From 9e0e47c76ed5b0ee39db375d53d7d2e90877918e Mon Sep 17 00:00:00 2001
From: Cal Barkman <callahan.barkman@gmail.com>
Date: Fri, 17 Oct 2025 23:40:48 -0700
Subject: [PATCH 1/2] Problem 014 - not finished

---
 problem_014/solution.py      | 35 +++++++++++++++++++++++++++++++++++
 problem_014/test_inputs.json | 29 +++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+)
 create mode 100644 problem_014/solution.py
 create mode 100644 problem_014/test_inputs.json

diff --git a/problem_014/solution.py b/problem_014/solution.py
new file mode 100644
index 0000000..8e01e7d
--- /dev/null
+++ b/problem_014/solution.py
@@ -0,0 +1,35 @@
+# Extra header to ensure that tests can run individually and as a suite
+#  -------------------------------------------------------------------
+import sys
+from pathlib import Path
+# Add the project root folder to the Python path
+sys.path.append(str(Path(__file__).resolve().parents[1]))
+#  -------------------------------------------------------------------
+
+# Now you can import your wrapper
+from test_runner.wrapper import run_tests
+from typing import List
+
+class Solution:
+    def longestCommonPrefix(self, strs: List[str]) -> str:
+        prefix = strs[0]
+        for word in strs:
+            word_len = len(word)
+            try:
+                for iter in range(word_len):
+                    if(prefix[iter] != word[iter]):
+                        break
+                prefix = word[0:iter]
+            except Exception as e:
+                print(f"Exception e = {e}")
+        return prefix
+
+if __name__ == "__main__":
+    # Get the directory where this solution.py script lives
+    script_dir = Path(__file__).parent
+    
+    # Join the script's directory with the JSON filename to create a full path
+    # Make sure your file is actually named "test_inputs.json"!
+    test_file_path = script_dir / "test_inputs.json"
+    
+    run_tests(Solution, test_file_path)
\ No newline at end of file
diff --git a/problem_014/test_inputs.json b/problem_014/test_inputs.json
new file mode 100644
index 0000000..d22c884
--- /dev/null
+++ b/problem_014/test_inputs.json
@@ -0,0 +1,29 @@
+{
+    "method": "longestCommonPrefix",
+    "tests": [
+        {
+            "Input": {
+                "strs": ["flower","flow","flight"]
+            },
+            "Output": "fl"
+        },
+        {
+            "Input": {
+                "strs": ["dog","racecar","car"]
+            },
+            "Output": ""
+        },
+        {
+            "Input": {
+                "strs": ["ab", "a"]
+            },
+            "Output": "a"
+        },
+        {
+            "Input": {
+                "strs": ["reflower","flow","flight"]
+            },
+            "Output": ""
+        }
+    ]
+}
\ No newline at end of file

From 4465253fd00f78ae51d178a634d88312b5ea8691 Mon Sep 17 00:00:00 2001
From: Cal Barkman <callahan.barkman@gmail.com>
Date: Fri, 17 Oct 2025 23:47:01 -0700
Subject: [PATCH 2/2] Fixed logic error in problem 014

---
 problem_014/solution.py | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/problem_014/solution.py b/problem_014/solution.py
index 8e01e7d..5ffa96f 100644
--- a/problem_014/solution.py
+++ b/problem_014/solution.py
@@ -15,13 +15,14 @@ def longestCommonPrefix(self, strs: List[str]) -> str:
         prefix = strs[0]
         for word in strs:
             word_len = len(word)
-            try:
-                for iter in range(word_len):
-                    if(prefix[iter] != word[iter]):
-                        break
-                prefix = word[0:iter]
-            except Exception as e:
-                print(f"Exception e = {e}")
+            prefix_len = len(prefix)
+            iter = 0
+            while(iter < word_len and iter < prefix_len):
+                if(prefix[iter] != word[iter]):
+                    break
+                else:
+                    iter = iter + 1
+            prefix = prefix[0:iter]
         return prefix
 
 if __name__ == "__main__":