原文:[leetcode]Recover Binary Search Tree @ Python

原题地址:https: oj.leetcode.com problems recover binary search tree 题意: Two elements of a binary search tree BST are swapped by mistake. Recover the tree without changing its structure. 解题思路:这题是说一颗二叉查找树中的 ...

2014-05-22 22:20 0 2850 推荐指数:

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LeetCode:Recover Binary Search Tree

其他LeetCode题目欢迎访问:LeetCode结题报告索引 题目链接 Two elements of a binary search tree (BST) are swapped by mistake. Recover the tree without changing its ...

Wed Nov 27 22:51:00 CST 2013 2 2874
Recover Binary Search Tree leetcode java

题目: Two elements of a binary search tree (BST) are swapped by mistake. Recover the tree without changing its structure. Note: A solution using ...

Tue Aug 05 10:54:00 CST 2014 0 3212
[leetcode]Validate Binary Search Tree @ Python

原题地址:https://oj.leetcode.com/problems/validate-binary-search-tree/ 题意:检测一颗二叉树是否是二叉查找树。 解题思路:看到二叉树我们首先想到需要进行递归来解决问题。这道题递归的比较巧妙。让我们来看下面一棵树:                   4                  / \               ...

Fri May 23 18:47:00 CST 2014 2 3787
[LeetCode] 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 ...

Fri Nov 16 17:23:00 CST 2012 2 4267
[leetcode]Convert Sorted List to Binary Search Tree @ Python

原题地址:http://oj.leetcode.com/problems/convert-sorted-list-to-binary-search-tree/ 题意:将一条排序好的链表转换为二叉查找树,二叉查找树需要平衡。 解题思路:两个思路:一,可以使用快慢指针来找到中间的那个节点 ...

Mon May 12 03:18:00 CST 2014 1 3681
 
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