Meeting Rooms II
Medium
Topics
Given meeting intervals (each [start, end]), return the minimum number of conference rooms required.
Example 1
Input: grid = [[0,30],[5,10],[15,20]] Output: 2
Example 2
Input: grid = [[7,10],[2,4]] Output: 1
Constraints
- 1 <= intervals.length <= 10^4
- intervals[i].length == 2
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