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Recently, Shua Shua had a big quarrel with his GF. He is so upset that he decides to take a trip to some other city to avoid meeting her. He will trav 阅读全文
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Problem Description There are n stones numbered from 1 to n.The weight of the i-th stone is i kilograms. We divide the stones into k groups.Each group 阅读全文
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Problem Description You are given a 4 × 4 grid, which consists of 15 number cells and an empty cell.All numbers are unique and ranged from 1 to 15.In 阅读全文
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Tom is playing a game called Idiomatic Phrases Game. An idiom consists of several Chinese characters and has a certain meaning. This game will give To 阅读全文
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A friend of yours, an inventor, has built a spaceship recently and wants to explore space with it. During his first voyages, he discovered that the un 阅读全文
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Bessie and the rest of Farmer John's cows are taking a trip this winter to go skiing. One day Bessie finds herself at the top left corner of an R (1 < 阅读全文
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Problem Description Farmer John keeps a website called ‘FansBlog’ .Everyday , there are many people visited this blog.One day, he find the visits has 阅读全文
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An ascending sorted sequence of distinct values is one in which some form of a less-than operator is used to order the elements from smallest to large 阅读全文