很裸,左点阵n,右点阵m 问最大匹配是否为n #include <cstdio> #include <cstring> #include <vector> using namespace std; vector <int> edge[103]; int pre[303]; bool vis[303]; int n, m; bool dfs(int u) { for(int i = 0; i < (int)edge[u].size(); i++) { i…
Girls and Boys Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6867 Accepted Submission(s): 3083 Problem Description the second year of the university somebody started a study on the romant…
Fire Net Time Limit: 2 Seconds Memory Limit: 65536 KB Suppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each representing a street or a piece of wall. A blockhouse is a small c…
题目:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2361 来源:http://acm.hust.edu.cn/vjudge/contest/view.action?cid=26760#problem/B Beloved Sons Time Limit: 2 Seconds Memory Limit: 65536 KB Special Judge Once upon a time there liv…