首先贴一段代码:package xiao;import
java.util.Scanner;class CashSuper{ private int num; private double price; public
int getNum() { return num; } public void....
分类:
其他好文 时间:
2014-05-16 07:03:31
阅读次数:
314
面向对象编程--纯虚函数、容器与继承I.纯虚函数 在函数形参后面写上 =0 以指定纯虚函数:class Disc_item : public Item_base
{
public:
double net_price(size_t) const = 0; //指定纯虚函数
};
将函数定义为纯虚函数能够说明,该函数为后代类型提供了可以覆盖的接口,但是这个类的版本绝不会调用。重要的是,用户将不...
分类:
编程语言 时间:
2014-05-15 05:50:43
阅读次数:
316
Best Time to Buy and Sell Stock1Say you have an
array for which theithelement is the price of a given stock on dayi.If you were
only permitted to comp...
分类:
其他好文 时间:
2014-05-14 22:36:11
阅读次数:
353
Total Accepted: 8400 Total Submissions: 38235 My Submissions
Say you have an array for which the ith element is the price of a given stock on day i.
Design an algorithm to find the maximum profi...
分类:
其他好文 时间:
2014-05-14 19:39:53
阅读次数:
275
原题:
Say you have an array for which the ith element is the price of a given stock on day i.
If you were only permitted to complete at most one transaction (ie, buy one and sell one share of th...
分类:
其他好文 时间:
2014-05-13 14:12:41
阅读次数:
342
Best Time to Buy and Sell StockSay you have an
array for which theithelement is the price of a given stock on dayi.If you were
only permitted to compl...
分类:
其他好文 时间:
2014-05-12 05:56:14
阅读次数:
315
本文旨在讨论使用DataColumn.Expression属性定制列,高手绕过。这里只介绍两个经典的场景,抛砖引玉其他更多功能待各位读者自己发现吧!场景一:DataTable里有两个列分别为每种商品的[price]单价和[Num]数量,现在需要得到每种商品的总价值:方法一(不推荐):增加一列[Val...
分类:
Web程序 时间:
2014-05-10 02:34:59
阅读次数:
308
Say you have an array for which theithelement
is the price of a given stock on dayi.Design an algorithm to find the maximum
profit. You may complete a...
分类:
其他好文 时间:
2014-05-10 00:24:49
阅读次数:
255
再来看一个选择li列表的例子:点击li中的任意项,被点击的li高亮显示: 6.3css类和样式
{{restaurant.name}}{{restaurant.food}}{{restaurant.price}} function Restauran...
分类:
Web程序 时间:
2014-05-09 19:25:15
阅读次数:
447
Say you have an array for which theithelement
is the price of a given stock on dayi.If you were only permitted to complete at
most one transaction (ie...
分类:
其他好文 时间:
2014-05-09 13:13:02
阅读次数:
283