Non Overlapping Intervals
Detailed guide and Python implementation for the 'Non Overlapping Intervals' problem.
Problem Statement
Given an array of intervals intervals where intervals[i] = [starti, endi], return the minimum number of intervals you need to remove to make the rest of the intervals non-overlapping.
Write a function eraseOverlapIntervals(intervals: List[List[int]]) -> int.
- •1 <= len(intervals) <= 10^5
- •intervals[i].length == 2
- •-5 * 10^4 <= starti < endi <= 5 * 10^4
Examples
intervals = [[1,2],[2,3],[3,4],[1,3]]
1
[1,3] can be removed and the rest are non-overlapping.
intervals = [[1,2],[1,2],[1,2]]
2
Remove two [1,2] to make the rest non-overlapping.
intervals = [[1,2],[2,3]]
0
Already non-overlapping.
Need a Hint?
Edge Cases to Watch
- Empty input structures
- Single element inputs
- Large numerical bounds
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