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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	static int gcd(int a, int b)
  11. 	{
  12. 		while(b!=0)
  13. 		{
  14. 			int temp=a%b;
  15. 			a=b;
  16. 			b=temp;
  17. 		}
  18. 		return a;
  19. 	}
  20. 	public static void main (String[] args) throws java.lang.Exception
  21. 	{
  22. 		// your code goes here
  23. 		Scanner sc=new Scanner(System.in);
  24. 		int n=sc.nextInt();
  25. 		int a[]=new int [n];
  26. 		for(int i=0;i<n;i++)
  27. 		a[i]=sc.nextInt();
  28.  
  29. 		int ans=a[0];
  30. 		for(int i=0;i<n;i++)
  31. 		ans=gcd(a[i],ans);
  32.  
  33. 		System.out.println(ans);
  34.  
  35.  
  36.  
  37.  
  38. 	}
  39. }
Success #stdin #stdout 0.11s 54432KB
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https://ideone.com/S0Va3O
language:
Java (HotSpot 12)
created:
4 days ago
visibility:
public

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