https://www.fastprep.io/problems/purestorage-count-palindromic-substrings)|[![Practice][p]](https://www.fastprep.io/problems/purestorage-count-palindromic-substrings)| Jul 15, 2024 | +| **Salesforce** |[Least Stressful Path](https://www.fastprep.io/problems/salesforce-least-stressful-path)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-least-stressful-path)| Jul 12, 2024 | +| **Salesforce** |[Same Substring](https://www.fastprep.io/problems/salesforce-same-substring)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-same-substring)| Jul 12, 2024 | +| **Citadel** |[Get Min Operations](https://www.fastprep.io/problems/citadel-get-min-operations)|[![Practice][p]](https://www.fastprep.io/problems/citadel-get-min-operations)| Jul 11, 2024 | +| **JP Morgan** |[Chess Tourment](https://www.fastprep.io/problems/jpmorgan-get-potential-of-winner)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-potential-of-winner)| Jul 10, 2024 | +| **Citadel** |[Count Stable Segments](https://www.fastprep.io/problems/citadel-count-stable-segments)|[![Practice][p]](https://www.fastprep.io/problems/citadel-count-stable-segments)| Jul 10, 2024 | +| **Citadel** |[Find Consistent Logs](https://www.fastprep.io/problems/citadel-find-consistent-logs)|[![Practice][p]](https://www.fastprep.io/problems/citadel-find-consistent-logs)| Jul 10, 2024 | +| **Citadel** |[Get Max Throughput](https://www.fastprep.io/problems/citadel-get-max-throughput)|[![Practice][p]](https://www.fastprep.io/problems/citadel-get-max-throughput)| Jul 10, 2024 | +| **Citadel** |[Get Recommended Friends](https://www.fastprep.io/problems/citadel-get-recommended-friends)|[![Practice][p]](https://www.fastprep.io/problems/citadel-get-recommended-friends)| Jul 10, 2024 | +| **Goldman Sachs** |[Alphanumeric Combinations](https://www.fastprep.io/problems/goldman-alphanumeric-combinations)|[![Practice][p]](https://www.fastprep.io/problems/goldman-alphanumeric-combinations)| Jul 10, 2024 | +| **Amazon** |[Max Consecutive ON Servers](https://www.fastprep.io/problems/amazon-get-max-consecutive-on)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-consecutive-on)| Jul 09, 2024 | +| **Amazon** |[Get Total Requests](https://www.fastprep.io/problems/amazon-get-total-requests)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-total-requests)| Jun 27, 2024 | +| **Uber** |[Find Length of Longest Common Prefix](https://www.fastprep.io/problems/uber-find-length-of-longest-common-prefix)|[![Practice][p]](https://www.fastprep.io/problems/uber-find-length-of-longest-common-prefix)| Jun 27, 2024 | +| **Snowflake** |[Minimum Segment](https://www.fastprep.io/problems/snowflake-minimum-division)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-minimum-division)| Jun 27, 2024 | +| **Cisco** |[Find Critical Nodes](https://www.fastprep.io/problems/cisco-find-critical-nodes)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-critical-nodes)| Jun 27, 2024 | +| **Amazon** |[Maximize Negative Signs](https://www.fastprep.io/problems/maximize-negative-signs)|[![Practice][p]](https://www.fastprep.io/problems/maximize-negative-signs)| Jun 24, 2024 | +| **Adobe** |[Determine the Edit Distance in a Word Ladder](https://www.fastprep.io/problems/adobe-determine-edit-distance-in-word-ladder)|[![Practice][p]](https://www.fastprep.io/problems/adobe-determine-edit-distance-in-word-ladder)| Jun 24, 2024 | +| **Flexport** |[Distinct Moves](https://www.fastprep.io/problems/flexport-distinct-moves)|[![Practice][p]](https://www.fastprep.io/problems/flexport-distinct-moves)| Jun 24, 2024 | +| **Flexport** |[Maximum Edges](https://www.fastprep.io/problems/flexport-get-maximum-edges)|[![Practice][p]](https://www.fastprep.io/problems/flexport-get-maximum-edges)| Jun 24, 2024 | +| **WeWork** |[Meeting Room](https://www.fastprep.io/problems/wework-meeting-room)|[![Practice][p]](https://www.fastprep.io/problems/wework-meeting-room)| Jun 24, 2024 | +| **WeWork** |[Shopping and Billing](https://www.fastprep.io/problems/wework-shopping-and-billing)|[![Practice][p]](https://www.fastprep.io/problems/wework-shopping-and-billing)| Jun 24, 2024 | +| **Salesforce** |[Count Substrings](https://www.fastprep.io/problems/salesforce-count-substrings)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-count-substrings)| Jun 20, 2024 | +| **Salesforce** |[Count Min Operations to Reduce Dimensions](https://www.fastprep.io/problems/salesforce-count-minimum-operations-to-reduce-dimensions)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-count-minimum-operations-to-reduce-dimensions)| Jun 20, 2024 | +| **IBM** |[Min Chairs](https://www.fastprep.io/problems/ibm-min-chairs)|[![Practice][p]](https://www.fastprep.io/problems/ibm-min-chairs)| Jun 20, 2024 | +| **Microsoft** |[Get Alphabetically Smallest String](https://www.fastprep.io/problems/microsoft-get-alphabetically-smallest-string)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-get-alphabetically-smallest-string)| Jun 20, 2024 | +| **Paypal** |[Modify Array](https://www.fastprep.io/problems/paypal-modify-array)|[![Practice][p]](https://www.fastprep.io/problems/paypal-modify-array)| Jun 20, 2024 | +| **Xperi** |[Make Numbers Equal](https://www.fastprep.io/problems/xperi-make-numbers-equal)|[![Practice][p]](https://www.fastprep.io/problems/xperi-make-numbers-equal)| Jun 20, 2024 | +| **Xperi** |[Count Integer Sequences](https://www.fastprep.io/problems/xperi-count-integer-sequences)|[![Practice][p]](https://www.fastprep.io/problems/xperi-count-integer-sequences)| Jun 20, 2024 | +| **Amazon** |[Maximum Stability](https://www.fastprep.io/problems/amazon-maximum-stability)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-stability)| Jun 15, 2024 | +| **Amazon** |[Is Regex Matching](https://www.fastprep.io/problems/amazon-is-regex-matching)|[![Practice][p]](https://www.fastprep.io/problems/amazon-is-regex-matching)| Jun 15, 2024 | +| **Uber** |[Word Pairs](https://www.fastprep.io/problems/uber-word-pairs)|[![Practice][p]](https://www.fastprep.io/problems/uber-word-pairs)| Jun 15, 2024 | +| **Uber** |[Bus Time](https://www.fastprep.io/problems/uber-bus-time)|[![Practice][p]](https://www.fastprep.io/problems/uber-bus-time)| Jun 15, 2024 | +| **IBM** |[Find Arrangement](https://www.fastprep.io/problems/ibm-find-arrangements)|[![Practice][p]](https://www.fastprep.io/problems/ibm-find-arrangements)| Jun 15, 2024 | +| **Microsoft** |[Skycraper](https://www.fastprep.io/problems/microsoft-skyscraper)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-skyscraper)| Jun 15, 2024 | +| **Microsoft** |[Min Num Cells](https://www.fastprep.io/problems/microsoft-min-num-letters)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-min-num-letters)| Jun 15, 2024 | +| **Microsoft** |[Maximum Cells](https://www.fastprep.io/problems/microsoft-maximum-cells)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-cells)| Jun 15, 2024 | +| **Fivetran** | [Unique Near-Equal Target-Sum Pairs](https://www.fastprep.io/problems/fivetran-unique-near-equal-target-sum-pairs) | [![Practice][p]](https://www.fastprep.io/problems/fivetran-unique-near-equal-target-sum-pairs) | Jun 13, 2024 | +| **Fivetran** | [Connected Groups](https://www.fastprep.io/problems/fivetran-connected-groups) | [![Practice][p]](https://www.fastprep.io/problems/fivetran-connected-groups) | Jun 13, 2024 | +| **Amazon** |[Maximize Subtree Product](https://www.fastprep.io/problems/amazon-maximize-subtree-product)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-subtree-product)| Jun 10, 2024 | +| **Amazon** |[Bring Servers Down](https://www.fastprep.io/problems/amazon-bring-servers-down)|[![Practice][p]](https://www.fastprep.io/problems/amazon-bring-servers-down)| Jun 10, 2024 | +| **Snowflake** |[Search Strings](https://www.fastprep.io/problems/snowflake-get-maximum-removals)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-get-maximum-removals)| Jun 10, 2024 | +| **Amazon** |[Optimizing Box Weights](https://www.fastprep.io/problems/amazon-minimal-heaviest-set-a)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimal-heaviest-set-a)| Jun 02, 2024 | +| **Amazon** |[Find K Level Permutation](https://www.fastprep.io/problems/amazon-find-k-level-permutation)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-k-level-permutation)| Jun 02, 2024 | +| **Salesforce** |[Winning Square](https://www.fastprep.io/problems/salesforce-construct-winning-sequence)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-construct-winning-sequence)| Jun 02, 2024 | +| **Google** |[Max Subarray Filled with Zeros](https://www.fastprep.io/problems/google-max-subarray-filled-with-zeros)|[![Practice][p]](https://www.fastprep.io/problems/google-max-subarray-filled-with-zeros)| Jun 02, 2024 | +| **Google** |[Find Last Characters](https://www.fastprep.io/problems/google-find-last-character)|[![Practice][p]](https://www.fastprep.io/problems/google-find-last-character)| Jun 02, 2024 | +| **Microsoft** |[Longest Spike](https://www.fastprep.io/problems/microsoft-the-longest-spike)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-the-longest-spike)| Jun 02, 2024 | +| **Google** |[Find Min Possible Diameter](https://www.fastprep.io/problems/google-find-minimum-possible-diameter)|[![Practice][p]](https://www.fastprep.io/problems/google-find-minimum-possible-diameter)| May 31, 2024 | +| **Google** |[Search Suggestions System](https://www.fastprep.io/problems/1.google-search-suggestions-system)|[![Practice][p]](https://www.fastprep.io/problems/1.google-search-suggestions-system)| May 25, 2024 | +| **Google** |[Minimum Flips to Alternate Binary String (With K Flip Window)](https://www.fastprep.io/problems/1.google-minimum-flips-to-alternate-binary-string)|[![Practice][p]](https://www.fastprep.io/problems/1.google-minimum-flips-to-alternate-binary-string)| May 25, 2024 | +| **Google** |[Generate Pattern Matching Strings](https://www.fastprep.io/problems/google-generate-pattern-matching-strings)|[![Practice][p]](https://www.fastprep.io/problems/google-generate-pattern-matching-strings)| May 25, 2024 | +| **Goldman Sachs** |[Find the Damaged Toy](https://www.fastprep.io/problems/goldman-find-the-damaged-toy)|[![Practice][p]](https://www.fastprep.io/problems/goldman-find-the-damaged-toy)| May 25, 2024 | +| **Goldman Sachs** |[Encode or Decode Message](https://www.fastprep.io/problems/goldman-encode-or-decode-message)|[![Practice][p]](https://www.fastprep.io/problems/goldman-encode-or-decode-message)| May 25, 2024 | +| **Cisco** |[Flight Path Package Drop](https://www.fastprep.io/problems/cisco-maximum-drop-points-cover)|[![Practice][p]](https://www.fastprep.io/problems/cisco-maximum-drop-points-cover)| May 25, 2024 | +| **Postman** |[Encode and Decode a String Stream](https://www.fastprep.io/problems/postman-transform-string-stream)|[![Practice][p]](https://www.fastprep.io/problems/postman-transform-string-stream)| May 17, 2024 | +| **Amazon** |[Get Experience](https://www.fastprep.io/problems/amazon-get-exp)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-exp)| May 13, 2024 | +| **Uber** |[Maximize XOR for Each Query](https://www.fastprep.io/problems/uber-maximum-xor-for-each-query)|[![Practice][p]](https://www.fastprep.io/problems/uber-maximum-xor-for-each-query)| May 13, 2024 | +| **Microsoft** |[Find Min Num Moves](https://www.fastprep.io/problems/microsoft-find-min-num-moves)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-find-min-num-moves)| May 13, 2024 | +| **Flexport** |[Count Good Subsequence](https://www.fastprep.io/problems/flexport-count-good-subsequences)|[![Practice][p]](https://www.fastprep.io/problems/flexport-count-good-subsequences)| May 13, 2024 | +| **Flexport** |[Throw the Ball](https://www.fastprep.io/problems/flexport-throw-the-ball)|[![Practice][p]](https://www.fastprep.io/problems/flexport-throw-the-ball)| May 13, 2024 | +| **DE Shaw** |[Get Min Cost](https://www.fastprep.io/problems/deshaw-get-minimum-cost)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-get-minimum-cost)| May 10, 2024 | +| **DE Shaw** |[Find Num of Interesting Pairs](https://www.fastprep.io/problems/deshaw-find-number-of-interesting-pairs)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-find-number-of-interesting-pairs)| May 10, 2024 | +| **Meta** |[ All About Cave ](https://www.fastprep.io/problems/mt-cave)|[![Practice][p]](https://www.fastprep.io/problems/mt-cave)| May 06, 2024 | +| **Amazon** |[Ordered Confirguration](https://www.fastprep.io/problems/amazon-orda-layout)|[![Practice][p]](https://www.fastprep.io/problems/amazon-orda-layout)| May 04, 2024 | +| **Microsoft** |[Assign Value](https://www.fastprep.io/problems/microsoft-assign-values)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-assign-values)| May 04, 2024 | +| **Microsoft** |[Construct Max Balanced Circle](https://www.fastprep.io/problems/microsoft-construct-maximum-balanced-circle)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-construct-maximum-balanced-circle)| May 04, 2024 | +| **Microsoft** |[Find Suitable Locations](https://www.fastprep.io/problems/findSuitableLocations-microsoft)|[![Practice][p]](https://www.fastprep.io/problems/findSuitableLocations-microsoft)| May 