// C code
// This program will calculate the sum of 20 positive integers.
// Developer: Kristina Nguyen
// Date: September 21, 2017
 
#include <stdio.h>
 
int main ()
{
/* variable definition: */
int count, value, sum, count1;
double avg;
/* Initialize */
count = 0;
sum = 0;
avg = 0.0;
count1 = 0;
printf("How many numbers do you want to sum?\n");
scanf("%d", &count1);
// Loop through to input values
while (count < count1)
{
printf("Enter a positive Integer\n");
scanf("%d", &value);
if (value >= 0) 
{    sum = sum + value;    count = count + 1;}
else {     
printf("Value must be positive\n");}
}
// Calculate avg. Need to type cast since two integers will yield an integer
avg = (double) sum/count;
printf("average is %lf\n " , avg );
return 0;
}
 

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