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Convert Sorted List to Binary Search Tree -- leetcodeGiven a singly linked list where elements are s
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 基本思路: 中序遍历的过程,与有序链表的顺序是一一对应的。 采用中序遍历构造进树的构造。 并利用取值范围,确定,根的位置,以及子树的范围。 故需要遍历整个链表,求...
分类:其他好文   时间:2015-05-09 11:43:53    阅读次数:140
Balanced Lineup(线段树—指针实现)
线段树这一类树状结构一般可以用两种形式来实现—数组和指针。 下面学习了一下别人的指针实现的线段树。 和数组实现的一样分为三步:建树,添加值,查询。 #include #include #include #include using namespace std; const int INF_MAX = -999999999; const int INF_MIN = 999999999; int ...
分类:其他好文   时间:2015-05-09 10:16:53    阅读次数:98
Convert Sorted Array to Binary Search Tree -- leetcode
Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 基本思路: 由于队列已经进行排序,每次取其中点,作为树的根。 即可建得一棵平衡二叉树。 /** * Definition for a binary tree node. *...
分类:其他好文   时间:2015-05-08 18:14:35    阅读次数:111
LeetCode Balanced Binary Tree
Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as a binary tree in which the depth of the two subtrees of every node never diffe...
分类:其他好文   时间:2015-05-07 18:57:13    阅读次数:93
[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.分析: 我们知道,BS...
分类:其他好文   时间:2015-05-07 16:23:48    阅读次数:134
【leetcode】Balanced Binary Tree(middle)
Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tree in which the depth...
分类:其他好文   时间:2015-05-06 15:01:56    阅读次数:84
LeetCode 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. 题意:给一个有序的链表建立二叉搜索树。 思路:这里是先递归建立左子树,然后链表跟着移动,左子树建立完了,此时节点就到了根了,接着建立右子树。 /** * Definit...
分类:其他好文   时间:2015-05-06 13:19:54    阅读次数:85
LeetCode Convert Sorted Array to Binary Search Tree
Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 题意:将一个有序数组变成二叉搜索树。 思路:简单的递归。 /** * Definition for a binary tree node. * public class TreeNode {...
分类:其他好文   时间:2015-05-05 21:59:06    阅读次数:117
Balanced Binary Tree
https://leetcode.com/problems/balanced-binary-tree/https://leetcode.com/discuss/28162/java-o-n-solution-based-on-maximum-depth-of-binary-treeGiven a b...
分类:其他好文   时间:2015-05-05 18:52:21    阅读次数:128
H-The Cow Lineup(POJ 1989)
The Cow LineupTime Limit:1000MSMemory Limit:30000KTotal Submissions:5367Accepted:3196DescriptionFarmer John's N cows (1 #include #include #include #in...
分类:其他好文   时间:2015-05-04 19:52:28    阅读次数:124
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