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Binary Search Tree Iterator 解答
QuestionImplement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Callingnext()will return ...
分类:其他好文   时间:2015-10-08 10:25:36    阅读次数:123
[Lintcode] Inorder Successor in BST
Inorder Successor in BSTGiven a binary search tree and a node in it, find the in-order successor of that node in the BST.ExampleGiven tree =[2,1]and n...
分类:其他好文   时间:2015-10-07 06:18:13    阅读次数:171
[Lintcode] Validate Binary Search Tree
Validate Binary Search TreeGiven a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtre...
分类:其他好文   时间:2015-10-07 00:58:16    阅读次数:269
96. Unique Binary Search Trees (Tree; DFS)
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:2015-10-04 12:21:57    阅读次数:179
109. Convert Sorted List to Binary Search Tree (List; Divide-and-Conquer, dfs)
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.struct ListNode { int val; ListNode *...
分类:其他好文   时间:2015-10-03 15:30:38    阅读次数:152
108.Convert Sorted Array to Binary Search Tree(Array; Divide-and-Conquer, dfs)
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.思路:使用二分法,将list的中间节点作为根节点,然后分别处理list左半边及右半边,以此递归。struc...
分类:其他好文   时间:2015-10-03 14:24:21    阅读次数:162
LeetCode——Convert Sorted Array to Binary Search Tree
Description:Given an array where elements are sorted in ascending order, convert it to a height balanced BST.给一个升序有序的数组,构建一个平衡的二叉查找树。要平衡就要找中间的数来做头结点,递...
分类:其他好文   时间:2015-10-01 17:56:49    阅读次数:132
Validate Binary Search Tree 解答
QuestionGiven 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 contain...
分类:其他好文   时间:2015-09-29 09:59:20    阅读次数:178
面试题24:二叉排序树的后序遍历序列
题目描述输入一个整数数组,判断该数组是不是某二叉排序树的后序遍历的结果。如果是则返回true,否则返回false。假设输入的数组的任意两个数字都互不相同。题目分析剑指Offer(纪念版)P140代码实现// BST:Binary Search Tree,二叉搜索树bool VerifySquence...
分类:编程语言   时间:2015-09-23 17:03:08    阅读次数:147
*Unique Binary Search Tree
题目: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. ...
分类:其他好文   时间:2015-09-23 13:21:21    阅读次数:220
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