04, 2024 | +| **IBM** |[Get Optimal String Length](https://www.fastprep.io/problems/ibm-get-optimal-string-length)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-optimal-string-length)| Apr 27, 2024 | +| **DE Shaw** |[Maximum Size Subarray Sum](https://www.fastprep.io/problems/deshaw-maximum-size-subarray-sum)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-maximum-size-subarray-sum)| Apr 27, 2024 | +| **Nutanix** |[Minimum Operations to Convert Array](https://www.fastprep.io/problems/nutanix-minimum-operations-to-convert-array)|[![Practice][p]](https://www.fastprep.io/problems/nutanix-minimum-operations-to-convert-array)| Apr 27, 2024 | +| **Canva** |[Character Reprogramming](https://www.fastprep.io/problems/canva-character-reprogramming)|[![Practice][p]](https://www.fastprep.io/problems/canva-character-reprogramming)| Apr 27, 2024 | +| **Canva** |[Order Check](https://www.fastprep.io/problems/canva-count-students)|[![Practice][p]](https://www.fastprep.io/problems/canva-count-students)| Apr 27, 2024 | +| **Canva** |[Counting Binary Substrings](https://www.fastprep.io/problems/canva-counting)|[![Practice][p]](https://www.fastprep.io/problems/canva-counting)| Apr 27, 2024 | +| **SpaceX** |[Starlink Beam Planner](https://www.fastprep.io/problems/spacex-starlink-beam-planner)|[![Practice][p]](https://www.fastprep.io/problems/spacex-starlink-beam-planner)| Apr 25, 2024 | +| **TikTok** |[Maximum Shown Segments](https://www.fastprep.io/problems/tiktok-max-shown-segments)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-max-shown-segments)| Apr 23, 2024 | +| **Snowflake** |[Airport Limousine](https://www.fastprep.io/problems/snowflake-maximum-passengers-collected)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-maximum-passengers-collected)| Apr 22, 2024 | +| **Snowflake** |[Task Master](https://www.fastprep.io/problems/1.snowflake-tasks)|[![Practice][p]](https://www.fastprep.io/problems/1.snowflake-tasks)| Apr 21, 2024 | +| **DE Shaw** |[Calculate Region](https://www.fastprep.io/problems/deshaw-calculate-total-region)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-calculate-total-region)| Apr 20, 2024 | +| **DE Shaw** |[Perfect Break](https://www.fastprep.io/problems/deshaw-perfect-break)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-perfect-break)| Apr 19, 2024 | +| **JP Morgan** |[Find Min Cost](https://www.fastprep.io/problems/jpmorgan-find-minimum-cost)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-find-minimum-cost)| Apr 16, 2024 | +| **Microsoft** |[Min Str without Reapting Chars](https://www.fastprep.io/problems/microsoft-minimum-substrings-without-repeating-characters)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-minimum-substrings-without-repeating-characters)| Apr 16, 2024 | +| **Microsoft** |[Frog Game](https://www.fastprep.io/problems/microsoft-frog-game)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-frog-game)| Apr 16, 2024 | +| **Wayfair** |[Smash Bricks](https://www.fastprep.io/problems/wayfair-smash-the-bricks)|[![Practice][p]](https://www.fastprep.io/problems/wayfair-smash-the-bricks)| Apr 16, 2024 | +| **Wayfair** |[Validate Magical Binary String](https://www.fastprep.io/problems/wayfair-validating-magical-binary-strings-with-regex)|[![Practice][p]](https://www.fastprep.io/problems/wayfair-validating-magical-binary-strings-with-regex)| Apr 16, 2024 | +| **Nutanix** |[No Adjacent Characters](https://www.fastprep.io/problems/nutanix-no-adjacent-characters)|[![Practice][p]](https://www.fastprep.io/problems/nutanix-no-adjacent-characters)| Apr 16, 2024 | +| **Amazon** |[Find Median Of Subarray Uniqueness](https://www.fastprep.io/problems/find-median-of-subarray-uniqueness)|[![Practice][p]](https://www.fastprep.io/problems/find-median-of-subarray-uniqueness)| Apr 15, 2024 | +| **Amazon** |[Max Negation](https://www.fastprep.io/problems/amazon-maximize-the-array-sum-after-negating-at-most-k-elements)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximize-the-array-sum-after-negating-at-most-k-elements)| Apr 12, 2024 | +| **Amazon** |[Get Min Time](https://www.fastprep.io/problems/amazon-get-min-time)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-time)| Apr 12, 2024 | +| **Amazon** |[Kth Smallest in Subarray](https://www.fastprep.io/problems/amazon-kth-smallest-in-subarray)|[![Practice][p]](https://www.fastprep.io/problems/amazon-kth-smallest-in-subarray)| Apr 12, 2024 | +| **Amazon** |[Get K Rep Value](https://www.fastprep.io/problems/1.amazon-get-k-rep-value)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-k-rep-value)| Apr 12, 2024 | +| **Amazon** |[Get Max Pairs](https://www.fastprep.io/problems/amazon-get-max-pairs)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-pairs)| Apr 12, 2024 | +| **Amazon** |[Count Pairs](https://www.fastprep.io/problems/amazon-count-pairs)|[![Practice][p]](https://www.fastprep.io/problems/amazon-count-pairs)| Apr 12, 2024 | +| **JP Morgan** |[Max Information](https://www.fastprep.io/problems/jpmorgan-maximum-information)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-maximum-information)| Apr 10, 2024 | +| **JP Morgan** |[Num of Pairs](https://www.fastprep.io/problems/jpmorgan-find-num-of-pairs)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-find-num-of-pairs)| Apr 10, 2024 | +| **TikTok** |[Max Engagement](https://www.fastprep.io/problems/tiktok-find-maximum-engagement)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-find-maximum-engagement)| Apr 10, 2024 | +| **MathWorks** |[Max Operations](https://www.fastprep.io/problems/mathwork-maximum-number-of-operations-on-string)|[![Practice][p]](https://www.fastprep.io/problems/mathwork-maximum-number-of-operations-on-string)| Apr 10, 2024 | +| **MathWorks** |[Max Even Sum Subsequence](https://www.fastprep.io/problems/mathwork-maximum-even-sum-subsequence)|[![Practice][p]](https://www.fastprep.io/problems/mathwork-maximum-even-sum-subsequence)| Apr 10, 2024 | +| **MathWorks** |[Find Min Possible Size](https://www.fastprep.io/problems/mathwork-find-minimum-possible-size)|[![Practice][p]](https://www.fastprep.io/problems/mathwork-find-minimum-possible-size)| Apr 10, 2024 | +| **Amazon** |[Channel Max Quality](https://www.fastprep.io/problems/amazon-calculate-median-sum)|[![Practice][p]](https://www.fastprep.io/problems/amazon-calculate-median-sum)| Apr 09, 2024 | +| **Amazon** |[Num of Idle Robots 🐳](https://www.fastprep.io/problems/1.amazon-num-idle-drives)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-num-idle-drives)| Apr 08, 2024 | +| **Barclays** |[Mim Steps Required](https://www.fastprep.io/problems/barclay-minimum-steps-required)|[![Practice][p]](https://www.fastprep.io/problems/barclay-minimum-steps-required)| Apr 08, 2024 | +| **Confluent** |[Get Best Price](https://www.fastprep.io/problems/confluent-get-best-price)|[![Practice][p]](https://www.fastprep.io/problems/confluent-get-best-price)| Apr 08, 2024 | +| **Amazon** |[Find Earliest Month](https://www.fastprep.io/problems/1.amazon-find-earliest-month)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-earliest-month)| Apr 07, 2024 | +| **Amazon** |[Get Max Points from Sprints](https://www.fastprep.io/problems/1.get-max-points-from-sprints)|[![Practice][p]](https://www.fastprep.io/problems/1.get-max-points-from-sprints)| Apr 07, 2024 | +| **Amazon** |[Max Lucky Numbers](https://www.fastprep.io/problems/max-lucky-numbers)|[![Practice][p]](https://www.fastprep.io/problems/max-lucky-numbers)| Apr 07, 2024 | +| **Amazon** |[Max Total Area](https://www.fastprep.io/problems/1.amazon-get-max-total-area)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-max-total-area)| Apr 07, 2024 | +| **Infosys** |[Find Num of Good Subsequences](https://www.fastprep.io/problems/infosys-find-number-of-good-subsequences)|[![Practice][p]](https://www.fastprep.io/problems/infosys-find-number-of-good-subsequences)| Apr 07, 2024 | +| **Microsoft** |[Max Sum After Merges](https://www.fastprep.io/problems/microsoft-maximum-sum-after-merges)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximum-sum-after-merges)| Apr 07, 2024 | +| **Amazon** |[Minimum Operations to Make Array Elements Zero ](https://www.fastprep.io/problems/1.amazon-minimum-operations-to-make-array-elements-zero)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-minimum-operations-to-make-array-elements-zero)| Apr 06, 2024 | +| **Amazon** |[Find Kth Minimum Vulnerability ](https://www.fastprep.io/problems/amazon-find-kth-minimum-vulnerability)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-kth-minimum-vulnerability)| Apr 05, 2024 | +| **MathWorks** |[Max Beauty](https://www.fastprep.io/problems/mathwork-maximize-beauty)|[![Practice][p]](https://www.fastprep.io/problems/mathwork-maximize-beauty)| Apr 05, 2024 | +| **MathWorks** |[Investable Periods](https://www.fastprep.io/problems/mathwork-count-investable-periods)|[![Practice][p]](https://www.fastprep.io/problems/mathwork-count-investable-periods)| Apr 05, 2024 | +| **Alarm.com** |[Arrange Coins](https://www.fastprep.io/problems/alarm-arrange-coins)|[![Practice][p]](https://www.fastprep.io/problems/alarm-arrange-coins)| Apr 05, 2024 | +| **Alarm.com** |[Days Since Last Login](https://www.fastprep.io/problems/alarm-days-since-last-login)|[![Practice][p]](https://www.fastprep.io/problems/alarm-days-since-last-login)| Apr 05, 2024 | +| **Amazon** |[Max Aggregate Temp Change](https://www.fastprep.io/problems/amazon-get-max-aggregate-temperature-change)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-aggregate-temperature-change)| Mar 31, 2024 | +| **Google** |[Min Flips](https://www.fastprep.io/problems/google-min-flips-make-grid-palindrome)|[![Practice][p]](https://www.fastprep.io/problems/google-min-flips-make-grid-palindrome)| Mar 31, 2024 | +| **Google** |[Mnimize Total Time](https://www.fastprep.io/problems/google-minimize-total-time)|[![Practice][p]](https://www.fastprep.io/problems/google-minimize-total-time)| Mar 31, 2024 | +| **Infosys** |[Unique Elements After Modification](https://www.fastprep.io/problems/infosys-number-of-unique-elements-after-modifications)|[![Practice][p]](https://www.fastprep.io/problems/infosys-number-of-unique-elements-after-modifications)| Mar 31, 2024 | +| **IBM** |[Latest K Requests](https://www.fastprep.io/problems/ibm-get-latest-k-requests)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-latest-k-requests)| Mar 31, 2024 | +| **Microsoft** |[Handmade Items](https://www.fastprep.io/problems/microsoft-handmade-item)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-handmade-item)| Mar 31, 2024 | +| **Microsoft** |[Cover Hotels](https://www.fastprep.io/problems/microsoft-cover-holes)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-cover-holes)| Mar 31, 2024 | +| **Google** |[Nearest Value Replacement](https://www.fastprep.io/problems/google-nearest-value-replacement)|[![Practice][p]](https://www.fastprep.io/problems/google-nearest-value-replacement)| Mar 29, 2024 | +| **Amazon** |[Merge Interval](https://www.fastprep.io/problems/amazon-merge-intervals)|[![Practice][p]](https://www.fastprep.io/problems/amazon-merge-intervals)| Mar 28, 2024 | +| **Google** |[Min Operations](https://www.fastprep.io/problems/google-minimum-number-of-split-operations-to-make-array-sorted)|[![Practice][p]](https://www.fastprep.io/problems/google-minimum-number-of-split-operations-to-make-array-sorted)| Mar 28, 2024 | +| **SpaceX** |[Monster Registry](https://www.fastprep.io/problems/spacex-monster-registry)|[![Practice][p]](https://www.fastprep.io/problems/spacex-monster-registry)| Mar 28, 2024 | +| **Amazon** |[Maximize Negative PNL Months](https://www.fastprep.io/problems/1.amazon-maximize-negative-pnl_months)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-maximize-negative-pnl_months)| Mar 27, 2024 | +| **Amazon** |[Reduce Gifts](https://www.fastprep.io/problems/1.amazon-reduce-gifts)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-reduce-gifts)| Mar 27, 2024 | +| **Google** |[Can Fit Word](https://www.fastprep.io/problems/google-can-fit-the-word)|[![Practice][p]](https://www.fastprep.io/problems/google-can-fit-the-word)| Mar 27, 2024 | +| **TikTok** |[Server Investment](https://www.fastprep.io/problems/tiktok-maximize-upgraded-servers)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-maximize-upgraded-servers)| Mar 27, 2024 | +| **TikTok** |[Auth System](https://www.fastprep.io/problems/tiktok-get-unexpired-tokens)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-get-unexpired-tokens)| Mar 27, 2024 | +| **Salesforce** |[Plan Cut](https://www.fastprep.io/problems/salesforce-plan-cuts)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-plan-cuts)| Mar 26, 2024 | +| **Google** |[Is Balanced String](https://www.fastprep.io/problems/google-is-balanced-string)|[![Practice][p]](https://www.fastprep.io/problems/google-is-balanced-string)| Mar 26, 2024 | +| **Cisco** |[Check Alphabetical Order](https://www.fastprep.io/problems/cisco-check-alphabetical-order)|[![Practice][p]](https://www.fastprep.io/problems/cisco-check-alphabetical-order)| Mar 