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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		Scanner in = new Scanner(System.in);
  10. 		int m, n;
  11. 		m = in.nextInt();
  12. 		n = in.nextInt();
  13. 		double[] a = new double[m*n+1];
  14. 		double sum1 = 1, sum2 = 1, sum3 = 1;
  15. 		for (int i = 1; i <= m*n; i++)
  16. 		{
  17. 			a[i] = in.nextDouble();
  18. 			if (i <= m)
  19. 			{
  20. 				sum1 *= a[i];
  21. 			}
  22. 			if ((i > m) && (i <= 2*m))
  23. 			{
  24. 				sum2 *= a[i];
  25. 			}
  26. 			if ((i > (n - 1)*m) && (i <= n*m))
  27. 			{
  28. 				sum3 *= a[i];
  29. 			}
  30. 		}
  31. 		System.out.println(sum1 + sum2 + sum3); 
  32. 	}
  33. }
Success #stdin #stdout 0.14s 31480KB
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stdin
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3 2
1.1 2.2 3.3 4.4 5.5 6.6
stdout
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327.426
https://ideone.com/XjnsH2
A321
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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