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[LeetCode] Kth Smallest Element in a BST
Given a binary search tree, write a functionkthSmallestto find thekth smallest element in it.Note:You may assume k is always valid, 1 ≤ k ≤ BST's tota...
分类:其他好文   时间:2015-08-14 16:58:03    阅读次数:98
[LeetCode] Binary Search Tree Iterator
Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Callingnext()will return the next...
分类:其他好文   时间:2015-08-14 15:31:18    阅读次数:99
LeetCode——Lowest Common Ancestor of a Binary Search Tree
Description:Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST.According to thedefinition of LCA on...
分类:其他好文   时间:2015-08-13 06:26:55    阅读次数:107
leetcode——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.思路题目要求一个二叉排序树的两个节点的公共父节点,说通俗点,其实就是这两个节点所在的分支是从哪里开始分叉的。求出这个分叉点。对于二叉排序树,它的一个特点就是:一个节点的左子树节点都小于该节点,而...
分类:其他好文   时间:2015-08-11 21:34:48    阅读次数:137
[LeetCode] Convert Sorted Array to Binary Search Tree
Convert Sorted Array to Binary Search Tree Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 解题思路: 题意为构建有序数组的二分查找树。比较简单,用递归方法即可,中间的元素作为根节点,前半部分作为左孩...
分类:其他好文   时间:2015-08-11 18:58:16    阅读次数:214
[LeetCode] Convert Sorted List to Binary Search Tree
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: 题意为构造有序链表的二分查找树。找到中间节点的办法用双指针法。注意我们...
分类:其他好文   时间:2015-08-11 18:51:47    阅读次数:136
PAT 1043. Is It a Binary Search Tree (25)
1043. Is It a Binary Search Tree (25)A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties:The left su...
分类:其他好文   时间:2015-08-11 16:00:59    阅读次数:119
8.10 [LeetCode 173] Binary Search Tree Iterator
QuestionlinkImplement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Callingnext()will ret...
分类:其他好文   时间:2015-08-11 07:10:50    阅读次数:99
【LeetCode】96 - Unique Binary Search Trees
Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a total of 5 unique BST's. 1.....
分类:其他好文   时间:2015-08-11 07:01:19    阅读次数:122
[算法专题] BST&AVL
BST 以下BST的定义来自于Wikipedia: Binary Search Tree, is a node-based binary tree data structure which has the following properties: The left subtree of a nod...
分类:编程语言   时间:2015-08-10 19:41:15    阅读次数:130
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