原文:[leetcode]Recover Binary Search Tree @ Python

原題地址:https: oj.leetcode.com problems recover binary search tree 題意: Two elements of a binary search tree BST are swapped by mistake. Recover the tree without changing its structure. 解題思路:這題是說一顆二叉查找樹中的 ...

2014-05-22 22:20 0 2850 推薦指數:

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LeetCode:Recover Binary Search Tree

其他LeetCode題目歡迎訪問:LeetCode結題報告索引 題目鏈接 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

題目: 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

原題地址:https://oj.leetcode.com/problems/validate-binary-search-tree/ 題意:檢測一顆二叉樹是否是二叉查找樹。 解題思路:看到二叉樹我們首先想到需要進行遞歸來解決問題。這道題遞歸的比較巧妙。讓我們來看下面一棵樹:                   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

原題地址:http://oj.leetcode.com/problems/convert-sorted-list-to-binary-search-tree/ 題意:將一條排序好的鏈表轉換為二叉查找樹,二叉查找樹需要平衡。 解題思路:兩個思路:一,可以使用快慢指針來找到中間的那個節點 ...

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