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Problem Description Kayaking is playing a puzzle game containing n different blocks. He marks the blocks with integers from 1 to n, which show the blo 阅读全文
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题目链接 :http://poj.org/problem?id=3268 Description One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow 阅读全文
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题目链接 https://cn.vjudge.net/problem/17712/origin Andrew is working as system administrator and is planning to establish a new network in his company. T 阅读全文
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At the big break Nastya came to the school dining room. There are nn pupils in the school, numbered from 11 to nn. Unfortunately, Nastya came pretty l 阅读全文
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Polycarp plays "Game 23". Initially he has a number nn and his goal is to transform it to m. In one move, he can multiply n by 22 or multiply n by 33. 阅读全文