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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int a, b;
  7. 	cin >> a >> b;
  8. 	int f[1000000];
  9. 	f[0] = 0;
  10. 	f[1] = 1;
  11. 	f[2] = 1;
  12. 	f[3] = 2;
  13. 	for(int i = 4; i <= b; i++){
  14. 		f[i] = f[i-1] + f[i-2];
  15. 	}
  16. 	int c = f[a], d = f[b];
  17. 	while(d%=c)swap(c, d);
  18. 	cout << c;
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 4504KB
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https://ideone.com/ayjzWM
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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