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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. // dla n
  5. // fibonacci(n) - n-ty wyraz ciagu
  6.  
  7. int main() {
  8.  
  9. 	int n, a=1, b=1, c;
  10. 	cin >> n;
  11.  
  12. 	if (n==1 || n==2)
  13. 		cout << 1 << endl;
  14. 	else
  15. 	{
  16. 		for (int i=3; i<=n; i++)
  17. 		{
  18. 			c=a+b;
  19. 			a=b;
  20. 			b=c;
  21. 		}
  22. 		cout << c << endl;
  23. 	}
  24. 	return 0;
  25. }
Success #stdin #stdout 0.01s 5316KB
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https://ideone.com/pFRL5t
ciag Fibonacciego v2 iteracja
language:
C++ (gcc 8.3)
created:
8 hours ago
visibility:
public

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