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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60
40
1
20
200
70
100
20
4
90
74
98
9
12
18
29
37
50
15
68