#H620. [CSP-S 2019] 树的重心
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ID: 3823
Type: Default
1000ms
256MiB
Tried: 0
Accepted: 0
Difficulty: 8
Uploaded By:
blackcat
Tags> [CSP-S 2019] 树的重心
题目描述
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5
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7
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32
56
提示
