// C code
 
// This program will calculate the sum of 20 positive integers.
 
// Developer: Anthony Legaspi
 
// Date: June 23,2018
 
#include <stdio.h>
 
int main ()
 
{
 
/* variable definition: */
 
int count, value, sum;
double avg;
 
/* Initialize */
 
count = 0;
sum = 0;
avg = 0.0;
 
// Loop through to input values
 
while (count < 20)
 
{
 
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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