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题目链接 Problem Description Talented Mr.Tang has n strings consisting of only lower case characters. He wants to charge them with Balala Power (he could 阅读全文
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题目链接 Problem Description You are a rich person, and you think your wallet is too heavy and full now. So you want to give me some money by buying a lov 阅读全文
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题目链接 DESCRIPTION INPUT OUTPUT SAMPLE INPUT 2 3 2 3 5 7 3 10 3 5 7 SAMPLE OUTPUT 12 26 HINT 官方题解： 代码如下： 阅读全文
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题目链接 DESCRIPTION INPUT 题目链接 DESCRIPTION INPUT INPUT INPUT OUTPUT OUTPUT SAMPLE INPUT 1 4 2 1 2 5 2 3 5 3 4 5 5 5 SAMPLE INPUT 1 4 2 1 2 5 2 3 5 3 4 5 阅读全文
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题目链接 Problem Description Matt loves letter L.A point set P is (a, b)-L if and only if there exists x, y satisfying:P = {(x, y), (x + 1, y), . . . , (x 阅读全文
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题目链接 Problem Description In mathematics, the four color theorem, or the four color map theorem, states that, given any separation of a plane into cont 阅读全文
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题目链接 Problem Description The Old Frog King lives on the root of an infinite tree. According to the law, each node should connect to exactly two nodes 阅读全文
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题目链接 Problem Description Given the finite multi-set A of n pairs of integers, an another finite multi-set B of m triples of integers, we define the pr 阅读全文
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题目链接 Problem Description Let’s play a game.We add numbers 1,2...n in increasing order from 1 and put them into some sets.When we add i,we must create 阅读全文
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题目链接 Problem Description Using regular expression to define a numeric string is a very common thing. Generally, use the shape as follows:(0|9|7) (5|6) 阅读全文