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LeetCode Convert Sorted Array to Binary Search Tree
1.题目Given an array where elements are sorted in ascending order, convert it to a height balanced BST.2.解决方案1 struct Node{ TreeNode* t; int l; int r; Node(vector &num, int l, int r)...
分类:其他好文   时间:2015-03-08 10:28:52    阅读次数:148
Balanced Binary Tree
Balanced Binary Tree问题:Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary ...
分类:其他好文   时间:2015-03-07 15:40:43    阅读次数:108
leetcode_108_Convert Sorted Array to Binary Search Tree
欢迎大家阅读参考,如有错误或疑问请留言纠正,谢谢 Convert Sorted Array to Binary Search Tree Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 这道题是二分查找树的题目,要把一个有序数组转换...
分类:其他好文   时间:2015-03-07 14:15:44    阅读次数:130
Convert Sorted Array to Binary Search Tree
Convert Sorted Array to Binary Search Tree问题:Given an array where elements are sorted in ascending order, convert it to a height balanced BST.思路: 递归,....
分类:其他好文   时间:2015-03-06 18:29:42    阅读次数:131
【HDOJ】【3709】Balanced Bumber
数位DP题解:http://www.cnblogs.com/algorithms/archive/2012/09/02/2667637.htmldfs的地方没太看懂……(也就那里是重点吧喂!)挖个坑……回头再看看 1 //HDOJ 3709 2 #include 3 #include 4 #incl...
分类:其他好文   时间:2015-03-01 23:36:17    阅读次数:135
hdu3709---Balanced Number(数位dp)
Problem Description A balanced number is a non-negative integer that can be balanced if a pivot is placed at some digit. More specifically, imagine each digit as a box with weight indicated by the dig...
分类:其他好文   时间:2015-03-01 21:05:16    阅读次数:134
SPOJ10606---Balanced Numbers(三进制数位dp)
Balanced numbers have been used by mathematicians for centuries. A positive integer is considered a balanced number if:1) Every even digit appears an odd number of times in its decimal representat...
分类:其他好文   时间:2015-02-28 21:40:21    阅读次数:112
[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.解法:自底向上 时间复杂度O(n), 空间复杂度O(logN) 1 clas...
分类:其他好文   时间:2015-02-26 19:58:04    阅读次数:166
poj 3264 Balanced Lineup(简单线段树 或 rmq)
Language: Default Balanced Lineup Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 36833   Accepted: 17252 Case Time Limit: 2000MS Description For th...
分类:其他好文   时间:2015-02-26 13:30:05    阅读次数:127
Balanced Binary Tree
1 public class Solution { 2 public boolean isBalanced(TreeNode root) { 3 int result = checkHeight(root); 4 return result != -1; 5...
分类:其他好文   时间:2015-02-26 09:47:51    阅读次数:103
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