B. Approximating a Constant Range When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowly approached equilibrium. A good way to determine the equilibrium intensity would be choosing a suffi…

B. Approximating a Constant Range Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/602/problem/B Description When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowl…

B. Approximating a Constant Range Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/602/problem/B Description When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowl…

B. Approximating a Constant Range time limit per test 2 seconds memory limit per test 256 megabytes   When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowly approached equilibrium. A good…

time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowly approached equilibrium. A g…

Description When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowly approached equilibrium. A good way to determine the equilibrium intensity would be choosing a sufficiently large number o…

Description through n) and m bidirectional railways. There is also an absurdly simple road network — for each pair of different towns x and y, there is a bidirectional road between towns x and yif and only if there is no railway between them. Travell…

(●'◡'●) #include<iostream> #include<cstdio> #include<cmath> #include<algorithm> #include<cstring> #include<string> #include<cstdlib> #include<vector> #include<stack> #include<map> using namespace…

题目地址 先简单的总结一下这次CF,前两道题非常的水,可是第一题又是因为自己想的不够周到而被Hack了一次(或许也应该感谢这个hack我的人,使我没有最后在赛后测试中WA).做到C题时看到题目情况非常复杂,明显超出自己现在水平,卡了很久也没有好好做题.等了很长时间才开始看D题,而这时信心已经严重不足.赛后再看D题才发现自己比赛时理解错了题意,致使误以为题目非常复杂.而实际上,这个过程分析起来是非常容易的. 对于三种棱长度分别为a,b,c的石头,r最大为min(a,b,c)/2;. 如果两个石头要…

CodeForces.158A Next Round (水模拟) 题意分析 校赛水题的英文版,坑点就是要求为正数. 代码总览 #include <iostream> #include <cstdio> #include <algorithm> #include <cstring> #include <sstream> #include <set> #include <map> #include <queue>…