26, 2024 | +| **Cisco** |[Find Number](https://www.fastprep.io/problems/cisco-find-number)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-number)| Mar 26, 2024 | +| **Cisco** |[Longest Palindrome](https://www.fastprep.io/problems/cisco-find-longest-palindromic-substring)|[![Practice][p]](https://www.fastprep.io/problems/cisco-find-longest-palindromic-substring)| Mar 26, 2024 | +| **Paypal** |[Min Operations](https://www.fastprep.io/problems/paypal-count-minimum-operations)|[![Practice][p]](https://www.fastprep.io/problems/paypal-count-minimum-operations)| Mar 26, 2024 | +| **Paypal** |[User Logins](https://www.fastprep.io/problems/paypal-count-user-logins)|[![Practice][p]](https://www.fastprep.io/problems/paypal-count-user-logins)| Mar 26, 2024 | +| **Uber** |[Output All Possible Strings](https://www.fastprep.io/problems/uber-output-all-possible-strings)|[![Practice][p]](https://www.fastprep.io/problems/uber-output-all-possible-strings)| Mar 25, 2024 | +| **Uber** |[Generate Arrays](https://www.fastprep.io/problems/uber-generate-array)|[![Practice][p]](https://www.fastprep.io/problems/uber-generate-array)| Mar 25, 2024 | +| **Uber** |[Top 2 Teams](https://www.fastprep.io/problems/uber-find-top-two-teams)|[![Practice][p]](https://www.fastprep.io/problems/uber-find-top-two-teams)| Mar 25, 2024 | +| **TikTok** |[Maximize Consecutive Dance Moves](https://www.fastprep.io/problems/tiktok-maximize-consecutive-dance-moves)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-maximize-consecutive-dance-moves)| Mar 25, 2024 | +| **Salesforce** |[Find Longest Subsequence Common To X As Substring In Y](https://www.fastprep.io/problems/salesforce-find-longest-subsequence-common-to-x-as-substring-in-y)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-find-longest-subsequence-common-to-x-as-substring-in-y)| Mar 23, 2024 | +| **Salesforce** |[Find Word sNot In Subsequence](https://www.fastprep.io/problems/salesforce-find-words-in-string-not-in-subsequence)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-find-words-in-string-not-in-subsequence)| Mar 23, 2024 | +| **Salesforce** |[Tool Changer](https://www.fastprep.io/problems/salesforce-split-array-largest-sum)|[![Practice][p]](https://www.fastprep.io/problems/salesforce-split-array-largest-sum)| Mar 22, 2024 | +| **Google** |[Find Max Length of Subsequence](https://www.fastprep.io/problems/google-find-max-length-of-subsequence)|[![Practice][p]](https://www.fastprep.io/problems/google-find-max-length-of-subsequence)| Mar 22, 2024 | +| **Trade Desk** |[Narrative Words](https://www.fastprep.io/problems/tdesk-narrative-words)|[![Practice][p]](https://www.fastprep.io/problems/tdesk-narrative-words)| Mar 21, 2024 | +| **Trade Desk** |[Last to Be Checked](https://www.fastprep.io/problems/tdesk-last-to-be-checked)|[![Practice][p]](https://www.fastprep.io/problems/tdesk-last-to-be-checked)| Mar 21, 2024 | +| **Trade Desk** |[Buddies Greater Than Target](https://www.fastprep.io/problems/tdesk-buddies-greater-than-threshold)|[![Practice][p]](https://www.fastprep.io/problems/tdesk-buddies-greater-than-threshold)| Mar 21, 2024 | +| **Trade Desk** |[Earn The Most](https://www.fastprep.io/problems/tdesk-about-profit)|[![Practice][p]](https://www.fastprep.io/problems/tdesk-about-profit)| Mar 21, 2024 | +| **Trade Desk** |[Light Sources](https://www.fastprep.io/problems/tdesk-about-lamps)|[![Practice][p]](https://www.fastprep.io/problems/tdesk-about-lamps)| Mar 21, 2024 | +| **Trade Desk** |[Flights](https://www.fastprep.io/problems/tdesk-flights)|[![Practice][p]](https://www.fastprep.io/problems/tdesk-flights)| Mar 21, 2024 | +| **Trade Desk** |[Friend List](https://www.fastprep.io/problems/tdesk-friend-list)|[![Practice][p]](https://www.fastprep.io/problems/tdesk-friend-list)| Mar 21, 2024 | +| **DoorDash** |[Find Different Value](https://www.fastprep.io/problems/doordash-find-difference-value)|[![Practice][p]](https://www.fastprep.io/problems/doordash-find-difference-value)| Mar 20, 2024 | +| **IBM** |[Elementary School](https://www.fastprep.io/problems/ibm-elementary-school)|[![Practice][p]](https://www.fastprep.io/problems/ibm-elementary-school)| Mar 20, 2024 | +| **Goldman Sachs** |[Find Niceness](https://www.fastprep.io/problems/goldman-find-niceness)|[![Practice][p]](https://www.fastprep.io/problems/goldman-find-niceness)| Mar 20, 2024 | +| **IXL Learning** |[Card Packets](https://www.fastprep.io/problems/ixl-card-packets)|[![Practice][p]](https://www.fastprep.io/problems/ixl-card-packets)| Mar 20, 2024 | +| **IXL Learning** |[Count Max](https://www.fastprep.io/problems/ixl-count-max)|[![Practice][p]](https://www.fastprep.io/problems/ixl-count-max)| Mar 20, 2024 | +| **IXL Learning** |[Get Min Difference](https://www.fastprep.io/problems/ixl-get-minimum-difference)|[![Practice][p]](https://www.fastprep.io/problems/ixl-get-minimum-difference)| Mar 20, 2024 | +| **IXL Learning** |[Prison](https://www.fastprep.io/problems/ixl-prison)|[![Practice][p]](https://www.fastprep.io/problems/ixl-prison)| Mar 20, 2024 | +| **Amazon** |[Count Faults (Faulty Binding 101 😁)](https://www.fastprep.io/problems/amazon-count-faults)|[![Practice][p]](https://www.fastprep.io/problems/amazon-count-faults)| Mar 19, 2024 | +| **Amazon** |[Find Max Num](https://www.fastprep.io/problems/amazon-find-maximum-num)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-maximum-num)| Mar 19, 2024 | +| **Wolverine Trading** |[Count Operations](https://www.fastprep.io/problems/wolverine-trading-count-operations)|[![Practice][p]](https://www.fastprep.io/problems/wolverine-trading-count-operations)| Mar 19, 2024 | +| **Wolverine Trading** |[Encode](https://www.fastprep.io/problems/wolverine-trading-decode)|[![Practice][p]](https://www.fastprep.io/problems/wolverine-trading-decode)| Mar 19, 2024 | +| **Wolverine Trading** |[Max Shared](https://www.fastprep.io/problems/wolverine-trading-max-shared)|[![Practice][p]](https://www.fastprep.io/problems/wolverine-trading-max-shared)| Mar 19, 2024 | +| **Amazon** |[Minimize Sum of Absolute Differences](https://www.fastprep.io/problems/amazon-minimize-sum-of-absolute-differences)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimize-sum-of-absolute-differences)| Mar 18, 2024 | +| **DoorDash** |[Adjust Prices](https://www.fastprep.io/problems/doordash-adjust-prices)|[![Practice][p]](https://www.fastprep.io/problems/doordash-adjust-prices)| Mar 18, 2024 | +| **Two Sigma** |[Num to Be Divided by N](https://www.fastprep.io/problems/ts-nums-that-can-be-divided-by-n)|[![Practice][p]](https://www.fastprep.io/problems/ts-nums-that-can-be-divided-by-n)| Mar 18, 2024 | +| **Two Sigma** |[Replacing Val](https://www.fastprep.io/problems/ts-replacing-num)|[![Practice][p]](https://www.fastprep.io/problems/ts-replacing-num)| Mar 18, 2024 | +| **Microsoft** |[Prepare Notification](https://www.fastprep.io/problems/microsoft-prepare-notification)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-prepare-notification)| Mar 18, 2024 | +| **Microsoft** |[Side Largest Square](https://www.fastprep.io/problems/microsoft-side-largest-square)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-side-largest-square)| Mar 18, 2024 | +| **Microsoft** |[Str with Longgest Len](https://www.fastprep.io/problems/microsoft-str-with-longest-len)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-str-with-longest-len)| Mar 18, 2024 | +| **Geneva Trading** |[Min Num of Permutation Operations](https://www.fastprep.io/problems/geneva-trading-minimum-number-of-permutation-operations)|[![Practice][p]](https://www.fastprep.io/problems/geneva-trading-minimum-number-of-permutation-operations)| Mar 18, 2024 | +| **ServiceNow** |[Max Sum of Balanced Sequence](https://www.fastprep.io/problems/service-now-maximum-sum-of-balanced-subsequence)|[![Practice][p]](https://www.fastprep.io/problems/service-now-maximum-sum-of-balanced-subsequence)| Mar 18, 2024 | +| **ServiceNow** |[Find Max Min Val Using K Elements](https://www.fastprep.io/problems/service-now-find-max-minimum-value-using-k-elements)|[![Practice][p]](https://www.fastprep.io/problems/service-now-find-max-minimum-value-using-k-elements)| Mar 18, 2024 | +| **General Motors** |[Prepare Notification](https://www.fastprep.io/problems/general-motors-prepare-notification)|[![Practice][p]](https://www.fastprep.io/problems/general-motors-prepare-notification)| Mar 17, 2024 | +| **General Motors** |[Smallest But Greater](https://www.fastprep.io/problems/gms-find-the-tinest-greater-than-a-specifc-num)|[![Practice][p]](https://www.fastprep.io/problems/gms-find-the-tinest-greater-than-a-specifc-num)| Mar 17, 2024 | +| **Microsoft** |[Cleaning Bot (Microsoft India)](https://www.fastprep.io/problems/microsoft-cleaning-bot)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-cleaning-bot)| Mar 16, 2024 | +| **Morgan Stanley** |[Get Subsequence Count](https://www.fastprep.io/problems/stanley-get-subsequence-count)|[![Practice][p]](https://www.fastprep.io/problems/stanley-get-subsequence-count)| Mar 16, 2024 | +| **Amazon** |[Find Overlapping Times](https://www.fastprep.io/problems/1.amazon-find-overlapping-times)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-overlapping-times)| Mar 15, 2024 | +| **Amazon** |[Match Strings](https://www.fastprep.io/problems/amazon-match-strings)|[![Practice][p]](https://www.fastprep.io/problems/amazon-match-strings)| Mar 14, 2024 | +| **DoorDash** |[Sizes of Friend Groups](https://www.fastprep.io/problems/doordash-get-sizes-of-friends-groups)|[![Practice][p]](https://www.fastprep.io/problems/doordash-get-sizes-of-friends-groups)| Mar 14, 2024 | +| **TikTok** |[Minimum Buckets](https://www.fastprep.io/problems/tiktok-minimum-buckets)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-minimum-buckets)| Mar 13, 2024 | +| **TikTok** |[URL Hashing](https://www.fastprep.io/problems/tiktok-url-hashing)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-url-hashing)| Mar 13, 2024 | +| **TikTok** |[Three Knights](https://www.fastprep.io/problems/tiktok-find-the-number-of-possible-placements-for-the-three-knights)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-find-the-number-of-possible-placements-for-the-three-knights)| Mar 13, 2024 | +| **IBM** |[Arr Subsets](https://www.fastprep.io/problems/ibm-subset-a)|[![Practice][p]](https://www.fastprep.io/problems/ibm-subset-a)| Mar 13, 2024 | +| **IBM** |[Table of Contents](https://www.fastprep.io/problems/ibm-table-of-contents)|[![Practice][p]](https://www.fastprep.io/problems/ibm-table-of-contents)| Mar 13, 2024 | +| **Amazon** |[Num of Possible Unique Strings](https://www.fastprep.io/problems/amazon-find-number-of-possible-unique-strings)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-number-of-possible-unique-strings)| Mar 12, 2024 | +| **Amazon** |[Find Encrypted Password](https://www.fastprep.io/problems/amazon-find-encrypted-password)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-encrypted-password)| Mar 12, 2024 | +| **Amazon** |[Maximum Number of Balanced Shipments](https://www.fastprep.io/problems/1.amazon-maximum-number-of-shipments)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-maximum-number-of-shipments)| Mar 09, 2024 | +| **Amazon** |[Lexicographically Smallest Palindrome Possible](https://www.fastprep.io/problems/amazon-lexicographically-smallest-palindrome-possible)|[![Practice][p]](https://www.fastprep.io/problems/amazon-lexicographically-smallest-palindrome-possible)| Mar 09, 2024 | +| **Amazon** |[Find Min Pages Per Day](https://www.fastprep.io/problems/1.find-minimum-pages-per-day)|[![Practice][p]](https://www.fastprep.io/problems/1.find-minimum-pages-per-day)| Mar 09, 2024 | +| **IBM** |[Get Potential of Winners](https://www.fastprep.io/problems/ibm-get-potential-of-winner)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-potential-of-winner)| Mar 09, 2024 | +| **DE Shaw** |[Cop](https://www.fastprep.io/problems/deshaw-min-acquire-cost)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-min-acquire-cost)| Mar 09, 2024 | +| **Atlassian** |[Flower Bouquets](https://www.fastprep.io/problems/atlanssian-flower-bouquets)|[![Practice][p]](https://www.fastprep.io/problems/atlanssian-flower-bouquets)| Mar 09, 2024 | +| **Atlassian** |[Better Compression](https://www.fastprep.io/problems/atlanssian-better-compression)|[![Practice][p]](https://www.fastprep.io/problems/atlanssian-better-compression)| Mar 09, 2024 | +| **Atlassian** |[Romanizer](https://www.fastprep.io/problems/atlanssian-romanizer)|[![Practice][p]](https://www.fastprep.io/problems/atlanssian-romanizer)| Mar 09, 2024 | +| **Braze** |[Find Lowest Price](https://www.fastprep.io/problems/braze-find-lowest-price)|[![Practice][p]](https://www.fastprep.io/problems/braze-find-lowest-price)| Mar 09, 2024 | +| **Zscaler** |[Count Sentences](https://www.fastprep.io/problems/zscaler-count-sentences)|[![Practice][p]](https://www.fastprep.io/problems/zscaler-count-sentences)| Mar 09, 2024 | +| **Google** |[Largest Lexicographical Substring](https://www.fastprep.io/problems/google-largest-lexicographical-substring)|[![Practice][p]](https://www.fastprep.io/problems/google-largest-lexicographical-substring)| Mar 