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Description 小 X 自幼就很喜欢数。但奇怪的是,他十分讨厌完全平方数。他觉得这些数看起来很令人难受。由此,他也讨厌所有是完全平方数的正整数倍的数。然而这丝毫不影响他对其他数的热爱。 这天是小X的生日,小 W 想送一个数给他作为生日礼物。当然他不能送一个小X讨厌的数。他列出了所有小X不讨厌 阅读全文
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PUBG is a multiplayer online battle royale video game. In the game, up to one hundred players parachute onto an island and scavenge for weapons and eq 阅读全文
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BaoBao is trapped in a one-dimensional maze consisting of grids arranged in a row! The grids are numbered from 1 to from left to right, and the -th gr 阅读全文
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Given an array of integers , we say a set is a prime set of the given array, if and is prime. BaoBao has just found an array of integers in his pocket 阅读全文
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DreamGrid has a nonnegative integer . He would like to divide into nonnegative integers and minimizes their bitwise or (i.e. and should be as small as 阅读全文
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BaoBao has just found a string of length consisting of 'C' and 'P' in his pocket. As a big fan of the China Collegiate Programming Contest, BaoBao thi 阅读全文
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Crusaders Quest is an interesting mobile game. A mysterious witch has brought great darkness to the game world, and the only hope for your kingdom is 阅读全文
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The 2017 China Collegiate Programming Contest Qinhuangdao Site is coming! There will be teams participating in the contest, and the contest will be he 阅读全文
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Consider a un-rooted tree T which is not the biological significance of tree or plant, but a tree as an undirected graph in graph theory with n nodes, 阅读全文
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Here N (N ≥ 3) rabbits are playing by the river. They are playing on a number line, each occupying a different integer. In a single move, one of the o 阅读全文
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Little boxes on the hillside. Little boxes made of ticky-tacky. Little boxes. Little boxes. Little boxes all the same. There are a green boxes, and b 阅读全文
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The ant Welly now dedicates himself to urban infrastructure. He came to the kingdom of numbers and solicited an audience with the king. He recounted h 阅读全文
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A triangle is a Heron’s triangle if it satisfies that the side lengths of it are consecutive integers t−1, t, t+ 1 and thatits area is an intege 阅读全文
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Just A Mistake Time Limit: 5000/5000 MS (Java/Others) Memory Limit: 512000/512000 K (Java/Others)Total Submission(s): 168 Accepted Submission(s): 41 P 阅读全文
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Happy Matt Friends Time Limit: 6000/6000 MS (Java/Others) Memory Limit: 510000/510000 K (Java/Others)Total Submission(s): 5248 Accepted Submission(s): 阅读全文
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Fluorescent Time Limit: 3000/3000 MS (Java/Others) Memory Limit: 512000/512000 K (Java/Others)Total Submission(s): 937 Accepted Submission(s): 477 Pro 阅读全文