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...
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其他好文 时间：
2015-08-02 19:47:38
阅读次数：
107
Efficient Solutions题目传送：Efficient SolutionsAC代码：#include
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其他好文 时间：
2015-08-01 19:09:41
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144
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...
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其他好文 时间：
2015-08-01 13:02:22
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98
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 is pretty straight forward. Could you devise a ...
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其他好文 时间：
2015-08-01 11:34:59
阅读次数：
108
题目如下：
A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties:
The left subtree of a node contains only nodes with keys less than the node's k...
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其他好文 时间：
2015-08-01 01:09:59
阅读次数：
109
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 Wikipedia: ...
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其他好文 时间：
2015-07-31 21:39:07
阅读次数：
105
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.Analyse: the core idea of this problem is...
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其他好文 时间：
2015-07-31 12:52:11
阅读次数：
108
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.Analyse: Using binary search to divide the sorted arr...
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其他好文 时间：
2015-07-31 12:19:02
阅读次数：
102
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 Wikipedia: ...
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其他好文 时间：
2015-07-31 06:37:08
阅读次数：
102
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 n...
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其他好文 时间：
2015-07-30 12:59:04
阅读次数：
115
