heappush(free_rooms, intervals[0][1]) # 从第二个会议开始遍历 for i in intervals[1:]: # 如果当前会议的开始时间大于等于最小堆中的最早结束时间 # 说明这个会议室可以被重复使用 # 因此我们可以移除堆顶元素(最早结束的会议室) if i[0] >= free_rooms[0]: heapq.heappop(free_rooms) # 将当前...
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]], return2. 252. Meeting Rooms的拓展,同样给一个开会的区间数组,返回最少...
时间复杂度为O(NlogN)。 /** * Definition for an interval. * struct Interval { * int start; * int end; * Interval() : start(0), end(0) {} * Interval(int s, int e) : start(s), end(e) {} * };*/classSolution {public:intminMeetingRooms(vector<Interval>&intervals) { typedef...
日期 题目地址:https://leetcode-cn.com/problems/meeting-rooms/ 题目描述 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, 2...
public class Solution { public int minMeetingRooms(Interval[] intervals) { if(intervals == null || intervals.length == 0) return 0; Arrays.sort(intervals, new Comparator<Interval>(){ public int compare(Interval i1, Interval i2){
Meeting Rooms II 会议室之二 一堆[start, end]的数组, 不重合的二元对放在一起,最少组成多少组? 先按start排序。一个一个插入考虑 每次start进入时候,考虑跟之前最小的end比较,假如start<最小的end,肯定不对头。这种方法需要最小堆 classSolution{public:intminMeetingRooms(vector<vector<int>>&intervals){...
0253-Meeting-Rooms-II/cpp-0253 CMakeLists.txt main.cpp main2.cpp main3.cpp main4.cpp 0254-Factor-Combinations 0257-Binary-Tree-Paths 0259-3Sum-Smaller 0268-Missing-Number 0279-Perfect-Squares 0282-Expression-Add-Operators 0283-Move-Zeroes 0286-Walls-and-Gates 0287-Find-t...
题目描述 题目描述 题解 提交记录 提交记录 代码 排序 不限 登录并分享题解 登录 9 1 2 › [[0,30],[5,10],[15,20]] [[7,10],[2,4]] Source 该题目是 Plus 会员专享题 感谢使用力扣!您需要升级为 Plus 会员来解锁该题目 升级Plus 会员...
NOTE: input types have been changed on April 15, 2019. Please reset to default code definition to get new method signature. 我的答案: classSolution{public:intminMeetingRooms(vector<vector<int>>&intervals){typedefpair<int,bool>Event;vector<Event>events;for(constauto&interval:intervals){events.pus...
[LeetCode] 253. Meeting Rooms II Given an array of meeting time intervalsintervalswhereintervals[i] = [starti, endi], returnthe minimum number of conference rooms required. Example 1: Input: intervals = [[0,30],[5,10],[15,20]]