#1132Medium#7 in Nutanix's list· asked at 51 companies
Merge Intervals
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What we know
Example 1
Input: intervals = [[1,3],[2,6],[8,10],[15,18]] Output: [[1,6],[8,10],[15,18]]
[1,3] and [2,6] overlap, so they merge into [1,6].
Example 2
Input: intervals = [[1,4],[4,5]] Output: [[1,5]]
Intervals that touch are considered overlapping.
Constraints
- •
1 <= intervals.length <= 10^4 - •
intervals[i].length == 2 - •
0 <= start_i <= end_i <= 10^4