====
~cpp
#include <iostream>
using namespace std;
int main()
{
int score[10]={0,},i,n,a,b,c,d,f;
a=0;
b=0;
c=0;
d=0;
f=0;
cout <<" 10 \n";
while (n != 999){
cout << " \n";
cin >> n;
cout <<" 999";
switch(n/10)
{
case 9:
a++;
break;
case 8:
b++;
break;
case 7:
c++;
break;
case 6:
d++;
break;
default:
f++;
break;
}
}
cout <<"A="<<a<<endl;
cout <<"B="<<b<<endl;
cout <<"C="<<c<<endl;
cout <<"D="<<d<<endl;
cout <<"F="<<f<<endl;
return 0;
}










