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Re:没有读懂题意，但是AC了，S到底代表什么。。。我直接用树的总长度×2 - 树的直径就AC了。In Reply To:没有读懂题意，但是AC了，S到底代表什么。。。我直接用树的总长度×2 - 树的直径就AC了。 Posted by:luoxinchen at 2015-11-10 09:56:36 起点! Followed by: Post your reply here: |
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