switch statement
#include <iostream>
int main() {
char grade;
std::cout << "Enter your grade: ";
std::cin >> grade;
switch (grade) {
case 'A':
case 'a':
std::cout << "Excellent!";
break;
case 'B':
case 'b':
std::cout << "Good!";
break;
case 'C':
case 'c':
std::cout << "Average.";
break;
case 'D':
case 'd':
std::cout << "Needs improvement.";
break;
case 'F':
case 'f':
std::cout << "Fail.";
break;
default:
std::cout << "Invalid grade.";
}
return 0;
}