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原题链接:https://leetcode-cn.com/problems/invert-binary-tree/
解题思路:
/** * Definition for a binary tree node. * function TreeNode(val) { * this.val = val; * this.left = this.right = null; * } */ function recursion(node) { // 如果当前节点不存在,则退出递归 if (!node) { return; } // 将子节点互换 const temp = node.left; node.left = node.right; node.right = temp; // 遍历互换后的子节点 recursion(node.left); recursion(node.right); } /** * @param {TreeNode} root * @return {TreeNode} */ var invertTree = function (root) { // 递归遍历节点,并进行翻转 recursion(root); return root; };
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原题链接:https://leetcode-cn.com/problems/invert-binary-tree/
解题思路:
The text was updated successfully, but these errors were encountered: