Shade of Hallelujah Mountain Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536…

Codeforces Beta Round #80 (Div. 2 Only) A Blackjack1 题意 一共52张扑克，A代表1或者11,2-10表示自己的数字，其他都表示10 现在你已经有一个queen了，问你…

D. Bear and Polynomials 题目连接： http://www.codeforces.com/contest/658/problem/D Description Limak is a little po…

　　　第一题：按顾客访问猪圈的顺序依次构图（顾客为结点），汇点->第一个顾客->第二个顾客->…->汇点     //第一道网络流 //Ford-Fulkerson…

Friendship of Frog Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5578…

Difference of Clustering Time Limit: 1 Sec   Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.…

B. Beautiful Paintings 题目连接： http://www.codeforces.com/contest/651/problem/B Description There are n pictures …

1798: [Ahoi2009]Seq 维护序列seq Time Limit: 1 Sec  Memory Limit: 256 MB 题目连接 http://www.lydsy.com/JudgeO…

Reflect Time Limit: 1 Sec   Memory Limit: 256 MB 题目连接 http://bestcoder.hdu.edu.cn/contests/contest_chines…

Travel Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others…

E. DNA Evolution 题目连接： http://codeforces.com/contest/828/problem/E Description Everyone knows that DNA strands…

Finding crosses Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submiss…