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  1. #include <stdio.h>
  2. int main ()
  3. {
  4.  
  5. int count, value, sum, attempt, maxAttempts;
  6. double avg;
  7.  
  8. maxAttempts = 30; 
  9. attempt=0;
  10. count = 0;
  11. sum = 0; 
  12. avg = 0.0;
  13.  
  14.  
  15. while (value != 0 && attempt < maxAttempts){
  16.  
  17. 	printf("\nEnter a positive Integer or 0 to complete list:");
  18. 	scanf("%d", &value); 
  19. 	attempt++;
  20.  
  21. 	if (value > 0) {
  22. 		sum = sum + value; 
  23. 		count = count + 1;
  24. 		printf("           Integer number %d, value: %d", count, value);
  25. 	}
  26. 		else if( value < 0)
  27. 	{
  28. 		printf("\nError. Please enter a positive number");
  29. 	}
  30.  
  31. 	else {
  32. 		//value is 0, sentinele number introduced
  33. 		printf("\n\nCalculating average...");
  34. 	}
  35. }
  36.  
  37. if (value == 0){ 
  38. 	avg = (double) sum/count;
  39. 	printf("\n\nThe average is %lf\n " , avg );
  40. }
  41.  
  42. else if(count==0) {
  43. 	printf("\nThere is no average with no input!\n " );
  44. }
  45.  
  46. else {
  47. 	printf ("\n\nERROR!You have not introduce number 0 to complete the list, no average can be provided, please try again");
  48. }
  49.  
  50.  
  51. return 0;
  52. }
Success #stdin #stdout 0s 9432KB
comments (?)
stdin
copy 
100
100
100
100
100
0
0
0
0
0
200
200
200
200
100
100
100
100
100
100
0
stdout
copy 
Enter a positive Integer or 0 to complete list:           Integer number 1, value: 100
Enter a positive Integer or 0 to complete list:           Integer number 2, value: 100
Enter a positive Integer or 0 to complete list:           Integer number 3, value: 100
Enter a positive Integer or 0 to complete list:           Integer number 4, value: 100
Enter a positive Integer or 0 to complete list:           Integer number 5, value: 100
Enter a positive Integer or 0 to complete list:

Calculating average...

The average is 100.000000
https://ideone.com/41PlHV
language:
C (clang 8.0)
created:
7 years ago
visibility:
public

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