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# include < iostream ># include < cstring ># include <queue ># include <vector >const int maxn =100020;using namespace std;int dis[ maxn ],ans;bool vis[ maxn ];vector ...

There are so many different religions in the world today that it is difficult to keep track of them all. You are interested in finding out how many different religions students in your university beli...

某省调查乡村交通状况，得到的统计表中列出了任意两村庄间的距离。省政府“畅通工程”的目标是使全省任何两个村庄间都可以实现公路交通（但不一定有直接的公路相连，只要能间接通过公路可达即可），并要求铺设的公路总长度为最小。请计算最小的公路总长度。 Input测试输入包含若干测试用例。每个测试用例的第1行给出村庄数目N ( < 100 )；随后的N(N-1)/2行对应村庄间的距离，每行给出一对...

Many of us had played the game "Battle city" in our childhood, and some people (like me) even often play it on computer now. What we are discussing is a simple edition of this game. Given a map t...

#include<iostream>#include<cstring>#define ms(a) memset(a,0,sizeof(a))using namespace std;const int maxn=1e3+10;int n,m;int a[maxn][maxn];int in[maxn];void toposort(){ for...

ACM-DIY is a large QQ group where many excellent acmers get together. It is so harmonious that just like a big family. Every day,many "holy cows" like HH, hh, AC, ZT, lcc, BF, Qinz and so on chat on-l...

After hearing about the epidemic of obesity in the USA, Farmer John wants his cows to get more exercise, so he has committed to create a bovine marathon for his cows to run. The marathon route will in...

Angel was caught by the MOLIGPY! He was put in prison by Moligpy. The prison is described as a N * M (N, M <= 200) matrix. There are WALLs, ROADs, and GUARDs in the prison. Angel's friends want to...

点击打开题目链接 确定比赛名次Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 25373    Accepted Submission(s): 10181Problem Description有N个比赛队（1<=...

#include <cstdio>#include <cstring>#include <algorithm>using namespace std;const int MAXV = 1005;const int MAXE = 50005;const int INF = 0x3f3f3f3f;int cost[MAXV][MAXV];int m...