Triangle LOVE（拓扑排序）

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Triangle LOVE(拓扑排序)

Triangle LOVE Time Limit : 2000/1000ms (Java/Other) Memory Limit : 65536/65536K (Java/Other) Total Submission(s) : 49 Accepted Submission(s) : 30 Problem Description Recently, scientists find that there is love between any of two people. For exam…

HDU 4324 Triangle LOVE 拓扑排序

Problem Description Recently, scientists find that there is love between any of two people. For example, between A and B, if A don't love B, then B must love A, vice versa. And there is no possibility that two people love each other, what a crazy wor…

hdoj 4324 Triangle LOVE【拓扑排序判断是否存在环】

Triangle LOVE Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 3566 Accepted Submission(s): 1395 Problem Description Recently, scientists find that there is love between any of two people. For…

HDU 4324 Triangle LOVE （拓扑排序）

Triangle LOVE Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1707 Accepted Submission(s): 729 Problem Description Recently, scientists find that there is love between any of two people. For…

HDU4324 Triangle LOVE【拓扑排序】

Triangle LOVE Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 2683 Accepted Submission(s): 1084 Problem Description Recently, scientists find that there is love between any of two people. Fo…

HDU 4324 (拓扑排序) Triangle LOVE

因为题目说了,两个人之间总有一个人喜欢另一个人,而且不会有两个人互相喜欢.所以只要所给的图中有一个环,那么一定存在一个三元环. 所以用拓扑排序判断一下图中是否有环就行了. #include <cstdio> #include <cstring> + ; char G[maxn][maxn]; int c[maxn]; int n; bool dfs(int u) { c[u] = -; ; v < n; v++) ') { ) return false; if(!c[v] &…

hdu 4324 Triangle LOVE（拓扑排序，基础）

题目 /***************************参考自****************************/ http://www.cnblogs.com/newpanderking/archive/2012/10/16/2726757.html 上有详细注解,我是看了之后写的,我的代码有一咪咪的改动 //这是一道典型的拓扑排序的题,刚开始时没有理解,//上网查了好多关于拓扑排序的知识才明白,//就是针对一个顶点活动网(Activity On Vertex network),简…