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A Bug's Life Time Limit: 10000MS Memory Limit: 65536K Total Submissions: 34678 Accepted: 11339 Description Background Professor Hopper is researching 阅读全文
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食物链 Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 64841 Accepted: 19077 Description 动物王国中有三类动物A,B,C,这三类动物的食物链构成了有趣的环形。A吃B, B吃C,C吃A。 现有N个动 阅读全文
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The Unique MST Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 28207 Accepted: 10073 Description Given a connected undirected graph, tell i 阅读全文
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Arctic Network Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 17758 Accepted: 5646 Description The Department of National Defence (DND) wi 阅读全文
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1935: [Shoi2007]Tree 园丁的烦恼 Time Limit: 15 Sec Memory Limit: 357 MBSubmit: 980 Solved: 450[Submit][Status][Discuss] Description 很久很久以前,在遥远的大陆上有一个美丽的国家。 阅读全文
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3192: [JLOI2013]删除物品 Time Limit: 10 Sec Memory Limit: 128 MBSubmit: 872 Solved: 508[Submit][Status][Discuss] Description 箱子再分配问题需要解决如下问题: (1)一共有N个物品,堆 阅读全文