문제
풀이
#include <stdio.h>
int main(void) {
int score;
scanf("%d", &score);
switch (score / 10) {
case 10: case 9: printf("A"); break;
case 8: printf("B"); break;
case 7: printf("C"); break;
case 6: printf("D"); break;
default: printf("F"); break;
}
return 0;
}