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【leetcode】Convert Sorted Array to Binary Search Tree (easy)
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.有序数组变二叉平衡搜索树,不难,递归就行。每次先序建立根节点(取最中间的数),然后用子区间划分左右子树。一...
分类:其他好文   时间:2014-11-27 23:20:29    阅读次数:269
判断是否为中文
判断是否为中文 public string IsChina(string CString) { string ResultValue = string.Empty; for (int i = 0; i < CString.Length; i++) { if (Convert.ToInt32(Conv...
分类:其他好文   时间:2014-11-27 12:01:04    阅读次数:110
sql日期处理以及转换
DECLARE @dt datetime SET @dt=GETDATE() DECLARE @number int SET @number=3 --1.指定日期该年的第一天或最后一天 --A. 年的第一天 SELECT CONVERT(char(5),@dt,120)+ '1-1 ' --B. 年的最后一天 SELECT CONVERT(char(5)...
分类:数据库   时间:2014-11-27 10:51:36    阅读次数:293
[LeetCode] String to Integer (atoi) 字符串转为整数
Implement atoi to convert a string to an integer.Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below a...
分类:其他好文   时间:2014-11-27 08:00:27    阅读次数:319
PHP_编码问题汇总
mb_convert_encoding — 转换字符的编码 string?mb_convert_encoding?(?string?$str?,?string?$to_encoding?[,?mixed?$from_encoding?= mb_internal_encoding()?] ) /*?将?EUC-JP?转换成?UTF-7?...
分类:Web程序   时间:2014-11-27 01:39:59    阅读次数:213
LeetCode Roman to Integer
Given a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to 3999. 1 public class Solution { 2 public int ...
分类:其他好文   时间:2014-11-27 01:28:59    阅读次数:203
LeetCode Integer to Roman
Given an integer, convert it to a roman numeral.Input is guaranteed to be within the range from 1 to 3999.public class Solution { public String int...
分类:其他好文   时间:2014-11-26 23:57:48    阅读次数:330
LeetCode - Convert Sorted Array to Binary Search Tree
给出一个已排序的数组,将其转化为二叉查找树(BST)。思路:取数组中间元素为根结点的value,则数组左侧、右侧分别为BST的左子树、右子树。递归可求解。代码如下: 1 /** 2 * Definition for binary tree 3 * struct TreeNode { 4 * ...
分类:其他好文   时间:2014-11-26 18:13:30    阅读次数:206
[LeetCode] Integer to Roman 整数转化成罗马数字
Given an integer, convert it to a roman numeral.Input is guaranteed to be within the range from 1 to 3999.之前那篇文章写的是罗马数字转化成整数(http://www.cnblogs.com/gr...
分类:其他好文   时间:2014-11-26 16:20:50    阅读次数:244
[arm neon] data type convert (float <-> int32_t)
The conclusion is:NEON intrinsics support converting a float data type to int32 regarding a Q value. The reverse is also supported.Neon intrinsics alr...
分类:其他好文   时间:2014-11-26 14:10:55    阅读次数:534
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