C: 最舒适的路线 (并查集) #include<cstdio> #include<cstring> #include<iostream> #include<algorithm> using namespace std; #define INF 20000000 struct point { int x, y, v; }; point node[]; ]; bool cmp(point a, point b) { return a.v < b.v;/…
比赛链接: http://202.197.224.59/OnlineJudge2/index.php/Contest/problems/contest_id/36 题目来源: 2014嘉杰信息杯ACM/ICPC湖南程序设计邀请赛暨第六届湘潭市程序设计竞赛 × Problem A A simple problem (求N % 1 + N % 2 + ....+ N % N, 待补) ? Problem B Path √ Problem C Range (单调栈) √ Problem…
挑战密室 时间限制:1000 ms | 内存限制:65535 KB 难度:4 描述 R组织的特工Dr. Kong 为了寻找丢失的超体元素,不幸陷入WTO密室.Dr. Kong必须尽快找到解锁密码逃离,否则几分钟之后,WTO密室即将爆炸. Dr. Kong发现密室的墙上写了许多化学方程式中.化学方程式,也称为化学反应方程式,是用化学式表示物质化学反应的式子.化学方程式反映的是客观事实.因此书写化学方程式要遵守两个原则:一是必须以客观事实为基础:二是要遵守质量守恒定律. 化学方程式不仅表明了…
1488: River Crossing Time Limit: 1 Sec Memory Limit: 128 MB Submit: 83 Solved: 42 SubmitStatusWeb Board Description Afandi is herding N sheep across the expanses of grassland when he finds himself blocked by a river. A single raft is available for…
XiaoMing likes mathematics, and heis just learning how to convert numbers between different bases , but he keeps making errorssince he is only 6 years old. Whenever XiaoMing converts a number to a new base and writes downthe result, he always writes…
Problem Description The famous "Alice and Bob" are playing a game again. So now comes the new problem which need a person smart as you to decide the winner. The problem is as follows: They are playing on a rectangle paper, Alice and Bob take tur…