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链接：http://poj.org/problem?id=1753 Flip Game Description Flip game is played on a rectangular 4x4 field with two-sided pieces placed on each of its 16 阅读全文
posted @ 2016-09-09 18:33
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摘要：
链接：http://poj.org/problem?id=1860 Currency Exchange Description Several currency exchange points are working in our city. Let us suppose that each poi 阅读全文
posted @ 2016-09-09 18:21
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