POJ 3660-Cow Contest(最短路的变形)
Cow ContestTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 14517 Accepted: 8137题目链接:点击打开链接DescriptionN (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming cont...