56. Merge Intervals
Medium
Given an array of intervals where intervals[i] = [starti, endi]
, merge all
overlapping intervals, and return an array of the non-overlapping intervals that
cover all the intervals in the input.
Example 1:
Input: intervals = [[1,3],[2,6],[8,10],[15,18]]
Output: [[1,6],[8,10],[15,18]]
Explanation: Since intervals [1,3] and [2,6] overlap, merge them into [1,6].
Example 2:
Input: intervals = [[1,4],[4,5]]
Output: [[1,5]]
Explanation: Intervals [1,4] and [4,5] are considered overlapping.
Constraints:
- 1 <= intervals.length <= 104
- intervals[i].length == 2
- 0 <= starti <= endi <= 104