Silver Cow Party Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 22864   Accepted: 10449 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…

Silver Cow Party Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Submit Status Practice POJ 3268 Description One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party to b…

Silver Cow Party Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 17017   Accepted: 7767 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 …

Silver Cow Party 题目链接: http://acm.hust.edu.cn/vjudge/contest/122685#problem/D 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 ≤…

题目 Dijkstra,正反两次最短路,求两次和最大的. #define _CRT_SECURE_NO_WARNINGS //这是找出最短路加最短路中最长的来回程 //也就是正反两次最短路相加找最大的和 #include<string.h> #include<stdio.h> #include<math.h> #include<algorithm> using namespace std; ; #define typec int const typec IN…

题意:有n个地点,有m条路,问从所有点走到指定点x再走回去的最短路中的最长路径 思路:用Floyd超时的,这里用的Dijkstra. Dijkstra感觉和Prim和Kruskal的思路很像啊.我们把所有点分为两个集合:S(和源点在同一集合),T(其余点),用dis数组表示每个点到S的最短距离,vis数组记录这个点是否在S中.我们每次找出在T的一个和S距离最短的点,加到S中,这个距离就是他到源点的最短路径(听说能证,我不会证...),然后更新其他点,直到所有点都在S. 这道题从x走回去很简单,就…

POJ 3268 Silver Cow Party 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 connects…

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…

原题链接:http://poj.org/problem?id=3268 Silver Cow Party Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 15545   Accepted: 7053 Description One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow…

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…