discount.h

来自「本文是类与对象实验所有内容」· C头文件 代码 · 共 14 行

#include<iostream.h>
class discount
{
public:
    discount(int,double);
	static double average();
	static void    display();
	double average(discount &);
private:
    double price;                                      
    static int n;                
    static double sum;
	static double dis;
};