문제

링크

풀이

#include <stdio.h>
 
int main(void) {
  int a;
 
  for (int i=0; i<3; i++) {
    int count = 0;
    for (int j=0; j<4; j++) {
      scanf("%d", &a);
      if (a == 1) count++;
    }
    switch(count) {
      case 3: printf("A\n"); break;
      case 2: printf("B\n"); break;
      case 1: printf("C\n"); break;
      case 0: printf("D\n"); break;
      case 4: printf("E\n"); break;
    }
  }
  return 0;
}