随笔分类 - 树的直径
摘要:Warm upTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 5093Accepted Submission(s): 1131Problem De...
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摘要:1094 - Farthest Nodes in a TreePDF (English)StatisticsForumTime Limit:2 second(s)Memory Limit:32 MBGiven a tree (a connected graph with no cycles), yo...
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摘要:树的直径:一棵树中从一个节点到另一个节点的一条最长的路径,这条路径可以只是这个树上的部分节点,也可以是所有节点(主要看这棵树的连接方式)在这个路径上任意节点的分岔不予考虑 求法:先任意选择一个节点a当做起点来找到距离这个点最远的端点b(这两点之间的路径上所有边的权值和最大),然后再以b节点为...
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摘要:ComputerTime Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4440Accepted Submission(s): 2236Problem De...
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摘要:LabyrinthTime Limit:2000MSMemory Limit:32768KTotal Submissions:4004Accepted:1504DescriptionThe northern part of the Pyramid contains a very large and ...
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摘要:Roads in the NorthTime Limit:1000MSMemory Limit:65536KTotal Submissions:2359Accepted:1157DescriptionBuilding and maintaining roads among communities i...
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摘要:Cow MarathonTime Limit:2000MSMemory Limit:30000KTotal Submissions:4185Accepted:2118Case Time Limit:1000MSDescriptionAfter hearing about the epidemic o...
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