Program Angka Mutu C++

#include <stdio.h>
main()
{
char grade;
int sks;
int angka_mutu = 0;

printf ("Program Hitung Angka Mutu");
printf ("\nInput Grade (A, B, C, D, E) : ");
grade = getchar();
printf ("Input SKS : ");
scanf ("%i", &sks);

switch (grade) {
case 'A' : angka_mutu = 4 * sks; break;
case 'B' : angka_mutu = 3 * sks; break;
case 'C' : angka_mutu = 2 * sks; break;
case 'D' : angka_mutu = 1 * sks; break;
case 'E' : angka_mutu = 0 * sks; break;
}
printf ("\nGrade : %c", grade);
printf ("\nSKS : %i", sks);
printf ("\nAngka Mutu : %i", angka_mutu);
return 0;
}

Matur Sembah Nuwun