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253. Meeting Rooms II

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Description

Given an array of meeting time intervals intervals where intervals[i] = [starti, endi], return the minimum number of conference rooms required.

 

Example 1:

Input: intervals = [[0,30],[5,10],[15,20]]
Output: 2

Example 2:

Input: intervals = [[7,10],[2,4]]
Output: 1

 

Constraints:

• 1 <= intervals.length <= 104
• 0 <= starti < endi <= 106

Solutions

Python3

Java

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