main.cpp

本文是类与对象实验所有内容

#include<iostream.h>
#include"discount.h"
void main()
{   
   discount a(5,23.5); 
   discount b(12,24.5); 
   discount c(100,21.5); 
   c.display();
   cout<<"平均价格是:"<<c.average(c)<<endl; 
}