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前序遍历中序遍历后序遍历

更新时间: 2020-06-30 00:00:00     

前序遍历:首先访问根结点,然后遍历左子树,最后遍历右子树。在遍历左、右子树时,仍然先访问根结点,然后遍历左子树,最后遍历右子树。

中序遍历:中序遍历左子树,然后访问根节点,再中序遍历右子树。

后序遍历:首先遍历左子树,然后遍历右子树,最后访问根结点,在遍历左、右子树时,仍然先遍历左子树,然后遍历右子树,最后遍历根结点。

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