问题:
#include<iostream.h>
void main( )
{ int score;
cout<<"Please input score=";
cin>>score;
if(score>100|| score<0)
cout<<"error"<<endl;
else
{
switch(score/10)
{ case 10:
case 9:cout<<"A\n";break;
case 8:cout<<"B\n";break;
case 7:cout<<"C\n";break;
case 6:cout<<"D\n";break;
default:cout<<"E\n";
}
}
}
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