#include <stdio.h>
int main(void) {
int middle, final;
int average;
printf("중간 고사 점수를 입력하시오: \n");
printf("기말 고사 점수를 입력하시오: \n");
average = (middle + final) / 2;
if(average >= 90)
else if(average >= 80)
else if(average >= 70)
else if(average >= 60)
else
return 0;
}
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