>>81
#include <stdio.h>
#define N 5
int main(void)
{
double s[N], sum = 0.0;
int i;
for (i = 0; i< N;i++){
printf("s[%d]:", i); scanf("%lf",&s[i]);
sum += s[i];
}
printf("average is %f\n", sum / N);
return 0;
}