05, 2024 | +| **Google** |[Maximize Power Values Sum](https://www.fastprep.io/problems/google-maximize-power-values-sum)|[![Practice][p]](https://www.fastprep.io/problems/google-maximize-power-values-sum)| Mar 05, 2024 | +| **Amazon** |[Ways to Group Parcels](https://www.fastprep.io/problems/amazon-find-number-of-ways-to-group-parcels)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-number-of-ways-to-group-parcels)| Mar 04, 2024 | +| **IBM** |[Find Max Distinct Items](https://www.fastprep.io/problems/ibm-find-max-distinct-items)|[![Practice][p]](https://www.fastprep.io/problems/ibm-find-max-distinct-items)| Mar 04, 2024 | +| **Amazon** |[Maxmimum Times Word Removed](https://www.fastprep.io/problems/amazon-maximum-times-word-removed)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-times-word-removed)| Mar 03, 2024 | +| **Amazon** |[Reverse Binary String](https://www.fastprep.io/problems/amazon-reverse-binary-string)|[![Practice][p]](https://www.fastprep.io/problems/amazon-reverse-binary-string)| Mar 02, 2024 | +| **Amazon** |[Increase Solar Powered Light Bulbs](https://www.fastprep.io/problems/1.amazon-maximize-solar-powered-bulbs)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-maximize-solar-powered-bulbs)| Mar 02, 2024 | +| **Amazon** |[Return Records](https://www.fastprep.io/problems/amazon-return-records)|[![Practice][p]](https://www.fastprep.io/problems/amazon-return-records)| Mar 02, 2024 | +| **Snowflake** |[Max Freq Substr](https://www.fastprep.io/problems/snowflake-max-freq-substr)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-max-freq-substr)| Mar 02, 2024 | +| **DE Shaw** |[Min Operations to Make Array Equal](https://www.fastprep.io/problems/deshaw-minimum-operations-to-make-array-equal)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-minimum-operations-to-make-array-equal)| Mar 02, 2024 | +| **IMC** |[Find Best Path](https://www.fastprep.io/problems/imc-find-best-path)|[![Practice][p]](https://www.fastprep.io/problems/imc-find-best-path)| Mar 02, 2024 | +| **IMC** |[Asteroid Game](https://www.fastprep.io/problems/imc-asteroid-game)|[![Practice][p]](https://www.fastprep.io/problems/imc-asteroid-game)| Mar 02, 2024 | +| **Barclays** |[Find Maximum Possible GCD](https://www.fastprep.io/problems/barclay-find-maximum-possible-gcd)|[![Practice][p]](https://www.fastprep.io/problems/barclay-find-maximum-possible-gcd)| Mar 02, 2024 | +| **Weride** |[Checking Your Route](https://www.fastprep.io/problems/weride-checking-your-route)|[![Practice][p]](https://www.fastprep.io/problems/weride-checking-your-route)| Mar 02, 2024 | +| **Amazon** |[Count Max Greyness](https://www.fastprep.io/problems/1.amazon-get-max-grayness)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-max-grayness)| Mar 01, 2024 | +| **Amazon** |[Find Min Keypad Click Count (also for CN)](https://www.fastprep.io/problems/2.amazon-find-minimum-keypad-click-count)|[![Practice][p]](https://www.fastprep.io/problems/2.amazon-find-minimum-keypad-click-count)| Feb 29, 2024 | +| **Infosys** |[Obtain Max Score Using Min Swaps](https://www.fastprep.io/problems/infosys-obtain-maximum-score-using-minimum-swaps)|[![Practice][p]](https://www.fastprep.io/problems/infosys-obtain-maximum-score-using-minimum-swaps)| Feb 29, 2024 | +| **Intuit** |[Smart Gardener (Intuit India)](https://www.fastprep.io/problems/intuit-optimize-watering-cost)|[![Practice][p]](https://www.fastprep.io/problems/intuit-optimize-watering-cost)| Feb 29, 2024 | +| **Microsoft** |[Find Array Uniqueness Median](https://www.fastprep.io/problems/microsoft-find-array-uniqueness-median)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-find-array-uniqueness-median)| Feb 29, 2024 | +| **Microsoft** |[Count Similar Substrings](https://www.fastprep.io/problems/microsoft-count-similar-substrings)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-count-similar-substrings)| Feb 29, 2024 | +| **Observer.AI** |[Choose Best Flask](https://www.fastprep.io/problems/observerai-choose-the-best-flask)|[![Practice][p]](https://www.fastprep.io/problems/observerai-choose-the-best-flask)| Feb 29, 2024 | +| **Amazon** |[Find Min Operations](https://www.fastprep.io/problems/1.amazon-find-minimum-operations)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-find-minimum-operations)| Feb 28, 2024 | +| **Walmart** |[Longest Good Sequence](https://www.fastprep.io/problems/walmart-find-length-of-longest-good-subsequence)|[![Practice][p]](https://www.fastprep.io/problems/walmart-find-length-of-longest-good-subsequence)| Feb 28, 2024 | +| **Meta** |[ Combine Vectors(MLE)](https://www.fastprep.io/problems/mt-combine-two-vectors-of-intervals)|[![Practice][p]](https://www.fastprep.io/problems/mt-combine-two-vectors-of-intervals)| Feb 28, 2024 | +| **Hudson River Trading** |[Harvest Crops](https://www.fastprep.io/problems/hudsonriver-harvest-crops)|[![Practice][p]](https://www.fastprep.io/problems/hudsonriver-harvest-crops)| Feb 28, 2024 | +| **TikTok** |[Find min Inversions](https://www.fastprep.io/problems/tiktok-find-min-inversions)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-find-min-inversions)| Feb 28, 2024 | +| **TikTok** |[Max Len](https://www.fastprep.io/problems/tiktok-max-length)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-max-length)| Feb 28, 2024 | +| **TikTok** |[Find Min Sum](https://www.fastprep.io/problems/tiktok-find-minimum-sum)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-find-minimum-sum)| Feb 28, 2024 | +| **Citadel** |[Min Equal Sum](https://www.fastprep.io/problems/citadel-find-minimum-equal-sum)|[![Practice][p]](https://www.fastprep.io/problems/citadel-find-minimum-equal-sum)| Feb 28, 2024 | +| **IBM** |[Total Execution Time](https://www.fastprep.io/problems/ibm-get-total-execution-time)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-total-execution-time)| Feb 28, 2024 | +| **Goldman Sachs** |[Min Start Value](https://www.fastprep.io/problems/goldman-min-start)|[![Practice][p]](https://www.fastprep.io/problems/goldman-min-start)| Feb 28, 2024 | +| **Flexport** |[Get Expression Sums](https://www.fastprep.io/problems/flexport-get-expression-sums)|[![Practice][p]](https://www.fastprep.io/problems/flexport-get-expression-sums)| Feb 28, 2024 | +| **Flexport** |[Max Energy](https://www.fastprep.io/problems/flexport-max-energy)|[![Practice][p]](https://www.fastprep.io/problems/flexport-max-energy)| Feb 28, 2024 | +| **Flexport** |[Get Min Time](https://www.fastprep.io/problems/flexport-get-minimum-time)|[![Practice][p]](https://www.fastprep.io/problems/flexport-get-minimum-time)| Feb 28, 2024 | +| **Flexport** |[Get Node to Remove](https://www.fastprep.io/problems/flexport-get-node-to-remove)|[![Practice][p]](https://www.fastprep.io/problems/flexport-get-node-to-remove)| Feb 28, 2024 | +| **Walmart** |[Min Possible Value](https://www.fastprep.io/problems/walmart-minimum-possible-value-function)|[![Practice][p]](https://www.fastprep.io/problems/walmart-minimum-possible-value-function)| Feb 24, 2024 | +| **Infosys** |[Extract Cards](https://www.fastprep.io/problems/infosys-extract-cards)|[![Practice][p]](https://www.fastprep.io/problems/infosys-extract-cards)| Feb 24, 2024 | +| **Snowflake** |[Meeting Time](https://www.fastprep.io/problems/snowflake-get-earliest-meet-time)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-get-earliest-meet-time)| Feb 24, 2024 | +| **Snowflake** |[Max Beautiful Substrings](https://www.fastprep.io/problems/snowflake-get-max-beautiful-substrings)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-get-max-beautiful-substrings)| Feb 24, 2024 | +| **Intuit** |[Longest Cipher (Intuit India)](https://www.fastprep.io/problems/intuit-longest-cipher)|[![Practice][p]](https://www.fastprep.io/problems/intuit-longest-cipher)| Feb 24, 2024 | +| **Intuit** |[Virus Spread (Intuit India)](https://www.fastprep.io/problems/intuit-virus-spread)|[![Practice][p]](https://www.fastprep.io/problems/intuit-virus-spread)| Feb 24, 2024 | +| **Intuit** |[Spreading Fire (Intuit India)](https://www.fastprep.io/problems/intuit-spreading-fire)|[![Practice][p]](https://www.fastprep.io/problems/intuit-spreading-fire)| Feb 24, 2024 | +| **Intuit** |[Jumping Kaday (Intuit India)](https://www.fastprep.io/problems/intuit-jumping-kady)|[![Practice][p]](https://www.fastprep.io/problems/intuit-jumping-kady)| Feb 24, 2024 | +| **Intuit** |[Max Reward (Intuit India)](https://www.fastprep.io/problems/intuit-maximum-reward)|[![Practice][p]](https://www.fastprep.io/problems/intuit-maximum-reward)| Feb 24, 2024 | +| **DE Shaw** |[Max Beauty](https://www.fastprep.io/problems/deshaw-find-maximum-beauty)|[![Practice][p]](https://www.fastprep.io/problems/deshaw-find-maximum-beauty)| Feb 24, 2024 | +| **Weride** |[Long Break](https://www.fastprep.io/problems/weride-long-break)|[![Practice][p]](https://www.fastprep.io/problems/weride-long-break)| Feb 24, 2024 | +| **Weride** |[Meetup Schedule](https://www.fastprep.io/problems/weride-meetup-schedule)|[![Practice][p]](https://www.fastprep.io/problems/weride-meetup-schedule)| Feb 24, 2024 | +| **Samsung** |[Find Hidden Benchmark Value](https://www.fastprep.io/problems/samsung-find-hidden-benchmark-value)|[![Practice][p]](https://www.fastprep.io/problems/samsung-find-hidden-benchmark-value)| Feb 24, 2024 | +| **Intuit** |[Rearranging String](https://www.fastprep.io/problems/intuit-rearrange-string)|[![Practice][p]](https://www.fastprep.io/problems/intuit-rearrange-string)| Feb 22, 2024 | +| **Intuit** |[Letter Candles](https://www.fastprep.io/problems/intuit-letter-candles)|[![Practice][p]](https://www.fastprep.io/problems/intuit-letter-candles)| Feb 22, 2024 | +| **Intuit** |[Get Min Difference](https://www.fastprep.io/problems/intuit-get-minimum-difference)|[![Practice][p]](https://www.fastprep.io/problems/intuit-get-minimum-difference)| Feb 22, 2024 | +| **Microsoft** |[Maximize Difference](https://www.fastprep.io/problems/microsoft-maximizing-difference-in-array-elements-with-moves)|[![Practice][p]](https://www.fastprep.io/problems/microsoft-maximizing-difference-in-array-elements-with-moves)| Feb 22, 2024 | +| **JP Morgan** |[Min Operations](https://www.fastprep.io/problems/jpmorgan-get-minimum-operations)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-get-minimum-operations)| Feb 21, 2024 | +| **JP Morgan** |[How Many Flips?](https://www.fastprep.io/problems/jpmorgan-minimum-flips)|[![Practice][p]](https://www.fastprep.io/problems/jpmorgan-minimum-flips)| Feb 21, 2024 | +| **Roblox** |[Largest Value of Usage in Minutes](https://www.fastprep.io/problems/roblox-largest-value-of-usage-in-minutes)|[![Practice][p]](https://www.fastprep.io/problems/roblox-largest-value-of-usage-in-minutes)| Feb 21, 2024 | +| **Oracle** |[Min Diff](https://www.fastprep.io/problems/oracle-min-diff)|[![Practice][p]](https://www.fastprep.io/problems/oracle-min-diff)| Feb 21, 2024 | +| **Oracle** |[Balancing Parentheses](https://www.fastprep.io/problems/oracle-balance-parentheses)|[![Practice][p]](https://www.fastprep.io/problems/oracle-balance-parentheses)| Feb 21, 2024 | +| **Oracle** |[Last Letters](https://www.fastprep.io/problems/oracle-last-letters)|[![Practice][p]](https://www.fastprep.io/problems/oracle-last-letters)| Feb 21, 2024 | +| **Oracle** |[Reduction Cost](https://www.fastprep.io/problems/oracle-reduction-cost)|[![Practice][p]](https://www.fastprep.io/problems/oracle-reduction-cost)| Feb 21, 2024 | +| **Oracle** |[Merge Arrays](https://www.fastprep.io/problems/oracle-merge-arrays)|[![Practice][p]](https://www.fastprep.io/problems/oracle-merge-arrays)| Feb 21, 2024 | +| **Oracle** |[Is Power](https://www.fastprep.io/problems/oracle-is-power)|[![Practice][p]](https://www.fastprep.io/problems/oracle-is-power)| Feb 21, 2024 | +| **MathWorks** |[Load Balancing](https://www.fastprep.io/problems/mathwork-load-balancing)|[![Practice][p]](https://www.fastprep.io/problems/mathwork-load-balancing)| Feb 21, 2024 | +| **ZipRecruiter** |[Count Triple](https://www.fastprep.io/problems/ziprecruiter-count-triple)|[![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-count-triple)| Feb 21, 2024 | +| **ZipRecruiter** |[Cycle Shift](https://www.fastprep.io/problems/ziprecruiter-cycle-shift)|[![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-cycle-shift)| Feb 21, 2024 | +| **Pure Storage** |[Find Doubles](https://www.fastprep.io/problems/purestorage-find-doubles)|[![Practice][p]](https://www.fastprep.io/problems/purestorage-find-doubles)| Feb 21, 2024 | +| **Palantir** |[Get Phone Numbers](https://www.fastprep.io/problems/palantir-get-phone-numbers)|[![Practice][p]](https://www.fastprep.io/problems/palantir-get-phone-numbers)| Feb 21, 2024 | +| **Palantir** |[Get Largest Number](https://www.fastprep.io/problems/palantir-get-largest-number)|[![Practice][p]](https://www.fastprep.io/problems/palantir-get-largest-number)| Feb 21, 2024 | +| **Amazon** |[Get Max Racers](https://www.fastprep.io/problems/amazon-get-max-racers)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-max-racers)| Feb 20, 2024 | +| **IBM** |[Get Min