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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int  n, wyn, a;
  5.  
  6. int NWD(int x, int y)
  7. {
  8. 	while (y!=0)
  9. 	{
  10. 		x%=y;
  11. 		swap(x, y);
  12. 	}
  13. 	return x;
  14. }
  15. int main() {
  16. 	ios_base::sync_with_stdio (false);
  17. 	cin.tie(0);
  18. 	cout.tie(0);
  19.  
  20. 	cin>>n>>wyn;
  21. 	for (int i=2; i<=n; i++)
  22. 	{
  23. 		cin>>a;
  24. 		wyn= NWD(wyn,a);
  25. 	}
  26. 	cout<<wyn<<"\n";
  27. 	return 0;
  28. }
Success #stdin #stdout 0.01s 5336KB
comments (?)
stdin 
20
15
stdout 
15
https://ideone.com/WZ57bC
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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