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1059. Prime Factors (25)Given any positive integer N, you are supposed to find all of its prime factors, and write them in the format N = p1^k1* p2^k2... 阅读全文
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1052. Linked List Sorting (25)A linked list consists of a series of structures, which are not necessarily adjacent in memory. We assume that each stru... 阅读全文
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1051. Pop Sequence (25)Given a stack which can keep M numbers at most. Push N numbers in the order of 1, 2, 3, ..., N and pop randomly. You are suppos... 阅读全文
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1032. Sharing (25)To store English words, one method is to use linked lists and store a word letter by letter. To save some space, we may let the word... 阅读全文
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1034. Head of a Gang (30)One way that the police finds the head of a gang is to check people's phone calls. If there is a phone call between A and B, ... 阅读全文