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Treasure Exploration Time Limit: 6000MS Memory Limit: 65536K Total Submissions: 7611 Accepted: 3126 Description Have you ever read... 阅读全文
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Air Raid Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 7666 Accepted: 4569 Description Consider a town where all the ... 阅读全文
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最小路径覆盖问题 Problem:481 Time Limit:1000ms Memory Limit:65536K Description 给定有向图G=(V,E)。设P 是G 的一个简单路(顶点不相交)的集合。如果V 中每个顶点恰好... 阅读全文