Meeting Rooms II
Given an array of meeting time intervals consisting of start and end times [[s1,e1],[s2,e2],...] (si < ei), find the minimum number of conference rooms required.
Meeting Rooms II

Given an array of meeting time intervals consisting of start and end times [[s1,e1],[s2,e2],...] (si < ei), find the minimum number of conference rooms required.

Example 1:
Input: [[0,30],[5,10],[15,20]]
Output: 2
Input
arr =[[0,30],[5,10],[15,20]]

Start. Sort start times and end times.

[0,30]
[5,10]
[15,20]
Prev End
-Inf
Removed Count
0
Variables
No variables to display
DepthFunction Call
Stack empty
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