Time](https://www.fastprep.io/problems/ibm-get-min-time)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-min-time)| Feb 20, 2024 | +| **Oracle** |[Add Numbers](https://www.fastprep.io/problems/oracle-add-numbers)|[![Practice][p]](https://www.fastprep.io/problems/oracle-add-numbers)| Feb 20, 2024 | +| **Walleye Capital** |[Get Min Time](https://www.fastprep.io/problems/walleye-get-min-time)|[![Practice][p]](https://www.fastprep.io/problems/walleye-get-min-time)| Feb 20, 2024 | +| **Amazon** |[Get Min Num Moves](https://www.fastprep.io/problems/amazon-get-min-num-moves)|[![Practice][p]](https://www.fastprep.io/problems/amazon-get-min-num-moves)| Feb 19, 2024 | +| **Amazon** |[Count Distinct Passwords](https://www.fastprep.io/problems/amazon-count-distinct-passwords)|[![Practice][p]](https://www.fastprep.io/problems/amazon-count-distinct-passwords)| Feb 19, 2024 | +| **Citadel** |[Max the Lottery ID](https://www.fastprep.io/problems/citadel-maximize-the-lottery-id)|[![Practice][p]](https://www.fastprep.io/problems/citadel-maximize-the-lottery-id)| Feb 19, 2024 | +| **Meta** |[Search Mysterious Grid](https://www.fastprep.io/problems/mt-search-myterious-grid)|[![Practice][p]](https://www.fastprep.io/problems/mt-search-myterious-grid)| Feb 18, 2024 | +| **Meta** |[Enumerating Narrative Sections](https://www.fastprep.io/problems/mt-enumerating-narrative-sections)|[![Practice][p]](https://www.fastprep.io/problems/mt-enumerating-narrative-sections)| Feb 18, 2024 | +| **Snowflake** |[Efficient Deployments](https://www.fastprep.io/problems/snowflake-efficient-deployments)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-efficient-deployments)| Feb 18, 2024 | +| **Amazon** |[Fortune Telling](https://www.fastprep.io/problems/amazon-minimize-the-range)|[![Practice][p]](https://www.fastprep.io/problems/amazon-minimize-the-range)| Feb 17, 2024 | +| **Amazon** |[Max User Traffic](https://www.fastprep.io/problems/amazon-maximum-user-traffic)|[![Practice][p]](https://www.fastprep.io/problems/amazon-maximum-user-traffic)| Feb 17, 2024 | +| **Amazon** |[Find Min Trips](https://www.fastprep.io/problems/amazon-find-min-trips)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-min-trips)| Feb 17, 2024 | +| **Meta** |[Closest Landmark](https://www.fastprep.io/problems/mt-closest-land-mark)|[![Practice][p]](https://www.fastprep.io/problems/mt-closest-land-mark)| Feb 17, 2024 | +| **Google** |[Min Amplitude](https://www.fastprep.io/problems/google-min-amplitude)|[![Practice][p]](https://www.fastprep.io/problems/google-min-amplitude)| Feb 16, 2024 | +| **Google** |[Ways to Split a String](https://www.fastprep.io/problems/google-number-of-ways-to-split-a-string)|[![Practice][p]](https://www.fastprep.io/problems/google-number-of-ways-to-split-a-string)| Feb 16, 2024 | +| **Google** |[Maximum Time](https://www.fastprep.io/problems/google-maximum-time)|[![Practice][p]](https://www.fastprep.io/problems/google-maximum-time)| Feb 16, 2024 | +| **Google** |[Min Ab Difference of Server Loads](https://www.fastprep.io/problems/google-minimize-absolute-difference-of-server-loads)|[![Practice][p]](https://www.fastprep.io/problems/google-minimize-absolute-difference-of-server-loads)| Feb 16, 2024 | +| **Google** |[Most Booked Hotel Room](https://www.fastprep.io/problems/google-most-booked-hotel-room)|[![Practice][p]](https://www.fastprep.io/problems/google-most-booked-hotel-room)| Feb 16, 2024 | +| **Google** |[Min Number of Chairs](https://www.fastprep.io/problems/google-meeting-rooms-ii)|[![Practice][p]](https://www.fastprep.io/problems/google-meeting-rooms-ii)| Feb 16, 2024 | +| **Google** |[Min Days to Bloom](https://www.fastprep.io/problems/google-min-days-bouquets)|[![Practice][p]](https://www.fastprep.io/problems/google-min-days-bouquets)| Feb 16, 2024 | +| **Google** |[Fill Matrix](https://www.fastprep.io/problems/google-fill-matrix)|[![Practice][p]](https://www.fastprep.io/problems/google-fill-matrix)| Feb 16, 2024 | +| **Google** |[Time to Type a String](https://www.fastprep.io/problems/google-single-row-keyboard)|[![Practice][p]](https://www.fastprep.io/problems/google-single-row-keyboard)| Feb 16, 2024 | +| **Google** |[Decreasing Subsequences](https://www.fastprep.io/problems/google-split-array-into-consecutive-subsequences)|[![Practice][p]](https://www.fastprep.io/problems/google-split-array-into-consecutive-subsequences)| Feb 16, 2024 | +| **Google** |[Max Distance](https://www.fastprep.io/problems/google-pick-max-distance-pair)|[![Practice][p]](https://www.fastprep.io/problems/google-pick-max-distance-pair)| Feb 16, 2024 | +| **Google** |[Stores and Houses](https://www.fastprep.io/problems/google-find-closest-store)|[![Practice][p]](https://www.fastprep.io/problems/google-find-closest-store)| Feb 16, 2024 | +| **Google** |[Find Min Distance to Furthest Node (Google Tokyo)](https://www.fastprep.io/problems/google-find-min-distance-to-farthest-node)|[![Practice][p]](https://www.fastprep.io/problems/google-find-min-distance-to-farthest-node)| Feb 16, 2024 | +| **Google** |[Pizza Shop (Google Tokyo)](https://www.fastprep.io/problems/google-closest-pizza-price)|[![Practice][p]](https://www.fastprep.io/problems/google-closest-pizza-price)| Feb 16, 2024 | +| **Google** |[Relative Sort (Google Singapore)](https://www.fastprep.io/problems/google-minimum-swaps-to-make-sequences-increasing)|[![Practice][p]](https://www.fastprep.io/problems/google-minimum-swaps-to-make-sequences-increasing)| Feb 16, 2024 | +| **Snowflake** |[Radio waves](https://www.fastprep.io/problems/snowflake-radio-waves)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-radio-waves)| Feb 15, 2024 | +| **MathWorks** |[Count Valid Passwords](https://www.fastprep.io/problems/mathwork-count-valid-passwords)|[![Practice][p]](https://www.fastprep.io/problems/mathwork-count-valid-passwords)| Feb 15, 2024 | +| **MathWorks** |[Get Maximum Reward Points](https://www.fastprep.io/problems/mathwork-get-maximum-reward-points)|[![Practice][p]](https://www.fastprep.io/problems/mathwork-get-maximum-reward-points)| Feb 15, 2024 | +| **ZipRecruiter** |[Count Distinct Swappable Digit Pairs](https://www.fastprep.io/problems/ziprecruiter-count-distinct-swappable-digit-pairs)|[![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-count-distinct-swappable-digit-pairs)| Feb 15, 2024 | +| **ZipRecruiter** |[Time Travel](https://www.fastprep.io/problems/ziprecruiter-time-travel)|[![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-time-travel)| Feb 15, 2024 | +| **ZipRecruiter** |[Exclusive Event Entry](https://www.fastprep.io/problems/ziprecruiter-exclusive-event-entry)|[![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-exclusive-event-entry)| Feb 15, 2024 | +| **ZipRecruiter** |[Distribute Integers Between Arrays](https://www.fastprep.io/problems/ziprecruiter-disctribute-integers-between-arrays)|[![Practice][p]](https://www.fastprep.io/problems/ziprecruiter-disctribute-integers-between-arrays)| Feb 15, 2024 | +| **Amazon** |[Find Recurring Name](https://www.fastprep.io/problems/amazon-find-recurring-names)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-recurring-names)| Feb 14, 2024 | +| **Amazon** |[Find Requests In Queue](https://www.fastprep.io/problems/amazon-find-requests-in-queue)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-requests-in-queue)| Feb 14, 2024 | +| **Meta** |[Buses in a Bustling Town](https://www.fastprep.io/problems/mt-busting-town-buses)|[![Practice][p]](https://www.fastprep.io/problems/mt-busting-town-buses)| Feb 14, 2024 | +| **Snowflake** |[Get Num Ways](https://www.fastprep.io/problems/snowflake-get-num-ways)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-get-num-ways)| Feb 14, 2024 | +| **Snowflake** |[Find Maximum Number Live Threads](https://www.fastprep.io/problems/snowflake-find-maximum-number-live-threads)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-find-maximum-number-live-threads)| Feb 14, 2024 | +| **TikTok** |[Maximum Value](https://www.fastprep.io/problems/tiktok-maximum-value)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-maximum-value)| Feb 14, 2024 | +| **TikTok** |[Count Purchases](https://www.fastprep.io/problems/tiktok-count-purchases)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-count-purchases)| Feb 14, 2024 | +| **TikTok** |[Calculate Validity](https://www.fastprep.io/problems/tiktok-calculate-validity)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-calculate-validity)| Feb 14, 2024 | +| **IBM** |[Validate Requests](https://www.fastprep.io/problems/ibm-request-parser)|[![Practice][p]](https://www.fastprep.io/problems/ibm-request-parser)| Feb 14, 2024 | +| **Oracle** |[Get Discounted Price](https://www.fastprep.io/problems/oracle-get-discounted-price)|[![Practice][p]](https://www.fastprep.io/problems/oracle-get-discounted-price)| Feb 14, 2024 | +| **Oracle** |[Cardinality Sort](https://www.fastprep.io/problems/oracle-cardinality-sort)|[![Practice][p]](https://www.fastprep.io/problems/oracle-cardinality-sort)| Feb 14, 2024 | +| **IBM** |[Find Missing Integers](https://www.fastprep.io/problems/ibm-find-missing-integer)|[![Practice][p]](https://www.fastprep.io/problems/ibm-find-missing-integer)| Feb 08, 2024 | +| **IBM** |[Merge Arrays](https://www.fastprep.io/problems/ibm-merge-arrays)|[![Practice][p]](https://www.fastprep.io/problems/ibm-merge-arrays)| Feb 08, 2024 | +| **Amazon** |[Find Largest Set of Onion Bags](https://www.fastprep.io/problems/amazon-find-largest-set-of-onion-bags)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-largest-set-of-onion-bags)| Feb 06, 2024 | +| **Amazon** |[Minimum Total Errors](https://www.fastprep.io/problems/amazon-min-errors)|[![Practice][p]](https://www.fastprep.io/problems/amazon-min-errors)| Feb 06, 2024 | +| **Adobe** |[Get Minimum Operations](https://www.fastprep.io/problems/get-minimum-operations-adobe)|[![Practice][p]](https://www.fastprep.io/problems/get-minimum-operations-adobe)| Feb 06, 2024 | +| **Twilio** |[Find Maximum Greatness](https://www.fastprep.io/problems/twilio-find-maximum-greatness)|[![Practice][p]](https://www.fastprep.io/problems/twilio-find-maximum-greatness)| Feb 06, 2024 | +| **Twilio** |[Count Groups](https://www.fastprep.io/problems/twilio-count-groups)|[![Practice][p]](https://www.fastprep.io/problems/twilio-count-groups)| Feb 06, 2024 | +| **Snowflake** |[Array Reduction Algorithm](https://www.fastprep.io/problems/snowflake-array-reduction-algorithm)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-array-reduction-algorithm)| Feb 05, 2024 | +| **Snowflake** |[Count Ways to Color Houses](https://www.fastprep.io/problems/snowflake-count-ways-to-color-houses)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-count-ways-to-color-houses)| Feb 05, 2024 | +| **Snowflake** |[Count Min Characters](https://www.fastprep.io/problems/snowflake-count-minimum-characters)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-count-minimum-characters)| Feb 05, 2024 | +| **IBM** |[Find Y Values](https://www.fastprep.io/problems/ibm-find-y-value)|[![Practice][p]](https://www.fastprep.io/problems/ibm-find-y-value)| Feb 05, 2024 | +| **IBM** |[Circles](https://www.fastprep.io/problems/ibm-circles)|[![Practice][p]](https://www.fastprep.io/problems/ibm-circles)| Feb 05, 2024 | +| **IBM** |[Get Min Moves](https://www.fastprep.io/problems/ibm-get-minimum-moves)|[![Practice][p]](https://www.fastprep.io/problems/ibm-get-minimum-moves)| Feb 05, 2024 | +| **Akuna** |[Min Cost (Akuna Shang Hai)](https://www.fastprep.io/problems/akuna-min-cost)|[![Practice][p]](https://www.fastprep.io/problems/akuna-min-cost)| Feb 02, 2024 | +| **Akuna** |[Minimum Chunks Required (Akuna Shang Hai)](https://www.fastprep.io/problems/akuna-minimum-chunks-required)|[![Practice][p]](https://www.fastprep.io/problems/akuna-minimum-chunks-required)| Feb 02, 2024 | +| **Akuna** |[Diffierence Calculator (Akuna Shang Hai)](https://www.fastprep.io/problems/akuna-difference-calculator)|[![Practice][p]](https://www.fastprep.io/problems/akuna-difference-calculator)| Feb 02, 2024 | +| **Snowflake** |[Get Max Upgraded Servers](https://www.fastprep.io/problems/snowflake-get-max-upgraded-servers)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-get-max-upgraded-servers)| Feb 02, 2024 | +| **Snowflake** |[Efficient Cost](https://www.fastprep.io/problems/snowflake-efficient-cost)|[![Practice][p]](https://www.fastprep.io/problems/snowflake-efficient-cost)| Feb 02, 2024 | +| **TikTok** |[Segment Queries](https://www.fastprep.io/problems/tiktok-segment-queries)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-segment-queries)| Feb 02, 2024 | +| **TikTok** |[Minimum Cycles](https://www.fastprep.io/problems/tiktok-minimum-cycles)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-minimum-cycles)| Feb 02, 2024 | +| **TikTok** |[Stars and Bars](https://www.fastprep.io/problems/tiktok-stars-and-bars)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-stars-and-bars)| Feb 02, 2024 | +| **TikTok** |[Longest OR](https://www.fastprep.io/problems/tiktok-longest-or)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-longest-or)| Feb 02, 2024 | +| **TikTok** |[Get Server Index](https://www.fastprep.io/problems/tiktok-get-server-index)|[![Practice][p]](https://www.fastprep.io/problems/tiktok-get-server-index)| Feb 02, 2024 | +| **Amazon** |[Dropped Requests](https://www.fastprep.io/problems/amazon-dropped-requests)|[![Practice][p]](https://www.fastprep.io/problems/amazon-dropped-requests)| Jan 27, 2024 | +| **Amazon** |[Remove Anagrams](https://www.fastprep.io/problems/1.amazon-remove-anagram)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-remove-anagram)| Jan 27, 2024 | +| **Amazon** |[Find Unique Values](https://www.fastprep.io/problems/amazon-find-unique-values)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-unique-values)| Jan 27, 2024 | +| **Amazon** |[Execute Processes](https://www.fastprep.io/problems/amazon-execute-processes)|[![Practice][p]](https://www.fastprep.io/problems/amazon-execute-processes)| Jan 27, 2024 | +| **Amazon** |[Number of Suitable Locations](https://www.fastprep.io/problems/amazon-num-of-suitable-places)|[![Practice][p]](https://www.fastprep.io/problems/amazon-num-of-suitable-places)| Jan 27, 2024 | +| **Amazon** |[Group Students](https://www.fastprep.io/problems/amazon-group-students)|[![Practice][p]](https://www.fastprep.io/problems/amazon-group-students)| Jan 27, 2024 | +| **Amazon** |[Get Pairs Count](https://www.fastprep.io/problems/1.amazon-get-pairs-count)|[![Practice][p]](https://www.fastprep.io/problems/1.amazon-get-pairs-count)| Jan 23, 2024 | +| **Amazon** |[Rice Bags](https://www.fastprep.io/problems/max-set-size)|[![Practice][p]](https://www.fastprep.io/problems/max-set-size)| Jan 13, 2024 | +| **Snowflake** |[Smallest Set Covering Intervals](https://www.fastprep.io/problems/smallest-set-covering-intervals)|[![Practice][p]](https://www.fastprep.io/problems/smallest-set-covering-intervals)| Jan 13, 2024 | +| **Snowflake** |[Maximum Order Volume](https://www.fastprep.io/problems/phone-calls)|[![Practice][p]](https://www.fastprep.io/problems/phone-calls)| Jan 13, 2024 | +| **Snowflake** |[Unequal Elements](https://www.fastprep.io/problems/find-max-length)|[![Practice][p]](https://www.fastprep.io/problems/find-max-length)| Jan 13, 2024 | +| **Snowflake** |[Job Execution](https://www.fastprep.io/problems/get-minimum-operations)|[![Practice][p]](https://www.fastprep.io/problems/get-minimum-operations)| Jan 12, 2024 | +| **Snowflake** |[Perfect Pairs](https://www.fastprep.io/problems/perfect-pairs)|[![Practice][p]](https://www.fastprep.io/problems/perfect-pairs)| Jan 12, 2024 | +| **Snowflake** |[Cross the Threshold](https://www.fastprep.io/problems/get-max-barrier)|[![Practice][p]](https://www.fastprep.io/problems/get-max-barrier)| Jan 12, 2024 | +| **Snowflake** |[Get Min Cost](https://www.fastprep.io/problems/hackerland-get-min-cost)|[![Practice][p]](https://www.fastprep.io/problems/hackerland-get-min-cost)| Jan 12, 2024 | +| **Snowflake** |[String Patterns](https://www.fastprep.io/problems/calculate-ways)|[![Practice][p]](https://www.fastprep.io/problems/calculate-ways)| Jan 12, 2024 | +| **Amazon** |[Get Discount Pairs](https://www.fastprep.io/problems/get-discount-pairs)|[![Practice][p]](https://www.fastprep.io/problems/get-discount-pairs)| Jan 11, 2024 | +| **Amazon** |[Get Min Cost Data](https://www.fastprep.io/problems/get-min-cost-data)|[![Practice][p]](https://www.fastprep.io/problems/get-min-cost-data)| Jan 10, 2024 | +| **Goldman Sachs** |[Compute Parameter Value](https://www.fastprep.io/problems/compute-parameter-value)|[![Practice][p]](https://www.fastprep.io/problems/compute-parameter-value)| Jan 09, 2024 | +| **Goldman Sachs** |[Max Min](https://www.fastprep.io/problems/max-min)|[![Practice][p]](https://www.fastprep.io/problems/max-min)| Jan 09, 2024 | +| **Goldman Sachs** |[Chair Requirements](https://www.fastprep.io/problems/goldman-min-chair)|[![Practice][p]](https://www.fastprep.io/problems/goldman-min-chair)| Jan 09, 2024 | +| **Goldman Sachs** |[Autocorrect Prototype](https://www.fastprep.io/problems/autocorrect-prototype)|[![Practice][p]](https://www.fastprep.io/problems/autocorrect-prototype)| Jan 09, 2024 | +| **Goldman Sachs** |[Do They Belong?](https://www.fastprep.io/problems/points-belong)|[![Practice][p]](https://www.fastprep.io/problems/points-belong)| Jan 09, 2024 | +| **Goldman Sachs** |[Preprocess Dates](https://www.fastprep.io/problems/preprocess-date)|[![Practice][p]](https://www.fastprep.io/problems/preprocess-date)| Jan 09, 2024 | +| **Goldman Sachs** |[Compare Strings](https://www.fastprep.io/problems/compare-strings)|[![Practice][p]](https://www.fastprep.io/problems/compare-strings)| Jan 09, 2024 | +| **Goldman Sachs** |[Plus Mult Array](https://www.fastprep.io/problems/plus-mult-array)|[![Practice][p]](https://www.fastprep.io/problems/plus-mult-array)| Jan 09, 2024 | +| **Goldman Sachs** |[Better Compression](https://www.fastprep.io/problems/better-compression)|[![Practice][p]](https://www.fastprep.io/problems/better-compression)| Jan 09, 2024 | +| **Goldman Sachs** |[Encircular](https://www.fastprep.io/problems/encircular)|[![Practice][p]](https://www.fastprep.io/problems/encircular)| Jan 09, 2024 | +| **Goldman Sachs** |[Project Estimates](https://www.fastprep.io/problems/project-estimates)|[![Practice][p]](https://www.fastprep.io/problems/project-estimates)| Jan 09, 2024 | +| **Goldman Sachs** |[Longest Subarray](https://www.fastprep.io/problems/longest-subarray)|[![Practice][p]](https://www.fastprep.io/problems/longest-subarray)| Jan 09, 2024 | +| **Amazon** |[Count Maximum Profitable Groups](https://www.fastprep.io/problems/count-maximum-profitable-groups)|[![Practice][p]](https://www.fastprep.io/problems/count-maximum-profitable-groups)| Jan 07, 2024 | +| **Cisco** |[Maximum Chocolates from Jars](https://www.fastprep.io/problems/cisco-maximum-chocolates-from-jars)|[![Practice][p]](https://www.fastprep.io/problems/cisco-maximum-chocolates-from-jars)| Jan 02, 2024 | +| **Amazon** |[Count Games Won By Group1 (AMZ CN)](https://www.fastprep.io/problems/amazon-how-many-games-did-the-team-win)|[![Practice][p]](https://www.fastprep.io/problems/amazon-how-many-games-did-the-team-win)| Dec 27, 2023 | +| **Amazon** |[Get Min Distance (AMZ CN)](https://www.fastprep.io/problems/amazon-find-minimum-dist)|[![Practice][p]](https://www.fastprep.io/problems/amazon-find-minimum-dist)| Dec 27, 2023 | +| **Amazon** |[Check Similar Passwords](https://www.fastprep.io/problems/check-similar-passwords)|[![Practice][p]](https://www.fastprep.io/problems/check-similar-passwords)| Dec 23, 2023 | +| **Amazon** |[Maximum Score in Balanced String](https://www.fastprep.io/problems/maximum-score-in-balanced-string)|[![Practice][p]](https://www.fastprep.io/problems/maximum-score-in-balanced-string)| Dec 23, 2023 | +| **Amazon** |[Location of Data After Transfers](https://www.fastprep.io/problems/location-of-data-after-transfers)|[![Practice][p]](https://www.fastprep.io/problems/location-of-data-after-transfers)| Dec 23, 2023 | +| **Amazon** |[Get Score Difference](https://www.fastprep.io/problems/1.amz-get-score-difference)|[![Practice][p]](https://www.fastprep.io/problems/1.amz-get-score-difference)| Dec 19, 2023 | +| **Amazon** |[Get Success Value](https://www.fastprep.io/problems/get-success-value)|[![Practice][p]](https://www.fastprep.io/problems/get-success-value)| Dec 19, 2023 | +| **Amazon** |[Get Minimum Fruits](https://www.fastprep.io/problems/1.get-minimum-fruits)|[![Practice][p]](https://www.fastprep.io/problems/1.get-minimum-fruits)| Dec 19, 2023 | +| **Amazon** |[Warehouse Distribution](https://www.fastprep.io/problems/warehouse-allocation)|[![Practice][p]](https://www.fastprep.io/problems/warehouse-allocation)| Dec 15, 2023 | +| **IBM** |[Get Min Cost](https://www.fastprep.io/problems/1.ibm-get-min-cost)|[![Practice][p]](https://www.fastprep.io/problems/1.ibm-get-min-cost)| Dec 14, 2023 | +| **Amazon** |[Erase Pairs](https://www.fastprep.io/problems/erase-pairs)|[![Practice][p]](https://www.fastprep.io/problems/erase-pairs)| Dec 13, 2023 | +| **Amazon** |[Cet Maximum Reward Points](https://www.fastprep.io/problems/1.get-max-reward-points)|[![Practice][p]](https://www.fastprep.io/problems/1.get-max-reward-points)| Dec 13, 2023 | +| **Amazon** |[Get Priorities After Execution](https://www.fastprep.io/problems/get-priorities-after-execution)|[![Practice][p]](https://www.fastprep.io/problems/get-priorities-after-execution)| Dec 06, 2023 | +| **Amazon** |[Maximum Book Copies](https://www.fastprep.io/problems/1.max-book-copies)|[![Practice][p]](https://www.fastprep.io/problems/1.max-book-copies)| Dec 03, 2023 | +| **SpaceX** |[Simplified Time-Based Key-Value Store](https://www.fastprep.io/problems/spacex-simplified-time-map)|[![Practice][p]](https://www.fastprep.io/problems/spacex-simplified-time-map)| Nov 02, 2023 | +| **Amazon** |[Get Average Standing](https://www.fastprep.io/problems/get-average-standing)|[![Practice][p]](https://www.fastprep.io/problems/get-average-standing)| Sep 24, 2023 | +| **Amazon** |[Minimum Time Spent](https://www.fastprep.io/problems/minimum-time-spent)|[![Practice][p]](https://www.fastprep.io/problems/minimum-time-spent)| Sep 24, 2023 | +| **Amazon** |[Count Max Num Teams](https://www.fastprep.io/problems/count-max-num-teams)|[![Practice][p]](https://www.fastprep.io/problems/count-max-num-teams)| Sep 24, 2023 | +| **Odoo** |[HTML Elements Single-Tag Correction](https://www.fastprep.io/problems/odoo-html-elements-single-tag-correction)|[![Practice][p]](https://www.fastprep.io/problems/odoo-html-elements-single-tag-correction)| Sep 18, 2023 | +| **Amazon** |[Cet Mean Rank Count](https://www.fastprep.io/problems/get-mean-rank-count)|[![Practice][p]](https://www.fastprep.io/problems/get-mean-rank-count)| Aug 31, 2023 | +| **Amazon** |[Count Spikes](https://www.fastprep.io/problems/count-spikes)|[![Practice][p]](https://www.fastprep.io/problems/count-spikes)| Aug 31, 2023 | +| **Amazon** |[Get Minimum Costs](https://www.fastprep.io/problems/get-minimum-cost)|[![Practice][p]](https://www.fastprep.io/problems/get-minimum-cost)| Aug 31, 2023 | +| **Amazon** |[Find Minimum Inefficiency](https://www.fastprep.io/problems/find-minimum-inefficiency)|[![Practice][p]](https://www.fastprep.io/problems/find-minimum-inefficiency)| Aug 31, 2023 | +| **Goldman Sachs** |[Encryption Valididy](https://www.fastprep.io/problems/encryption-validity)|[![Practice][p]](https://www.fastprep.io/problems/encryption-validity)| Aug 31, 2023 | +| **Goldman Sachs** |[Decoding String](https://www.fastprep.io/problems/decoding-string)|[![Practice][p]](https://www.fastprep.io/problems/decoding-string)| Aug 31, 2023 | +| **Goldman Sachs** |[Is Possible](https://www.fastprep.io/problems/is-possible)|[![Practice][p]](https://www.fastprep.io/problems/is-possible)| Aug 31, 2023 | +| **Arcesium** |[Add Digits](https://www.fastprep.io/problems/arcesium-add-digits)|[![Practice][p]](https://www.fastprep.io/problems/arcesium-add-digits)| Aug 30, 2023 | +| **Arcesium** |[Binary Tree Maximum Path Sum](https://www.fastprep.io/problems/arcesium-binary-tree-maximum-path-sum)|[![Practice][p]](https://www.fastprep.io/problems/arcesium-binary-tree-maximum-path-sum)| Aug 30, 2023 | +| **Arcesium** |[Reverse First K Characters in Every 2K Block](https://www.fastprep.io/problems/arcesium-reverse-first-k-every-2k-block)|[![Practice][p]](https://www.fastprep.io/problems/arcesium-reverse-first-k-every-2k-block)| Aug 05, 2023 | +| **Arcesium** |[Detect a Cycle in Directed Hate Relationships](https://www.fastprep.io/problems/arcesium-detect-cycle-in-directed-hate-graph)|[![Practice][p]](https://www.fastprep.io/problems/arcesium-detect-cycle-in-directed-hate-graph)| Aug 05, 2023 | +| **Arcesium** |[Robo Data Sharing Direction](https://www.fastprep.io/problems/arcesium-robo-data-sharing-direction)|[![Practice][p]](https://www.fastprep.io/problems/arcesium-robo-data-sharing-direction)| Jul 17, 2023 | +| **IMC** |[Busy Intersection](https://www.fastprep.io/problems/imc-busy-intersection)|[![Practice][p]](https://www.fastprep.io/problems/imc-busy-intersection)| Mar 27, 2023 | +| **Odoo** |[Maximum Profit from an Increasing Price Triplet](https://www.fastprep.io/problems/odoo-maximum-profit-increasing-triplet)|[![Practice][p]](https://www.fastprep.io/problems/odoo-maximum-profit-increasing-triplet)| Jan 24, 2023 | +| **IMC** |[Reaching Points with Perfect-Square Obstacles](https://www.fastprep.io/problems/imc-perfect-square-forbidden-reaching-points)|[![Practice][p]](https://www.fastprep.io/problems/imc-perfect-square-forbidden-reaching-points)| Sep 07, 2022 | +| **IMC** |[Adding Stack 2.0](https://www.fastprep.io/problems/imc-adding-stack-2-0)|[![Practice][p]](https://www.fastprep.io/problems/imc-adding-stack-2-0)| Sep 24, 2021 | +| **IMC** |[Knight Minimum Moves with a Fixed Bishop](https://www.fastprep.io/problems/imc-knight-minimum-moves-fixed-bishop)|[![Practice][p]](https://www.fastprep.io/problems/imc-knight-minimum-moves-fixed-bishop)| Sep 24, 2021 | +| **Arcesium** |[Capital Gains Tax from Trades](https://www.fastprep.io/problems/arcesium-capital-gains-tax-from-trades)|[![Practice][p]](https://www.fastprep.io/problems/arcesium-capital-gains-tax-from-trades)| Feb 