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226.翻转二叉树.js
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57 lines (54 loc) · 995 Bytes
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//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。
//
//
//
// 示例 1:
//
//
//
//
//输入:root = [4,2,7,1,3,6,9]
//输出:[4,7,2,9,6,3,1]
//
//
// 示例 2:
//
//
//
//
//输入:root = [2,1,3]
//输出:[2,3,1]
//
//
// 示例 3:
//
//
//输入:root = []
//输出:[]
//
//
//
//
// 提示:
//
//
// 树中节点数目范围在 [0, 100] 内
// -100 <= Node.val <= 100
//
// Related Topics 树 深度优先搜索 广度优先搜索 二叉树 👍 1230 👎 0
//leetcode submit region begin(Prohibit modification and deletion)
/**
* Definition for a binary tree node.
* function TreeNode(val, left, right) {
* this.val = (val===undefined ? 0 : val)
* this.left = (left===undefined ? null : left)
* this.right = (right===undefined ? null : right)
* }
*/
/**
* @param {TreeNode} root
* @return {TreeNode}
*/
var invertTree = function(root) {
};
//leetcode submit region end(Prohibit modification and deletion)