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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int a, s, x, y, z;
  6. 	x = 1;
  7. 	y = 0;
  8. 	z = 2;
  9. 	cin >> a;
  10. 	while (a != s){
  11. 		x = x + y;
  12. 		y = x - y;
  13. 		s = x + y;
  14. 		z = z + 1;
  15. 	}
  16. 	cout << z << endl;
  17. 	return 0;
  18. }
Success #stdin #stdout 0.01s 5288KB
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stdout
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https://ideone.com/KK0Xve
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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