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  1. #include <iostream>
  2. using namespace std;
  3. int gcd(int a, int b) {
  4.     return (a == 0) ? b: gcd(b % a, a);
  5. }
  6.  
  7. int main() {
  8. 	int n, m = 0;
  9. 	cin >> n;
  10. 	for (int i = 0; i < n; i++) {
  11. 		int a;
  12. 		cin >> a;
  13. 		m = gcd(m, a);
  14. 	}
  15. 	cout << m;
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 15232KB
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stdin
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4
132 36 66 18
stdout
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6
https://ideone.com/azjIv3
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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