Thank you Adam, but the thing is I don't only want the solution but also, how to go about such questions? How do you came to a solution to this question?
On Aug 24, 8:43 am, Adam <wangyanadam1...@gmail.com> wrote: > Write here again: > I find an easier non-recursive solution to compute the rectangle > number (represented as RN) of an h x w rectangle (which has a height > of h units and a width of w units): > > Situation 1: > > If (h and w are coprime) or (h = 1) or (w = 1) > > then RN = h + w - 1. > > Situation 2: > > If h and w are not relatively prime, we can find the greatest common > divisor (represented as gcd) that makes > (1) h = h' x gcd, w = w' x gcd > and > (2) (h' and w' are coprime) or (h' = 1) or (w' = 1), > > then we finally get the result RN = (h' + w' - 1) x gcd. > > This computation method will obviously help you find all the > rectangles with a given pair of height and width. It's pretty much > like a reverse problem. -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algoge...@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.