Legal or NotTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 11170    Accepted Submission(s): 5230 Problem DescriptionACM-DIY is a large QQ group where many excellent acmers get together. It is s…

HDU.3342 Legal or Not (拓扑排序 TopSort) 题意分析 裸的拓扑排序 根据是否成环来判断是否合法 详解请移步 算法学习 拓扑排序(TopSort) 代码总览 #include <iostream> #include <iostream> #include <cstdio> #include <algorithm> #include <cstring> #include <sstream> #include…

题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=3342 Legal or Not Description ACM-DIY is a large QQ group where many excellent acmers get together. It is so harmonious that just like a big family. Every day,many "holy cows" like HH, hh, AC, ZT, l…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3342 Legal or Not Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7416    Accepted Submission(s): 3541 Problem Description ACM-DIY is a large QQ gr…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3342 题目大意:n个点,m条有向边,让你判断是否有环. 解题思路:裸题,用dfs版的拓扑排序直接套用即可. 代码: #include<iostream> #include<cstdio> #include<cstring> using namespace std; ; int n,m; int vis[N]; bool G[N][N]; bool dfs(int u){ v…

Legal or Not Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 5906    Accepted Submission(s): 2734 Problem Description ACM-DIY is a large QQ group where many excellent acmers get together. It is…

Legal or Not Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 42   Accepted Submission(s) : 32 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description ACM-DIY is a large QQ gr…

Legal or Not Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 11382    Accepted Submission(s): 5346 Problem Description ACM-DIY is a large QQ group where many excellent acmers get together. It is…

Legal or Not Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6580    Accepted Submission(s): 3088 Problem Description ACM-DIY is a large QQ group where many excellent acmers get together. It is…

Legal or Not Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 9125    Accepted Submission(s): 4231 Problem Description ACM-DIY is a large QQ group where many excellent acmers get together. It is…