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leetcode - Count Primes
leetcode -https://leetcode.com/problems/count-primes/Q:Description:Count the number of prime numbers less than a non-negative number,nHint:The number ...
分类:其他好文   时间:2015-04-27 18:10:59    阅读次数:230
Leetcode Two Sum
Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu...
分类:其他好文   时间:2015-04-27 18:07:23    阅读次数:119
杭电4608(I-number) java写很容易 就是超内存!!!
不用java就用大数模板做见hdu1002,java写很容易 就是超内存!!! Problem Description The I-number of x is defined to be an integer y, which satisfied the the conditions below: 1. y>x; 2. the sum of each digit of y(under...
分类:编程语言   时间:2015-04-27 16:58:55    阅读次数:197
poj2155Matrix
Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 20160   Accepted: 7531 Description Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in th...
分类:其他好文   时间:2015-04-27 16:55:31    阅读次数:102
ECSHOP 商品详情页购买数量 添加加减按钮
<inputname="number"type="text"id="number"value="1"size="4"onblur="changePrice()"style="border:1pxsolid#ccc;"/>修改为<spanclass="goods_cut" _src="p_w_picpaths/plus1.gif" alt="减少"width="15"height="15"/></span><inputname="number"type="te..
分类:其他好文   时间:2015-04-27 15:31:06    阅读次数:154
ecshop商品列表页面增加按销量排序
STEP1:在表“ecs_goods”添加字段:salesnum(注:自定义字段名)STEP2:打开根目录下文件:flow.php找到下面的代码:/*插入订单商品*/$sql=“INSERTINTO”.$ecs->table(’order_goods’).“(”.“order_id,goods_id,goods_name,goods_sn,product_id,goods_number,market_p..
分类:编程语言   时间:2015-04-27 15:28:34    阅读次数:193
PHP number_format() 函数
定义和用法number_format() 函数通过千位分组来格式化数字。语法1 number_format(number,decimals,decimalpoint,separator)1 输出:1 1,000,0002 1,000,000.003 1.000.000,00
分类:Web程序   时间:2015-04-27 14:57:20    阅读次数:211
水题:Counting Kangaroos is Fun
DescriptionThere arenkangaroos with pockets. Each kangaroo has a size (integer number). A kangaroo can go into another kangaroo's pocket if and only i...
分类:其他好文   时间:2015-04-27 14:47:15    阅读次数:128
数据类型概述
在JavaScript中的每一个值都属于一种数据类型,JavaScript的数据类型分6种。这6种数据类型又分成两类: 原始类型(primitive type) 和 对象类型(object type)原始类型包括3种数据类型: 数值(Number)布尔(Boolean)字符串(String)对象类型...
分类:其他好文   时间:2015-04-27 14:44:28    阅读次数:93
SQLServer的Lead和Lag实现
在这里不谈2012版本,因为那版本好像有了lead,lag函数,不过没试过。这里主要讲怎么自己实现 1、有表A如下数据 2、SQL如下 SELECT * FROM (SELECT A.*,row_number() OVER(order by id) r FROM A) k ,(SELECT A.*,row_number() OVER(order by id) r FROM A)...
分类:数据库   时间:2015-04-27 13:14:53    阅读次数:198
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