23, 2021 | +| **IMC** |[Hidden Artifacts](https://www.fastprep.io/problems/imc-hidden-artifacts)|[![Practice][p]](https://www.fastprep.io/problems/imc-hidden-artifacts)| Oct 20, 2020 | +| **Postman** |[Configuration System](https://www.fastprep.io/problems/postman-configuration-system)|[![Practice][p]](https://www.fastprep.io/problems/postman-configuration-system)| Sep 23, 2020 | +| **Postman** |[Large Responses](https://www.fastprep.io/problems/postman-large-responses)|[![Practice][p]](https://www.fastprep.io/problems/postman-large-responses)| Sep 23, 2020 | +| **Postman** |[Minimum Swaps to Sort an Array](https://www.fastprep.io/problems/postman-minimum-swaps-to-sort)|[![Practice][p]](https://www.fastprep.io/problems/postman-minimum-swaps-to-sort)| Aug 27, 2020 | +| **Postman** |[Validate IP Address](https://www.fastprep.io/problems/postman-validate-ip-address)|[![Practice][p]](https://www.fastprep.io/problems/postman-validate-ip-address)| Aug 27, 2020 | +| **Arcesium** |[K-th Character in an Infinite String](https://www.fastprep.io/problems/arcesium-kth-character-in-infinite-string)|[![Practice][p]](https://www.fastprep.io/problems/arcesium-kth-character-in-infinite-string)| Aug 08, 2020 | +| **Postman** |[Without Whitespaces](https://www.fastprep.io/problems/postman-without-whitespaces)|[![Practice][p]](https://www.fastprep.io/problems/postman-without-whitespaces)| Sep 26, 2019 | +| **Postman** |[Maximum Laptop Rating in a Price Range](https://www.fastprep.io/problems/postman-maximum-laptop-rating)|[![Practice][p]](https://www.fastprep.io/problems/postman-maximum-laptop-rating)| Aug 30, 2019 | diff --git a/formats/low-level-design.md b/formats/low-level-design.md index 2af12b2..846e861 100644 --- a/formats/low-level-design.md +++ b/formats/low-level-design.md @@ -2,12 +2,13 @@ [← Back to all questions](../README.md#question-bank) -**60 questions** +**61 questions** [p]: ../assets/practice-button.svg | Company | OA / Interview Question | Practice | Updated | | :-- | :-- | :-: | :-- | +| **The Walt Disney Company** | [Design an Authentication Session Lifecycle](https://www.fastprep.io/low-level-design/authentication-session-lifecycle) | [![Practice][p]](https://www.fastprep.io/low-level-design/authentication-session-lifecycle) | 🔥 Sep 04, 2026 | | **SentinelOne** | [Design a Thread-Safe Queryable Logger Library](https://www.fastprep.io/low-level-design/thread-safe-queryable-logger-library) | [![Practice][p]](https://www.fastprep.io/low-level-design/thread-safe-queryable-logger-library) | 🔥 Sep 03, 2026 | | **SentinelOne** | [Design and Implement a Concurrent Web Crawler Library](https://www.fastprep.io/low-level-design/concurrent-web-crawler-library) | [![Practice][p]](https://www.fastprep.io/low-level-design/concurrent-web-crawler-library) | 🔥 Sep 03, 2026 | | **Amazon** | [Design and Implement a Train Route Fare Calculator](https://www.fastprep.io/low-level-design/train-route-fare-calculator) | [![Practice][p]](https://www.fastprep.io/low-level-design/train-route-fare-calculator) | 🔥 Sep 03, 2026 | diff --git a/formats/sql.md b/formats/sql.md index cae60d6..60f9c69 100644 --- a/formats/sql.md +++ b/formats/sql.md @@ -2,22 +2,29 @@ [← Back to all questions](../README.md#question-bank) -**13 questions** +**20 questions** [p]: ../assets/practice-button.svg | Company | OA / Interview Question | Practice | Updated | | :-- | :-- | :-: | :-- | -| **Millennium** | [Clean the Tape](https://www.fastprep.io/problems/millennium-clean-the-tape) | [![Practice][p]](https://www.fastprep.io/problems/millennium-clean-the-tape) | 🔥 Sep 02, 2026 | -| **Millennium** | [Measure Liquidity](https://www.fastprep.io/problems/millennium-measure-liquidity) | [![Practice][p]](https://www.fastprep.io/problems/millennium-measure-liquidity) | 🔥 Sep 02, 2026 | -| **Millennium** | [Debug Fair-Value Lookup](https://www.fastprep.io/problems/millennium-debug-fair-value-lookup) | [![Practice][p]](https://www.fastprep.io/problems/millennium-debug-fair-value-lookup) | 🔥 Sep 02, 2026 | -| **Millennium** | [Track the Book and Mark Final PnL](https://www.fastprep.io/problems/millennium-track-the-book) | [![Practice][p]](https://www.fastprep.io/problems/millennium-track-the-book) | 🔥 Sep 02, 2026 | -| **Millennium** | [Hedge Inventory with Return Covariance](https://www.fastprep.io/problems/millennium-hedge-inventory) | [![Practice][p]](https://www.fastprep.io/problems/millennium-hedge-inventory) | 🔥 Sep 02, 2026 | -| **Wolverine Trading** | [Market Share Ticker with Imbalance](https://www.fastprep.io/problems/wolverine-trading-market-share-and-imbalance) | [![Practice][p]](https://www.fastprep.io/problems/wolverine-trading-market-share-and-imbalance) | 🔥 Aug 30, 2026 | -| **Wolverine Trading** | [Hedges Outperforming Their Trades](https://www.fastprep.io/problems/wolverine-trading-hedges-outperforming-trades) | [![Practice][p]](https://www.fastprep.io/problems/wolverine-trading-hedges-outperforming-trades) | 🔥 Aug 30, 2026 | -| **Capital One** | [Rank Flights by Airline and Destination Frequency](https://www.fastprep.io/problems/capital-one-rank-flights-by-airline-and-destination) | [![Practice][p]](https://www.fastprep.io/problems/capital-one-rank-flights-by-airline-and-destination) | 🔥 Aug 29, 2026 | -| **Amazon** | [Customer Package Delivery Report](https://www.fastprep.io/problems/amazon-customer-package-delivery-report) | [![Practice][p]](https://www.fastprep.io/problems/amazon-customer-package-delivery-report) | Jul 16, 2026 | -| **Point72** | [Internet Service Provider Monthly Report](https://www.fastprep.io/problems/point72-internet-service-provider-monthly-report) | [![Practice][p]](https://www.fastprep.io/problems/point72-internet-service-provider-monthly-report) | Jul 02, 2026 | -| **Odoo** | [Employees Joined per Month](https://www.fastprep.io/problems/odoo-employees-joined-per-month) | [![Practice][p]](https://www.fastprep.io/problems/odoo-employees-joined-per-month) | Sep 17, 2024 | -| **IMC** | [Account Balance Over Threshold](https://www.fastprep.io/problems/imc-account-balance-over-threshold) | [![Practice][p]](https://www.fastprep.io/problems/imc-account-balance-over-threshold) | Sep 12, 2020 | -| **IMC** | [Transaction Balance Over Threshold](https://www.fastprep.io/problems/imc-transaction-balance-over-threshold) | [![Practice][p]](https://www.fastprep.io/problems/imc-transaction-balance-over-threshold) | Sep 12, 2020 | +| **Millennium** |[Clean the Tape](https://www.fastprep.io/problems/millennium-clean-the-tape)|[![Practice][p]](https://www.fastprep.io/problems/millennium-clean-the-tape)| 🔥 Sep 02, 2026 | +| **Millennium** |[Measure Liquidity](https://www.fastprep.io/problems/millennium-measure-liquidity)|[![Practice][p]](https://www.fastprep.io/problems/millennium-measure-liquidity)| 🔥 Sep 02, 2026 | +| **Millennium** |[Debug Fair-Value Lookup](https://www.fastprep.io/problems/millennium-debug-fair-value-lookup)|[![Practice][p]](https://www.fastprep.io/problems/millennium-debug-fair-value-lookup)| 🔥 Sep 02, 2026 | +| **Millennium** |[Track the Book and Mark Final PnL](https://www.fastprep.io/problems/millennium-track-the-book)|[![Practice][p]](https://www.fastprep.io/problems/millennium-track-the-book)| 🔥 Sep 02, 2026 | +| **Millennium** |[Hedge Inventory with Return Covariance](https://www.fastprep.io/problems/millennium-hedge-inventory)|[![Practice][p]](https://www.fastprep.io/problems/millennium-hedge-inventory)| 🔥 Sep 02, 2026 | +| **Two Sigma** |[Daily Temperature By Town](https://www.fastprep.io/problems/two-sigma-daily-temperature-by-town)|[![Practice][p]](https://www.fastprep.io/problems/two-sigma-daily-temperature-by-town)| 🔥 Aug 31, 2026 | +| **Wolverine Trading** |[Market Share Ticker with Imbalance](https://www.fastprep.io/problems/wolverine-trading-market-share-and-imbalance)|[![Practice][p]](https://www.fastprep.io/problems/wolverine-trading-market-share-and-imbalance)| 🔥 Aug 30, 2026 | +| **Wolverine Trading** |[Hedges Outperforming Their Trades](https://www.fastprep.io/problems/wolverine-trading-hedges-outperforming-trades)|[![Practice][p]](https://www.fastprep.io/problems/wolverine-trading-hedges-outperforming-trades)| 🔥 Aug 30, 2026 | +| **Capital One** |[Rank Flights by Airline and Destination Frequency](https://www.fastprep.io/problems/capital-one-rank-flights-by-airline-and-destination)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-rank-flights-by-airline-and-destination)| 🔥 Aug 29, 2026 | +| **Capital One** |[Highest Version B Viewing Week](https://www.fastprep.io/problems/capital-one-highest-version-b-viewing-week)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-highest-version-b-viewing-week)| 🆕 Aug 17, 2026 | +| **Capital One** |[Highest-Spend Advertisement](https://www.fastprep.io/problems/capital-one-highest-spend-advertisement)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-highest-spend-advertisement)| 🆕 Aug 11, 2026 | +| **Amazon** |[Customer Package Delivery Report](https://www.fastprep.io/problems/amazon-customer-package-delivery-report)|[![Practice][p]](https://www.fastprep.io/problems/amazon-customer-package-delivery-report)| Jul 16, 2026 | +| **Capital One** |[Summarize Taxi Drivers and Rides](https://www.fastprep.io/problems/capital-one-driver-and-ride-summary)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-driver-and-ride-summary)| Jul 09, 2026 | +| **Capital One** |[Build Taxi Driver Performance Features](https://www.fastprep.io/problems/capital-one-build-taxi-driver-features)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-build-taxi-driver-features)| Jul 09, 2026 | +| **Capital One** |[Prepare Taxi Driver Classification Data](https://www.fastprep.io/problems/capital-one-prepare-driver-classification-data)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-prepare-driver-classification-data)| Jul 09, 2026 | +| **Capital One** |[Predict Taxi Driver Classes](https://www.fastprep.io/problems/capital-one-predict-driver-classes)|[![Practice][p]](https://www.fastprep.io/problems/capital-one-predict-driver-classes)| Jul 09, 2026 | +| **Point72** |[Internet Service Provider Monthly Report](https://www.fastprep.io/problems/point72-internet-service-provider-monthly-report)|[![Practice][p]](https://www.fastprep.io/problems/point72-internet-service-provider-monthly-report)| Jul 02, 2026 | +| **Odoo** |[Employees Joined per Month](https://www.fastprep.io/problems/odoo-employees-joined-per-month)|[![Practice][p]](https://www.fastprep.io/problems/odoo-employees-joined-per-month)| Sep 17, 2024 | +| **IMC** |[Account Balance Over Threshold](https://www.fastprep.io/problems/imc-account-balance-over-threshold)|[![Practice][p]](https://www.fastprep.io/problems/imc-account-balance-over-threshold)| Sep 12, 2020 | +| **IMC** |[Transaction Balance Over Threshold](https://www.fastprep.io/problems/imc-transaction-balance-over-threshold)|[![Practice][p]](https://www.fastprep.io/problems/imc-transaction-balance-over-threshold)| Sep 12, 2020 | diff --git a/formats/system-design.md b/formats/system-design.md index 64fe780..8de0cc6 100644 --- a/formats/system-design.md +++ b/formats/system-design.md @@ -2,12 +2,14 @@ [← Back to all questions](../README.md#question-bank) -**270 questions** +**274 questions** [p]: ../assets/practice-button.svg | Company | OA / Interview Question | Practice | Updated | | :-- | :-- | :-: | :-- | +| **Harvey / Nike, Inc. / GEP** | [Grounded Document-Vault Question Answering](https://www.fastprep.io/system-design/grounded-document-vault-question-answering) | [![Practice][p]](https://www.fastprep.io/system-design/grounded-document-vault-question-answering) | 🔥 Sep 04, 2026 | +| **World Wide Technology** | [Design a Prompt-Aware RAG Query Service](https://www.fastprep.io/system-design/prompt-aware-rag-query-service) | [![Practice][p]](https://www.fastprep.io/system-design/prompt-aware-rag-query-service) | 🔥 Sep 04, 2026 | | **OnePay / Razorpay / infosys** | [Durable Messaging Chat System](https://www.fastprep.io/system-design/durable-messaging-chat-system) | [![Practice][p]](https://www.fastprep.io/system-design/durable-messaging-chat-system) | 🔥 Sep 03, 2026 | | **Cursor / Amazon** | [Design a Versioned IDE Settings Sync System](https://www.fastprep.io/system-design/versioned-ide-settings-sync) | [![Practice][p]](https://www.fastprep.io/system-design/versioned-ide-settings-sync) | 🔥 Sep 03, 2026 | | **Netflix / Oracle / Google / Meta / ByteDance / Astrotalk** | [Design a Personalized Recommendation System](https://www.fastprep.io/system-design/personalized-recommendation-system) | [![Practice][p]](https://www.fastprep.io/system-design/personalized-recommendation-system) | 🔥 Sep 03, 2026 | @@ -52,7 +54,7 @@ | **Nvidia** | [Autonomous-Driving Camera Perception Pipeline](https://www.fastprep.io/system-design/autonomous-driving-camera-perception-pipeline) | [![Practice][p]](https://www.fastprep.io/system-design/autonomous-driving-camera-perception-pipeline) | 🔥 Aug 28, 2026 | | **Agoda** | [Design a Flight Search and Booking