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108.Convert Sorted Array to Binary Search Tree
Given an array where elements are sorted in ascending order, convert it toa height balanced BST. HideTags  Tree  Depth-first Search #pragma once #include #include using namespace std;...
分类:其他好文   时间:2015-02-02 23:14:33    阅读次数:181
平衡二叉树(AVL)
平衡二叉树(Balanced binary tree)是由阿德尔森-维尔斯和兰迪斯(Adelson-Velskii and Landis)于1962年首先提出的,所以又称为AVL树。 定义:平衡二叉树或为空树,或为如下性质的二叉排序树: (1)左右子树深度之差的绝对值不超过1; (2)左右子树仍然为平衡二叉树. 平衡因子BF=左子树深度-右子树深度....
分类:其他好文   时间:2015-02-02 12:37:55    阅读次数:343
Leetcode#110 Balanced Binary Tree
原题地址参考了这篇博文的想法代码: 1 int balancedp(TreeNode *root) { 2 if (!root) 3 return 0; 4 5 int l = balancedp(root->left); 6 int r = balancedp(root->r...
分类:其他好文   时间:2015-02-02 12:29:53    阅读次数:113
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 the depth of the two subtrees of every node never diffe...
分类:其他好文   时间:2015-01-30 16:08:22    阅读次数:149
Convert Sorted List to Binary Search Tree
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 解题思路:采用中序排列的方法递归地决定每个结点的数值; #include #include #include using namespace std; //Definition...
分类:其他好文   时间:2015-01-30 16:00:24    阅读次数:131
31: 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 th.....
分类:其他好文   时间:2015-01-27 23:16:02    阅读次数:206
Balanced Binary Tree
检测一个树是否平衡,不需要求出高度,而是从底到顶检测是否平衡,这样才算法时间复杂度为O(n)。但是需要额外的O(logn)的空间 /** * Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(...
分类:其他好文   时间:2015-01-27 21:55:39    阅读次数:164
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 the depth of the two subtrees of every node never diffe...
分类:其他好文   时间:2015-01-27 18:29:32    阅读次数:168
Convert Sorted Array to Binary Search Tree
题目: Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 我的解法: (1)算法思想: 二分法,数组的中间点为根节点,然后递归。 (2)代码如下: {CSDN:CODE:589537}...
分类:其他好文   时间:2015-01-26 19:21:31    阅读次数:136
POJ 3264 Balanced Lineup(RMQ)
Balanced LineupTime Limit: 5000MSMemory Limit: 65536KTotal Submissions: 36513Accepted: 17103Case Time Limit: 2000MSDescriptionFor the daily milking, F...
分类:其他好文   时间:2015-01-25 16:35:41    阅读次数:183
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