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Problem Description Given a specified total t and a list of n integers, find all distinct sums using numbers from the list that add up to t. For examp 阅读全文
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题目描述: 把字符串 s 看作是“abcdefghijklmnopqrstuvwxyz”的无限环绕字符串,所以 s 看起来是这样的:"...zabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcd....". 现在我们有了另一个字符串 p 。 阅读全文
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Problem Description There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black til 阅读全文
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Problem Description The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, an 阅读全文