#include <iostream>
using namespace std;
class product
{
public :
product(int n,int q,int p ):num(n),quantity(q),price(p){}
}
display();
private:
int num;
int quantity;
int price;
const int sum;
const int count;
};
int product:: display()
{
for(i=0;i<3;i++)
{
cout<<"please input num,quantity and the price"<<endl;
cin<<n[i].num<<endl<<n[i].quantity<<endl<<n[i].price<<endl;
if (n[i].quantity>10) price=0.98*price;
sum+=price;
count++;
return sum;
}
int product::sum=0;
int product::count=0;
int main()
{
int x,y;
product n[3]={
product (01,1,15),
product (02,3,10),
product(03,20,20)};
x=display();
y=average();
cout<<y;
}