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  1. #include <stdio.h>
  2. int main ()
  3. {
  4. /* variable definition: */
  5. int count, value, sum;
  6. double avg
  7. ;
  8. /* Initialize
  9. */
  10. count = 0;
  11. sum = 0;
  12. avg = 0.0;
  13. // Loop through to input values
  14. while (count < 20)
  15. {
  16. printf("Enter a positive Integer\n");
  17.  
  18. scanf("%d", &value);
  19. if (value >= 0) {
  20. sum = sum+ value;
  21. count = count + 1;
  22. }
  23. else {
  24. printf("Value must be positive \n");
  25. }
  26. }
  27. // Calculate avg. Need to type cast since two integers will yield an integer
  28. avg = (double) sum/count;
  29. printf("average is %lf\n " , avg);
  30. return 0;
  31. }
  32.  
  33.  
Success #stdin #stdout 0s 2160KB
stdin
Standard input is empty
stdout
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
Enter a positive Integer
average is -80234186.800000