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题目链接:http://poj.org/problem?id=1651 Description The multiplication puzzle is played with a row of cards, each containing a single positive integer. Du 阅读全文
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题目链接:http://acm.split.hdu.edu.cn/showproblem.php?pid=2476 Problem Description There are two strings A and B with equal length. Both strings are made u 阅读全文
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题目链接:http://acm.split.hdu.edu.cn/showproblem.php?pid=3448 Description 0/1 bag problem should sound familiar to everybody. Every earth man knows it wel 阅读全文