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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. 		int[] array = {1,2,3,4};
  10. 		int sum = 0;
  11. 		int endMultiplier = 0;
  12. 		for (int i = array.length-1; i >= 0; i--)
  13. 		{
  14. 			endMultiplier = 10*endMultiplier + 1;
  15. 			sum += array[i] * (i+1) * endMultiplier;
  16. 		}
  17. 		System.out.println(sum);
  18. 	}
  19. }
Success #stdin #stdout 0.05s 4386816KB
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stdin 
Standard input is empty
stdout 
1670
https://ideone.com/naSnjj
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
secret

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