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96_Unique Binary Search Trees
Given n, how many structurally unique BST's (binary search trees) that store values 1...n? For example,Given n = 3, there are a total of 5 unique BST'
分类:其他好文   时间:2016-03-14 11:55:20    阅读次数:152
[LeetCode235]Lowest Common Ancestor of a Binary Search Tree
题目: 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 Wikip
分类:其他好文   时间:2016-03-13 14:10:33    阅读次数:149
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:2016-03-13 08:57:50    阅读次数:136
Leet Code OJ 235. Lowest Common Ancestor of a Binary Search Tree [Difficulty: Easy]
题目: 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: “The lowest common ancestor is defined betwee...
分类:其他好文   时间:2016-03-07 15:06:42    阅读次数:148
红黑树
一、红黑树的基本性质 1、红黑树本质上是一种二叉查找树BST,满足左孩子均小于根,右孩子均大于(等于)根的性质,但是它从根节点到最远叶子节点的长度不会超过到最近叶子节点的两倍,所以是近似平衡的。 【证明】由于性质5 假如说一个黑高度为3的红黑树, 最短路径定为 黑-黑-黑 长度为2 最长路径 为黑-
分类:其他好文   时间:2016-03-07 10:26:38    阅读次数:187
[LeetCode] Closest Binary Search Tree Value II 最近的二分搜索树的值之二
Given a non-empty binary search tree and a target value, find k values in the BST that are closest to the target. Note: Given target value is a floati
分类:其他好文   时间:2016-03-06 15:30:11    阅读次数:385
[LeetCode] Closest Binary Search Tree Value 最近的二分搜索树的值
Given a non-empty binary search tree and a target value, find the value in the BST that is closest to the target. Note: Given target value is a floati
分类:其他好文   时间:2016-03-03 07:56:44    阅读次数:129
二叉树的简单操作
package cn.aust.zyw.demo; public class BST<Key extends Comparable<Key>,Value> { public static void main(String args[]){ BST<Integer,String> bst=new BS
分类:其他好文   时间:2016-03-02 17:49:23    阅读次数:189
LeetCode -- Validate Binary Search Tree
Question: 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 con
分类:其他好文   时间:2016-03-02 14:53:15    阅读次数:127
Convert Sorted Array to Binary Search Tree & Convert Sorted List to Binary Search Tree
Given an array where elements are sorted in ascending order, convert it to a height balanced BST. Subscribe to see which companies asked this question
分类:其他好文   时间:2016-02-28 15:12:50    阅读次数:227
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