摘要：题目链接：http://codeforces.com/problemset/problem/16/E n fish, numbered from 1 to n, live in a lake. Every day right one pair of fish meet, and the probab 阅读全文

摘要：题目链接：http://codeforces.com/problemset/problem/11/D Given a simple graph, output the number of simple cycles in it. A simple cycle is a cycle with no r 阅读全文

摘要：题目链接：http://codeforces.com/problemset/problem/8/C C. Looking for Order time limit per test 4 seconds memory limit per test 512 megabytes input standar 阅读全文

摘要：题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=5418 Victor and World Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/131072 K (Java/Others 阅读全文

摘要：题目链接：http://poj.org/problem?id=3311 学习博客：https://blog.csdn.net/u013480600/article/details/19692985 Hie with the Pie Time Limit: 2000MS Memory Limit: 6 阅读全文

摘要：题目链接：http://poj.org/problem?id=3254 学习博客：https://blog.csdn.net/harrypoirot/article/details/23163485 Corn Fields Time Limit: 2000MS Memory Limit: 65536 阅读全文