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Description You are given a bunch of wooden sticks. Each endpoint of each stick is colored with some color. Is it possible to align the sticks ... 阅读全文
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Description Some of the secret doors contain a very interesting word puzzle. The team of archaeologists has to solve it to open that doors. Bec... 阅读全文
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Description Ali has taken the Computer Organization and Architecture course this term. He learned that there may be dependence between instructi... 阅读全文
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Description Dandelion's uncle is a boss of a factory. As the spring festival is coming , he wants to distribute rewards to his workers. Now he h... 阅读全文
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Description 有一群人，打乒乓球比赛，两两捉对撕杀，每两个人之间最多打一场比赛。 球赛的规则如下： 如果A打败了B，B又打败了C，而A与C之间没有进行过比赛，那么就认定，A一定能打败C。 如果A打败了B，B又打败了C，而且，C又打败了A，那么A、B、C三者都不可能成为冠军... 阅读全文
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Description 有N个比赛队（1#include #include #include using namespace std;int a[510][510],rd[510],z[510];void bfs(int n){ int x=0; while(x<n) ... 阅读全文