算法翻转二叉树的相关内容

文章 2024-01-18 来自：开发者社区

算法题解-翻转二叉树

题目给你一棵二叉树的根节点 root ，翻转这棵二叉树，并返回其根节点。输入： root = [4,2,7,1,3,6,9] 输出： [4,7,2,9,6,3,1] 题解第一种在处理二叉树问题时十分适合使用递归操作，所以我们这里采用递归，我们这里先判断根节点是否为null，如果是则我们直接返回null，否则我们去递归调用invertTree函数来翻转根节点的左右子树，我们把递归调用的结果分别存储....

文章 2022-12-06 来自：开发者社区

算法打卡Day22_leetcode _226.翻转二叉树

Leetcode原题226.翻转二叉树思路我们根据示例可以发现，翻转二叉树，其实就是左右子节点树，相互变化。方法一递归class Solution { public TreeNode invertTree(TreeNode root){ if (root ==null){ return null; } inver...

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更新时间 2024-03-07 13:54:01

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