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http://poj.org/problem?id=2236 An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network with 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=1272 Problem Description 上次Gardon的迷宫城堡小希玩了很久（见Problem B），现在她也想设计一个迷宫让Gardon来走。但是她设计迷宫的思路不一样，首先她认为所有的通道都应该是双向 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=1213 Problem Description Today is Ignatius' birthday. He invites a lot of friends. Now it's dinner time. Ign 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=2151 Problem Description 自从见识了平安夜苹果的涨价后，Lele就在他家门口水平种了一排苹果树，共有N棵。突然Lele发现在左起第P棵树上(从1开始计数)有一条毛毛虫。为了看到毛毛虫变蝴蝶的过 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=2120 Problem Description ice_cream's world is a rich country, it has many fertile lands. Today, the queen of 阅读全文
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https://pintia.cn/problem-sets/994805342720868352/problems/994805504927186944 With the 2010 FIFA World Cup running, football fans the world over were 阅读全文
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https://pintia.cn/problem-sets/994805260223102976/problems/994805275146436608 本题要求将给定的 N 个正整数按非递增的顺序，填入“螺旋矩阵”。所谓“螺旋矩阵”，是指从左上角第 1 个格子开始，按顺时针螺旋方向填充。要求矩阵 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=2135 Problem Description After the 32nd ACM/ICPC regional contest, Wiskey is beginning to prepare for CET-6. 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=1004 Problem Description Contest time again! How excited it is to see balloons floating around. But to tell 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=2136 Problem Description Everybody knows any number can be combined by the prime number.Now, your task is te 阅读全文