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Mario is world-famous plumber. His “burly” figure and amazing jumping ability reminded in our memory. Now the poor princess is in trouble again and Ma 阅读全文
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You are given a tree with N nodes. The tree nodes are numbered from 1 to N. Each node has an integer weight. We will ask you to perform the following 阅读全文
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Agent K is one of the greatest agents in a secret organization called Men in Black. Once he needs to finish a mission by traveling through time with t 阅读全文
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Background If thou doest well, shalt thou not be accepted? and if thou doest not well, sin lieth at the door. And unto thee shall be his desire, and t 阅读全文
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After 4 years' waiting, the game "Chinese Paladin 5" finally comes out. Tomato is a crazy fan, and luckily he got the first release. Now he is at home 阅读全文
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When wake up, lxhgww find himself in a huge maze. The maze consisted by N rooms and tunnels connecting these rooms. Each pair of rooms is connected by 阅读全文
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Description YYF is a couragous scout. Now he is on a dangerous mission which is to penetrate into the enemy's base. After overcoming a series difficul 阅读全文
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There is a very simple and interesting one-person game. You have 3 dice, namely Die1, Die2 and Die3. Die1 has K1 faces. Die2 has K2 faces. Die3 has K3 阅读全文
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题意就是给出n个数，在n个数上每次跳k个数，最多可以跳m次，你可以选择跳任意次，也可以都不跳，问你为了达到目标了快乐值至少在开始的需要多少快乐值。 题目可以转换成找出循环节，然后再循环节上疯狂试探我可以得到的最大快乐值，然后减一下。 刚开始想着找循环节，只找了一个，用栈存，然后发现可能会有多个循环节 阅读全文