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  1. import java.util.*;
  2.  
  3. class Task3
  4. {
  5. 	public static void main (String[] args)
  6. 	{
  7. 		int m, n;
  8. 		double S = 0;
  9. 		Scanner in = new Scanner(System.in);
  10. 		m = in.nextInt();
  11. 		n = in.nextInt();
  12. 		for (int i = 1; i <= m; i++)
  13. 		{
  14. 			for (int j = 1; j <= n; j++)
  15. 			{
  16. 				S += 1.0/(i + j*j);
  17. 			}
  18. 		}
  19.  
  20. 		System.out.println(S);
  21. 	}
  22. }
Success #stdin #stdout 0.07s 4386816KB
comments (?)
stdin 
164
395
stdout 
34.750965089629275
https://ideone.com/vOal3o
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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