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  1.  #include<iostream>
  2. #include<cmath>
  3. #include<algorithm>
  4. #include<string>
  5. #include<iomanip>
  6. using namespace std;
  7. int main(){
  8. 	long long  x, y;
  9. 	cin >> x >> y;
  10. 	if (x<0) x *= -1;
  11. 	if (y<0) y *= -1;
  12. 	if (x>y) swap(x, y);
  13. 	while (x){
  14. 		long long r = y%x;
  15. 		y = x;
  16. 		x = r;
  17. 	}
  18. cout << y << endl;
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 4180KB
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16
https://ideone.com/4PgO1P
language:
C++14 (clang 8.0)
created:
5 years ago
visibility:
public

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