#include<iostream> #include<queue> #include<cstring> using namespace std; +,INF=0x3f3f3f3f; int h[N],e[N],ne[N],w[N],idx; int n,m,x; int dist[N]; bool st[N]; struct node{ int from; int to; int w; }p[N]; void add(int a,int b,int c) { e[id…
题目链接:http://poj.org/problem?id=3268 Silver Cow Party Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 19211 Accepted: 8765 Description One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow…
POJ 3268 Silver Cow Party (最短路径) Description One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party to be held at farm #X (1 ≤ X ≤ N). A total of M (1 ≤ M ≤ 100,000) unidirectional (one-way roads c…