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leetcode 【 Convert Sorted List to Binary Search Tree 】python 实现
题目:Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.代码:oj测试通过Runtime:178 ms 1 # Definition...
分类:编程语言   时间:2015-01-11 20:18:51    阅读次数:235
【leetcode】Convert Sorted List to Binary Search Tree
Convert Sorted List to Binary Search TreeGiven a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST....
分类:其他好文   时间:2015-01-11 14:46:32    阅读次数:160
【leetcode】Convert Sorted Array to Binary Search Tree
Convert Sorted Array to Binary Search TreeGiven an array where elements are sorted in ascending order, convert it to a height balanced BST.每次把中间元素当成根节...
分类:其他好文   时间:2015-01-11 12:10:19    阅读次数:137
bfs-dfs-bst
/**  * Definition for binary tree  * struct TreeNode {  *     int val;  *     TreeNode *left;  *     TreeNode *right;  *     TreeNode(int x) : val(x), left(NULL), right(NULL) {}  * }; ...
分类:其他好文   时间:2015-01-10 18:20:29    阅读次数:181
Convert Sorted List to Binary Search Tree
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST....
分类:其他好文   时间:2015-01-09 22:29:55    阅读次数:181
算法导论学习-binary search tree
1. 概念:Binary-search tree(BST)是一颗二叉树,每个树上的节点都有parent.left.key。但找到x的parent就结束了吗,还没有,就像TREE-MINIMUM函数一样,我们需要逐层查找,当找到符合条件的parent后,我们递归的继续检查parent节点有没有pare...
分类:编程语言   时间:2015-01-09 20:48:25    阅读次数:219
[LeetCode#99]Recover Binary Search Tree
The problem:Two elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.Note:A solution using O(...
分类:其他好文   时间:2015-01-09 06:54:36    阅读次数:132
[LeetCode#98]Validate Binary Search Tree
The problem: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 con...
分类:其他好文   时间:2015-01-09 00:07:50    阅读次数:208
Binary Search Tree Iterator
QUESTIONImplement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Calling next() will retur...
分类:其他好文   时间:2015-01-08 23:57:45    阅读次数:282
[LeetCode#108]Convert Sorted Array to Binary Search Tree
The problem:Given an array where elements are sorted in ascending order, convert it to a height balanced BST.My analysis:The recursion is the best way...
分类:其他好文   时间:2015-01-08 00:49:30    阅读次数:265
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