Leetcode-Question-253: Meeting Rooms II

原文链接:

https://leetcode.com/problems/meeting-rooms-ii

讨论链接:

https://discuss.leetcode.com/category/317/meeting-rooms-ii

题目描述:Medium难度

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.

For example,
Given [[0, 30],[5, 10],[15, 20]],
return 2.

解析:

 

 

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