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我想不通,这题并没有给定节点标号的范围,怎么发现很多人直接开数组?

Posted by ccsu2008021220 at 2010-02-27 22:20:17 on Problem 1308
如果一个节点的标号为999999999,怎么办?
个人认为用二叉树来存最稳,虽然麻烦了点。

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