Yes, using the binomial coefficient formula is another solution that is shorter, but I downvoted you for not being civil. Please read: http://ycombinator.com/n

Yes, using the binomial coefficient formula is another solution that is shorter, but I downvoted you for not being civil. Please read: http://ycombinator.com/newsguidelines.html http://ycombinator.com/newsguidelines.html