creator平

题目链接：https://www.luogu.org/problem/P3376#include<bits/stdc++.h>#define inf 0x3f3f3f3fusing namespace std;queue<int> q;int n,m,s,t,tot;int head[10010],pre[10010],maxflow,flow[10010]...

You are in charge of setting up the press room for the inaugural meeting of the United Nations Internet eXecutive (UNIX), which has an international mandate to make the free flow of information and id...

Cows are such finicky eaters. Each cow has a preference for certain foods and drinks, and she will consume no others.Farmer John has cooked fabulous meals for his cows, but he forgot to check his me...

On a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either horizontally, or vertically, to an adjacent point. For each little man, you need t...