#include <stdio.h>
int main(void) {
int s[5],sum=0,i=0;
float per;
for(i=0;i<5;i++)
{
sum=sum+s[i];
}
per=sum/500;
/* if(per>=90)
printf("%.2f A",per);
else if(per>=80)
printf("%.2f B",per);
else if(per>=70)
printf(".%2f C",per);
else if(per>=60)
printf("%.2f D",per);
else if(per>=40)
printf("%.2f E",per);
else printf("%.2f F",per);*/
return 0;
}
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