原文:[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 contains only nodes with keysless thanthe node s key. The right ...

2012-11-16 09:23 2 4267 推荐指数:

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[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
Validate Binary Search Tree leetcode java

题目: 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 ...

Mon Aug 04 19:22:00 CST 2014 0 3063
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
 
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