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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n;
  6. 	cin >> n;
  7. 	double a[n];
  8. 	for(int i = 0; i < n ; ++i){
  9. 		cin >> a[i];
  10. 	}
  11. 	if(n >= 3){
  12. 		for(int i = 2; i < n; i+=3){
  13. 			double tmp = a[i - 1];
  14. 			a[i - 1] = (a[i] + a[i - 2])/2;
  15. 			a[i] = (tmp + a[i - 2])/2;
  16. 		}
  17. 		for(int i = 0; i < n ; ++i){
  18. 		cout << a[i] <<((i == n - 1)? "\n" : " ");
  19. 		}
  20. 	}
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 3276KB
comments (?)
stdin
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3 5 9 1
stdout
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5 3 7
https://ideone.com/7pOMXe
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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