정올 546 : 반복제어문2-자가진단6

My Solution

#include<stdio.h>
int main(void){
    int count,num,sum;
    printf("과목수 입력 : ");
    scanf("%d",&count);
    if(count>10){
        printf("error");
        return 0;
    } 
    int i;
    for(i=1;i<=count;i++){
        scanf("%d",&num);
        sum+=num;
    }
    printf("avg : %.1f\n",(float)sum/count);
    if((float)sum/count>=80){
        printf("pass");
    }
    else{
        printf("fail");
    }
    return 0;
}