145.二叉树的后序遍历

风间琉璃• 发布时间：2021-11-09 22:19:18 ，浏览量：1

项目场景：

力扣练习题

原因分析：

提示：这里填写问题的分析：

递归：二叉树的后序遍历：按照访问左子树——右子树——根节点的方式遍历这棵树，而在访问左子树或者右子树的时候，我们按照同样的方式遍历，直到遍历完整棵树

迭代：栈模拟两种方式是等价的，区别在于递归的时候隐式地维护了一个栈，而在迭代的时候需要显式地将这个栈模拟出来

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145.二叉树的后序遍历

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