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  1. import java.util.*;
  2.  
  3. class Main
  4. {
  5. 	public static void main (String[] args) throws java.lang.Exception
  6. 	{
  7. 		Scanner scan = new Scanner(System.in);
  8. 		double sum_1=0, sum_2=0;
  9. 		int n = scan.nextInt();
  10. 		int m = scan.nextInt();
  11.  
  12. 		for(int k=1; k<=n; k++){
  13. 			for(int l=1; l<=m; l++)	sum_2+=(k-l)*(k-l);
  14. 			sum_1+=k*k*k*sum_2;
  15. 			sum_2-=sum_2;
  16. 		}
  17.  
  18. 		System.out.print(sum_1);
  19. 	}
  20. }
Success #stdin #stdout 0.12s 29540KB
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10	15
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983455.0
https://ideone.com/QTxnn1
A320
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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