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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. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. int fact=1;
  13. int sum=0;
  14. int n=4;
  15. for(int i=1;i<=n;i++)
  16. {
  17. fact=fact*i;
  18. }
  19. int rem=fact%10;
  20. sum+=rem;
  21. fact=fact/10;
  22. System.out.print(sum);
  23. }
  24. }
Success #stdin #stdout 0.05s 4386816KB
stdin
Standard input is empty
stdout
4