char grade = 'B';

switch (grade)
{
   case 'A' :
      cout << "Excellent" << endl; 

   case 'B' :
      cout << "Good" << endl;

   case 'C' :
      cout << "Average" << endl;

   case 'D' :
      cout << "Below average" << endl;

   case 'F' :
      cout << "Failing" << endl;

   default        :
      cout << "Invalid grade" << endl;
}