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  1. #include <stdio.h>
  2.  
  3. int sum = 0;
  4. int count = 0;
  5.  
  6. double avgup(int n) {
  7. 	sum += n;
  8. 	count++;
  9.  
  10. 	return (double)sum / count;
  11. }
  12.  
  13. int main(void) {
  14. 	int x;
  15. 	double average;
  16.  
  17. 	while(1) {
  18. 		scanf("%d",&x);
  19.  
  20. 		if(x < 0) {
  21. 			break;
  22. 		}
  23.  
  24. 		average = avgup(x);
  25. 		printf("%.1f\n", average);
  26. 	}
  27.  
  28.  
  29. 	return 0;
  30. }
  31.  
Success #stdin #stdout 0s 5304KB
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https://ideone.com/3TUJQw
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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