链接：http://poj.org/problem?id=1694http://acm.hust.edu.cn/vjudge/contest/view.action?cid=27454#problem/EAn Old Stone GameTime Limit:1000MSMemory Limit:10000KTotal Submissions:3132Accepted:1422DescriptionThere is an old stone game, played on an arbitrary general tree T. The goal is to put one stone on Read More
链接：http://poj.org/problem?id=2092http://acm.hust.edu.cn/vjudge/contest/view.action?cid=27454#problem/DGrandpa is FamousTime Limit:2000MSMemory Limit:30000KTotal Submissions:7210Accepted:3650DescriptionThe whole family was excited by the news. Everyone knew grandpa had been an extremely good bridge p Read More
链接：http://poj.org/problem?id=2993http://acm.hust.edu.cn/vjudge/contest/view.action?cid=27454#problem/CEmag eht htiw Em PlehTime Limit:1000MSMemory Limit:65536KTotal Submissions:2280Accepted:1531DescriptionThis problem is a reverse case of theproblem 2996. You are given the output of the problem H an Read More
链接：http://poj.org/problem?id=1068http://acm.hust.edu.cn/vjudge/contest/view.action?cid=27454#problem/BParencodingsTime Limit:1000MSMemory Limit:10000KTotal Submissions:17044Accepted:10199DescriptionLet S = s1 s2...s2n be a well-formed string of parentheses. S can be encoded in two different ways:q B Read More