LeetCode 226 Invert Binary Tree
来源:互联网 发布:匈牙利算法 证明过程 编辑:程序博客网 时间:2024/06/05 20:36
Invert a binary tree.
4 / \ 2 7 / \ / \1 3 6 9to
4 / \ 7 2 / \ / \9 6 3 1Trivia:
This problem was inspired by this original tweet by Max Howell:
Google: 90% of our engineers use the software you wrote (Homebrew), but you can’t invert a binary tree on a whiteboard so fuck off.
题目链接:https://leetcode.com/problems/invert-binary-tree/
题目大意:反转二叉树
题目分析:递归即可
/** * Definition for a binary tree node. * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode(int x) { val = x; } * } */public class Solution { public TreeNode invertTree(TreeNode root) { if(root == null) { return root; } TreeNode temp = root.left; root.left = root.right; root.right = temp; invertTree(root.left); invertTree(root.right); return root; }}
0 0
- Leetcode[226]-Invert Binary Tree
- LeetCode 226 Invert Binary Tree
- Invert Binary Tree - LeetCode 226
- leetcode[226]:Invert Binary Tree
- leetcode 226: Invert Binary Tree
- Leetcode 226 Invert Binary Tree
- leetcode-226-Invert Binary Tree
- leetcode 226 :Invert Binary Tree
- LeetCode 226Invert Binary Tree
- leetCode #226 Invert Binary Tree
- [LeetCode 226] Invert Binary Tree
- Leetcode #226 Invert Binary Tree
- leetcode 226: Invert Binary Tree
- leetcode: (226) Invert Binary Tree
- LeetCode 226----Invert Binary Tree
- LeetCode 226: Invert Binary Tree
- leetcode 226--Invert Binary Tree
- 【LEETCODE】226-Invert Binary Tree
- 图结构练习——BFSDFS——判断可达性
- Windows系统下weblogic9--创建Domain
- java语言和C语言的区别
- 从Redis+Lua到Goroutine,日均10亿次的股票行情计算
- WebView加载闪屏问题
- LeetCode 226 Invert Binary Tree
- HDU 2083 简易版之最短距离
- Mac上更新Ruby,安装cocoapods详细教程
- lightoj 1369 - Answering Queries (思维规律)
- 评价系统海量数据存储设计
- 单片机基础
- target操作,对当前单元格进行操作
- malloc和free的具体用法举例
- 细述 Java垃圾回收机制→How Java Garbage Collection Works?