poj3660(Cow Contest)解题报告】的更多相关文章

Solution: 传递闭包 //if a beats b and b beats c , then a beats c //to cow i, if all the result of content(n-1) has been known,    //then the rank can be determined #include <stdio.h> #include <stdlib.h> #include <stdbool.h> #define maxn 1000…
Cow Contest DescriptionN (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all know, some cows code better than others. Each cow has a certain constant skill rating that is unique among the competitors.…
  Cow Contest Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 17797   Accepted: 9893 Description N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all know, some cows code better than oth…
Cow Contest Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 16941   Accepted: 9447 题目链接:http://poj.org/problem?id=3660 Description: N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all k…
nocows解题报告------------------------------------------------------------------------------------------------------------------------------------------------[题目] 给你N个点,生成一棵K层的树,有s种情况.请输出s%9901的值. 要求很简单,每个点只能有0个或2个孩子.[数据范围] 3<=N<200 1<K<100[输入格式]…
题目链接:http://poj.org/problem?id=3660 Cow Contest Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 13085   Accepted: 7289 Description N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all kn…
题目链接:http://poj.org/problem?id=3660 Description N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all know, some cows code better than others. Each cow has a certain constant skill rating that is uniq…
Description N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all know, some cows code better than others. Each cow has a certain constant skill rating that is unique among the competitors. The contes…
N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all know, some cows code better than others. Each cow has a certain constant skill rating that is unique among the competitors. The contest is conduct…
poj3660 题意: 有n头牛, 给你m对关系(a, b)表示牛a能打败牛b, 求在给出的这些关系下, 能确定多少牛的排名. 分析: 在这呢先说一下关系闭包: 关系闭包有三种: 自反闭包(r), 对称闭包(s), 传递闭包(t). 先画出 R 的关系图,再画出 r(R), s(R), t(R) 的关系图.                        我们今天用的是传递闭包.   仅作为个人理解 传递闭包: 关系之间具有传递性(例如a> b, b> c, 那么a> c), 在那些已给出…