Aggregator](https://www.fastprep.io/system-design/flight-search-booking-aggregation-platform) | [![Practice][p]](https://www.fastprep.io/system-design/flight-search-booking-aggregation-platform) | 🔥 Aug 28, 2026 | | **Oracle** | [Design a Software Load Balancer](https://www.fastprep.io/system-design/software-load-balancer) | [![Practice][p]](https://www.fastprep.io/system-design/software-load-balancer) | 🔥 Aug 28, 2026 | -| **Amazon / Tesla** | [Design a Video Storage and Streaming Platform](https://www.fastprep.io/system-design/video-storage-streaming-platform) | [![Practice][p]](https://www.fastprep.io/system-design/video-storage-streaming-platform) | 🔥 Aug 28, 2026 | +| **Amazon / Tesla / Datadog** | [Design a Video Storage and Streaming Platform](https://www.fastprep.io/system-design/video-storage-streaming-platform) | [![Practice][p]](https://www.fastprep.io/system-design/video-storage-streaming-platform) | 🔥 Aug 28, 2026 | | **Tesla** | [Design an E-commerce Order Fulfillment System](https://www.fastprep.io/system-design/amazon-order-fulfillment-system) | [![Practice][p]](https://www.fastprep.io/system-design/amazon-order-fulfillment-system) | 🔥 Aug 28, 2026 | | **Indeed** | [Redesign a Production Spam Classifier](https://www.fastprep.io/system-design/production-spam-classifier-redesign) | [![Practice][p]](https://www.fastprep.io/system-design/production-spam-classifier-redesign) | 🔥 Aug 28, 2026 | | **Amazon / Postman / Mintlify / Walmart** | [Design a Collaborative Document Editor](https://www.fastprep.io/system-design/collaborative-document-editor) | [![Practice][p]](https://www.fastprep.io/system-design/collaborative-document-editor) | 🔥 Aug 27, 2026 | @@ -92,10 +94,10 @@ | **Oracle** | [Design a Scheduled Fan-Out Delivery Platform](https://www.fastprep.io/system-design/scheduled-fanout-message-delivery) | [![Practice][p]](https://www.fastprep.io/system-design/scheduled-fanout-message-delivery) | 🔥 Aug 23, 2026 | | **Microsoft** | [Design a Web Crawler and Inverted Index](https://www.fastprep.io/system-design/web-crawler-inverted-search-index) | [![Practice][p]](https://www.fastprep.io/system-design/web-crawler-inverted-search-index) | 🔥 Aug 23, 2026 | | **Walmart / CrowdStrike** | [Design Multi-Cloud Blob Malware Scanning](https://www.fastprep.io/system-design/multicloud-blob-malware-scanning) | [![Practice][p]](https://www.fastprep.io/system-design/multicloud-blob-malware-scanning) | 🔥 Aug 23, 2026 | -| **Zscaler / Amazon / Walmart / Stripe** | [Design a Global Service Metrics Monitoring and Alerting Platform](https://www.fastprep.io/system-design/global-service-metrics-monitoring-and-alerting) | [![Practice][p]](https://www.fastprep.io/system-design/global-service-metrics-monitoring-and-alerting) | 🔥 Aug 22, 2026 | -| **Uber** | [Design a Price Movement Alert Platform](https://www.fastprep.io/system-design/price-movement-alert-platform) | [![Practice][p]](https://www.fastprep.io/system-design/price-movement-alert-platform) | 🔥 Aug 22, 2026 | -| **Citadel / Goldman Sachs** | [Design a Course Registration Platform](https://www.fastprep.io/system-design/course-registration-platform) | [![Practice][p]](https://www.fastprep.io/system-design/course-registration-platform) | 🔥 Aug 22, 2026 | -| **LinkedIn** | [Design a Rolling Shared-Article Leaderboard](https://www.fastprep.io/system-design/rolling-shared-article-leaderboard) | [![Practice][p]](https://www.fastprep.io/system-design/rolling-shared-article-leaderboard) | 🔥 Aug 22, 2026 | +| **Zscaler / Amazon / Walmart / Stripe** | [Design a Global Service Metrics Monitoring and Alerting Platform](https://www.fastprep.io/system-design/global-service-metrics-monitoring-and-alerting) | [![Practice][p]](https://www.fastprep.io/system-design/global-service-metrics-monitoring-and-alerting) | 🆕 Aug 22, 2026 | +| **Uber** | [Design a Price Movement Alert Platform](https://www.fastprep.io/system-design/price-movement-alert-platform) | [![Practice][p]](https://www.fastprep.io/system-design/price-movement-alert-platform) | 🆕 Aug 22, 2026 | +| **Citadel / Goldman Sachs** | [Design a Course Registration Platform](https://www.fastprep.io/system-design/course-registration-platform) | [![Practice][p]](https://www.fastprep.io/system-design/course-registration-platform) | 🆕 Aug 22, 2026 | +| **LinkedIn** | [Design a Rolling Shared-Article Leaderboard](https://www.fastprep.io/system-design/rolling-shared-article-leaderboard) | [![Practice][p]](https://www.fastprep.io/system-design/rolling-shared-article-leaderboard) | 🆕 Aug 22, 2026 | | **Amazon / Lyft / Google / Pinterest** | [Design a Web Crawler](https://www.fastprep.io/system-design/web-crawler) | [![Practice][p]](https://www.fastprep.io/system-design/web-crawler) | 🆕 Aug 21, 2026 | | **Anthropic** | [Design a Model-Weight Deployment Platform](https://www.fastprep.io/system-design/model-weight-deployment-platform) | [![Practice][p]](https://www.fastprep.io/system-design/model-weight-deployment-platform) | 🆕 Aug 21, 2026 | | **ByteDance** | [Cache Avalanche Resilience](https://www.fastprep.io/system-design/cache-avalanche-resilience) | [![Practice][p]](https://www.fastprep.io/system-design/cache-avalanche-resilience) | 🆕 Aug 21, 2026 | @@ -114,7 +116,6 @@ | **OpenAI / Baseten / Amazon** | [Design a Stateless Generative AI Chat Service](https://www.fastprep.io/system-design/stateless-generative-ai-chat-service) | [![Practice][p]](https://www.fastprep.io/system-design/stateless-generative-ai-chat-service) | 🆕 Aug 18, 2026 | | **Pinterest / Slack** | [Design a Typeahead Suggestion Service](https://www.fastprep.io/system-design/typeahead-suggestion-service) | [![Practice][p]](https://www.fastprep.io/system-design/typeahead-suggestion-service) | 🆕 Aug 18, 2026 | | **Pinterest** | [Design an Asynchronous Bulk Record Update Service](https://www.fastprep.io/system-design/asynchronous-bulk-record-update-service) | [![Practice][p]](https://www.fastprep.io/system-design/asynchronous-bulk-record-update-service) | 🆕 Aug 18, 2026 | -| **Harvey / Nike, Inc.** | [Grounded Document-Vault Question Answering](https://www.fastprep.io/system-design/grounded-document-vault-question-answering) | [![Practice][p]](https://www.fastprep.io/system-design/grounded-document-vault-question-answering) | 🆕 Aug 17, 2026 | | **Axon** | [Design a Nearest-Timestamp Device Status Service](https://www.fastprep.io/system-design/nearest-timestamp-device-status) | [![Practice][p]](https://www.fastprep.io/system-design/nearest-timestamp-device-status) | 🆕 Aug 17, 2026 | | **Uber Freight** | [Design a Rolling Restaurant Analytics Dashboard](https://www.fastprep.io/system-design/rolling-restaurant-analytics-dashboard) | [![Practice][p]](https://www.fastprep.io/system-design/rolling-restaurant-analytics-dashboard) | 🆕 Aug 17, 2026 | | **Airtable / Meta** | [Design a Backend Search Engine](https://www.fastprep.io/system-design/backend-search-engine) | [![Practice][p]](https://www.fastprep.io/system-design/backend-search-engine) | 🆕 Aug 16, 2026 | @@ -223,8 +224,8 @@ | **Capillary Technologies** | [Design a Loyalty-Data Insight Platform](https://www.fastprep.io/system-design/loyalty-data-insight-platform) | [![Practice][p]](https://www.fastprep.io/system-design/loyalty-data-insight-platform) | 🆕 Jul 24, 2026 | | **OnePay** | [Design a Community Chat Platform](https://www.fastprep.io/system-design/community-chat-platform) | [![Practice][p]](https://www.fastprep.io/system-design/community-chat-platform) | 🆕 Jul 23, 2026 | | **Roblox** | [Design a Like/Unlike Service](https://www.fastprep.io/system-design/like-unlike-service) | [![Practice][p]](https://www.fastprep.io/system-design/like-unlike-service) | 🆕 Jul 23, 2026 | -| **Amazon / Goldman Sachs** | [Design a Financial Portfolio Dashboard](https://www.fastprep.io/system-design/financial-portfolio-dashboard) | [![Practice][p]](https://www.fastprep.io/system-design/financial-portfolio-dashboard) | 🆕 Jul 22, 2026 | -| **Databricks** | [Design a Chat Application with Message and Thread Deletion](https://www.fastprep.io/system-design/chat-message-and-thread-deletion) | [![Practice][p]](https://www.fastprep.io/system-design/chat-message-and-thread-deletion) | 🆕 Jul 22, 2026 | +| **Amazon / Goldman Sachs** | [Design a Financial Portfolio Dashboard](https://www.fastprep.io/system-design/financial-portfolio-dashboard) | [![Practice][p]](https://www.fastprep.io/system-design/financial-portfolio-dashboard) | Jul 22, 2026 | +| **Databricks** | [Design a Chat Application with Message and Thread Deletion](https://www.fastprep.io/system-design/chat-message-and-thread-deletion) | [![Practice][p]](https://www.fastprep.io/system-design/chat-message-and-thread-deletion) | Jul 22, 2026 | | **Amazon** | [Design a Distributed Recurring Workflow Scheduler](https://www.fastprep.io/system-design/distributed-recurring-workflow-scheduler) | [![Practice][p]](https://www.fastprep.io/system-design/distributed-recurring-workflow-scheduler) | Jul 21, 2026 | | **Amperity** | [Design a Read-Once Secret Sharing Service](https://www.fastprep.io/system-design/read-once-secret-sharing) | [![Practice][p]](https://www.fastprep.io/system-design/read-once-secret-sharing) | Jul 21, 2026 | | **Ramp** | [Design a Real-Time Payment Count Dashboard](https://www.fastprep.io/system-design/real-time-payment-count-dashboard) | [![Practice][p]](https://www.fastprep.io/system-design/real-time-payment-count-dashboard) | Jul 20, 2026 | @@ -251,11 +252,14 @@ | **Amazon** | [Design an Amazon Locker System](https://www.fastprep.io/system-design/amazon-locker-system) | [![Practice][p]](https://www.fastprep.io/system-design/amazon-locker-system) | May 26, 2026 | | **Postman** | [Design a Social Feed and Post Detail Experience](https://www.fastprep.io/system-design/social-feed-and-post-detail-experience) | [![Practice][p]](https://www.fastprep.io/system-design/social-feed-and-post-detail-experience) | May 21, 2026 | | **ByteDance** | [Design an Event Booking and Analytics Platform](https://www.fastprep.io/system-design/event-booking-and-analytics-platform) | [![Practice][p]](https://www.fastprep.io/system-design/event-booking-and-analytics-platform) | May 07, 2026 | -| **Perplexity AI** | [Design a Personal Finance Aggregation Platform](https://www.fastprep.io/system-design/personal-finance-aggregation-platform) | [![Practice][p]](https://www.fastprep.io/system-design/personal-finance-aggregation-platform) | May 01, 2026 | +| **Perplexity AI / Datadog** | [Design a Personal Finance Aggregation Platform](https://www.fastprep.io/system-design/personal-finance-aggregation-platform) | [![Practice][p]](https://www.fastprep.io/system-design/personal-finance-aggregation-platform) | May 01, 2026 | +| **Datadog** | [Find a Target Photo in a Stream](https://www.fastprep.io/system-design/photo-stream-exact-match-search) | [![Practice][p]](https://www.fastprep.io/system-design/photo-stream-exact-match-search) | Apr 30, 2026 | | **Zoox** | [Design a Robotaxi Teleoperations Analytics Platform](https://www.fastprep.io/system-design/robotaxi-teleoperations-analytics-platform) | [![Practice][p]](https://www.fastprep.io/system-design/robotaxi-teleoperations-analytics-platform) | Apr 26, 2026 | | **Discord** | [Design a Video Call Analytics Platform](https://www.fastprep.io/system-design/video-call-analytics-platform) | [![Practice][p]](https://www.fastprep.io/system-design/video-call-analytics-platform) | Apr 26, 2026 | | **Amazon** | [Design a Fastag Toll Payment System](https://www.fastprep.io/system-design/fastag-toll-payment-system) | [![Practice][p]](https://www.fastprep.io/system-design/fastag-toll-payment-system) | Apr 25, 2026 | | **Google / Datadog** | [Design a Real-Time Anomaly Detection Service](https://www.fastprep.io/system-design/real-time-anomaly-detection-service) | [![Practice][p]](https://www.fastprep.io/system-design/real-time-anomaly-detection-service) | Apr 15, 2026 | +| **Datadog** | [Design Memory-Bounded Ordinary Least Squares](https://www.fastprep.io/system-design/memory-bounded-ordinary-least-squares) | [![Practice][p]](https://www.fastprep.io/system-design/memory-bounded-ordinary-least-squares) | Apr 15, 2026 | +| **Datadog** | [Design Server Latency Detection and On-Call Paging](https://www.fastprep.io/system-design/server-latency-detection-and-paging) | [![Practice][p]](https://www.fastprep.io/system-design/server-latency-detection-and-paging) | Apr 15, 2026 | | **Cohere** | [Enterprise Research Assistant](https://www.fastprep.io/system-design/enterprise-research-assistant) | [![Practice][p]](https://www.fastprep.io/system-design/enterprise-research-assistant) | Apr 01, 2026 | | **Autodesk** | [Design a Rapid Grocery Ordering Platform](https://www.fastprep.io/system-design/rapid-grocery-ordering-platform) | [![Practice][p]](https://www.fastprep.io/system-design/rapid-grocery-ordering-platform) | Mar 18, 2026 | | **Datadog** | [Design a Real-Time Collaborative Pixel Canvas](https://www.fastprep.io/system-design/real-time-collaborative-pixel-canvas) | [![Practice][p]](https://www.fastprep.io/system-design/real-time-collaborative-pixel-canvas) | Jan 06, 2026 |