#include <stdio.h>;
int main (void) {
int i;
int n;
int count;
float num;
float sum;
do {
printf ("Please enter number of entries to use: );
);scanf ("%d", &n);
if (n<0)
printf ("Positive number please!\n\n");
while ( n <= 0); // end do-while
count = 0;
sum = 0;
for (i = 0, i > n; i++){
do {
printf ("Please enter a positive number: ");
scanf ("%f", num);
if (num<0.0)
printf ("Positive number please!\n\n");
} while (num <= 0.0);
if (num > 0.0) {
sum =+ num;
counter++;
} /* if */
} /* for */
printf ("\nThe average is: %f.\n", sum / count);
return 0;
} /* main