chensunrise

摘要： 题目描述Bruce Force's keyboard is broken, only a few keys are still working. Bruce has figured out he can still type texts by switching the keyboard layou... 阅读全文

摘要： DescriptionIn modern society, each person has his own friends. Since all the people are very busy, they communicate with each other only by phone. You... 阅读全文

摘要： 题目描述Dominos are lots of fun. Children like to stand the tiles on their side in long lines. When one domino falls, it knocks down the next one, which k... 阅读全文

摘要： 题目描述Dominos are lots of fun. Children like to stand the tiles on their side in long lines. When one domino falls, it knocks down the next one, which k... 阅读全文

摘要： DescriptionMirko works on a pig farm that consists of M locked pig-houses and Mirko can't unlock any pighouse because he doesn't have the keys. Custom... 阅读全文

摘要： 题目描述Timy is visiting a beautiful park. There are M rivers and N lakes(marked 1-N), any two lakes are connected by at most one river. He knows that the... 阅读全文

摘要： DescriptionConsider a group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determine whether it ... 阅读全文

摘要： Description有n对夫妻被邀请参加一个聚会，因为场地的问题，每对夫妻中只有1人可以列席。在2n 个人中，某些人之间有着很大的矛盾（当然夫妻之间是没有矛盾的），有矛盾的2个人是不会同时出现在聚会上的。有没有可能会有n 个人同时列席？Inputn： 表示有n对夫妻被邀请 (n#include#i... 阅读全文

摘要： 题目描述In the Game Red Alert, a group of soviet infantry marches towards our base. And we have N Prism Tanks to defend our base. Suppose the coming infan... 阅读全文

摘要： Problem DescriptionGiven a circle sequence A[1],A[2],A[3]......A[n]. Circle sequence means the left neighbour of A[1] is A[n] , and the right neighbou... 阅读全文