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[DaleSeo] WEEK 13 Solutions #2862

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[DaleSeo] WEEK 13 Solutions #2862

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20 changes: 20 additions & 0 deletions insert-interval/DaleSeo.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
// TC: O(n)
// SC: O(n)
impl Solution {
pub fn insert(intervals: Vec<Vec<i32>>, mut new_interval: Vec<i32>) -> Vec<Vec<i32>> {
let mut result = Vec::with_capacity(intervals.len() + 1);
let mut iter = intervals.into_iter().peekable();

while let Some(interval) = iter.next_if(|i| i[1] < new_interval[0]) {
result.push(interval);
}
while let Some(interval) = iter.next_if(|i| i[0] <= new_interval[1]) {
new_interval[0] = new_interval[0].min(interval[0]);
new_interval[1] = new_interval[1].max(interval[1]);
}
result.push(new_interval);
result.extend(iter);

result
}
}
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