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题目链接 Description A number of rectangular posters, photographs and other pictures of the same shape are pasted on a wall. Their sides are all vertical 阅读全文
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题目链接 problem description 5 friends play LOL together . Every one should BAN one character and PICK one character . The enemy should BAN 55 characters 阅读全文
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题目链接 Problem Description Alice are given an array A[1..N] with N numbers.Now Alice want to build an array B by a parameter K as following rules:Initia 阅读全文
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题目链接 Problem Description Beerus needs to sort an array of N integers. Algorithms are not Beerus's strength. Destruction is what he excels. He can dest 阅读全文
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题目链接 problem Recently George is preparing for the Graduate Record Examinations (GRE for short). Obviously the most important thing is reciting the wor 阅读全文
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题目链接 Problem Description Monkey A lives on a tree, he always plays on this tree.One day, monkey A learned about one of the bit-operations, xor. He was 阅读全文
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题目链接 Problem Description Dr. X is a biologist, who likes rabbits very much and can do everything for them. 2012 is coming, and Dr. X wants to take som 阅读全文