Off-the-cuff... a=: 10123 b=: 32110 c=: 32100 -:/ /:~ :/:@":&.> a,b 1 -:/ /:~ :/:@":&.> a,c 0
On Thu, Sep 22, 2011 at 10:41 PM, David Vaughan <[email protected]> wrote: > Hi, what is the best (fastest) way to check whether a number is a permutation > of another number? > I've tried listing all permutations of one number and checking whether the > other number is in the list of permutations. This seems pretty slow, so I was > hoping for a faster method. > > Thanks. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
