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LeetCode OJ 99. Recover Binary Search Tree
Two elements of a binary search tree (BST) are swapped by mistake. Recover the tree without changing its structure. Note:A solution using O(n) space i ...
分类:其他好文   时间:2016-05-18 12:40:17    阅读次数:253
109.Convert sorted list to BST
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分类:其他好文   时间:2016-05-18 12:25:13    阅读次数:131
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 contains only ...
分类:其他好文   时间:2016-05-13 07:33:14    阅读次数:114
二叉查找树的实现(c++)
#ifndef _HJ_STL_BST_H_ #define _HJ_STL_BST_H_ /* * Author:hujian * Time:2016/5/8 * discription:this file is about binary search tree. * * NOTICE:you should not use hjstl_vector in anywhere. * beca...
分类:编程语言   时间:2016-05-12 14:52:03    阅读次数:240
判断一棵二叉树是否为BST,一棵树是否为完全二叉树
对于一颗搜索二叉树,最简单的方法就是用中序遍历,看是不是一个递增数列,如果是则是一颗搜索二叉树,如果不是则不是搜索二叉树。在这里用一个lastVisit去记录上一次搜索到的节点。整个过程就是先找到最左下角的节点,更新这个lastVisit为这个节点的值,然后按照中序遍历依次更新即可。代码如下。 对于 ...
分类:其他好文   时间:2016-05-12 10:29:42    阅读次数:257
[leetcode] 235. Lowest Common Ancestor of a Binary Search Tree
Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST. According to the definition of LCA on Wikipedia ...
分类:其他好文   时间:2016-05-07 20:53:31    阅读次数:127
60-Lowest Common Ancestor of a Binary Search Tree
Lowest Common Ancestor of a Binary Search Tree My Submissions QuestionEditorial Solution Total Accepted: 68335 Total Submissions: 181124 Difficulty: Easy Given a binary search tree (BST), find the...
分类:其他好文   时间:2016-05-07 09:10:12    阅读次数:222
数据结构-二叉搜索树(BST binary search tree)
本文由@呆代待殆原创,转载请注明出处:http://www.cnblogs.com/coffeeSS/ 二叉搜索树简介 顾名思义,二叉搜索树是以一棵二叉树来组织的,这样的一棵树可以用一个链表数据结构来表示,每个节点除了key和卫星数据(除了二叉树节点的基本数据以外人为添加的数据,这些数据和树的基本结 ...
分类:其他好文   时间:2016-05-05 00:37:28    阅读次数:223
LeetCode OJ 108. Convert Sorted Array to Binary Search Tree
Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 把一个有序的数组转换为一颗平衡二叉搜索树。每次找到中间节点作为根节点,根节点左边部分转换为左子树,右边部 ...
分类:其他好文   时间:2016-05-04 19:05:12    阅读次数:131
LeetCode OJ 95. Unique Binary Search Trees II
Given n, generate all structurally unique BST's (binary search trees) that store values 1...n. For example,Given n = 3, your program should return all ...
分类:其他好文   时间:2016-05-03 21:54:13    阅读次数:149
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