原文:LeetCode 958. Check Completeness of a Binary Tree

原題鏈接在這里:https: leetcode.com problems check completeness of a binary tree 題目: Given a binary tree, determine if it is acomplete binary tree. Definition of a complete binary tree fromWikipedia:In a comp ...

2019-07-07 07:22 1 436 推薦指數:

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[Leetcode] Balanced Binary Tree

問題:給一個二叉樹,寫一個算法判斷這個樹是不是balanced。 Solution #1. 第一次遇到這個問題時我的解法,如下: 寫了一個getDepth()函數,訪問每個節點都要調用一次這個函數。這個Solution也通過了leetcode的驗證程序,但是后來想了想,I ...

Sun May 04 08:58:00 CST 2014 2 6363
LeetCode Balanced Binary Tree

Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as a binary tree in which ...

Sun Oct 28 06:40:00 CST 2012 5 4228
[leetcode]Balanced Binary Tree @ Python

原題地址:http://oj.leetcode.com/problems/balanced-binary-tree/ 題意:判斷一顆二叉樹是否是平衡二叉樹。 解題思路:在這道題里,平衡二叉樹的定義是二叉樹的任意節點的兩顆子樹之間的高度差小於等於1。這實際上是AVL樹的定義。首先要寫一個計算 ...

Sat May 10 18:54:00 CST 2014 0 5388
[LeetCode] Validate Binary Search Tree

Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows: The left subtree of a node ...

Fri Nov 16 17:23:00 CST 2012 2 4267
LeetCode:Recover Binary Search Tree

其他LeetCode題目歡迎訪問:LeetCode結題報告索引 題目鏈接 Two elements of a binary search tree (BST) are swapped by mistake. Recover the tree without changing its ...

Wed Nov 27 22:51:00 CST 2013 2 2874
LeetCode Binary Tree Inorder Traversal

Given a binary tree, return the inorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, 非遞歸版本: 用一個棧來模擬遞歸的情況, 首先思考inorder ...

Sun Oct 28 05:48:00 CST 2012 0 3142
 
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