#include
using namespace std;
int main()
{ int c ;
cin >> c ;
switch (c)
{case'A':cout<< "85~100\n"; break ;
case'B':cout<< "70~84\n"; break ;
case'C':cout<< "60~69\n"; break ;
case'D':cout<< "60\n"; break ;
default :cout<< "error\n";
}
return 0 ;
}
int c ;
->
char c;
试试看
第一句改为 #include
还有输入应该是:6:
5,66,66,77等