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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n;
  6. 	cin >> n;
  7.  
  8. 	int f[1000005];
  9. 	f[0] = 0;
  10. 	f[1] = 1;
  11. 	for (int i = 2; i <= n; ++i) {
  12. 		f[i] = f[i - 1] + f[i - 2];
  13. 	}
  14.  
  15. 	cout << f[n];
  16.  
  17.  
  18. 	return 0;
  19. }
Success #stdin #stdout 0.01s 5284KB
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stdout
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https://ideone.com/jqn2bM
language:
C++14 (gcc 8.3)
created:
7 hours ago
visibility:
public

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