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  1. function recur_combi(m,n)
  2. {
  3.     if(n==0)
  4. 	{
  5. 	    return 1;
  6. 	}
  7. 	else if(n==1)
  8. 	{
  9. 	    return m;
  10. 	}
  11. 	else if(m==n)
  12. 	{
  13. 	    return 1;
  14. 	}
  15. 	else if(m<n)
  16. 	{
  17. 	    return 0;
  18. 	}
  19. 	else if(m>n)
  20. 	{
  21. 	    return recur_combi(m-1,n-1)+recur_combi(m-1,n);
  22. 	}
  23. }
  24.  
  25. function loop_combi(m,n)
  26. { 
  27.     temp1=1;
  28. 	temp2=1;
  29. 	temp3=1;
  30.     for(i=1;i<=m;i++)
  31. 	{
  32. 	    temp1*=i;
  33. 	}
  34. 	for(i=1;i<=m-n;i++)
  35. 	{
  36. 	    temp2*=i;
  37. 	}
  38. 	for(i=1;i<=n;i++)
  39. 	{
  40. 	    temp3*=i;
  41. 	}
  42.  
  43. 	return temp1/(temp2*temp3);
  44. }
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https://ideone.com/eSxAU
language:
JavaScript (rhino 1.7.9)
created:
13 years ago
visibility:
public

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