the lexicographical permutation is solution .am i rite??
On Fri, Jul 10, 2009 at 6:33 PM, Spiritus <spirit...@gmail.com> wrote: > > Yep, something like > > define A[1..n] > > Gen(k, l): > if(k==0) > print A; > for(i=1; i<=l; i++) > Gen(k-1, A[k]=i); > > And, in your case, you should call Gen(n, 3), since you want it with 3 > numbers (e.g. s,d,t will equal 1,2,3) > > On Jul 9, 12:18 pm, Miroslav Balaz <gpsla...@googlemail.com> wrote: > > LOL, you should heve some ordering of elements, and only cnstruct > > nondecreasing sequence > > like nuber are like ordered by liek a value, and you can like order any > > finite set like you want. > > > > 2009/7/9 lad4bear <lad4b...@gmail.com> > > > > > > > > > Thanks for all the help guys. > > > > > And Geoff, sorry to be a pain but can you explain a little more fully > > > what you mean? > > > > > Cheers > > > > > Pete > > > > > On Jul 7, 2:09 pm, Geoffrey Summerhayes <sumr...@gmail.com> wrote: > > > > On Jul 6, 12:34 pm, lad4bear <lad4b...@gmail.com> wrote: > > > > > > > Hi Guys, > > > > > > > Here is my situation. > > > > > > > The set of room types available is [s, d, t]. A user specifies the > > > > > number of rooms required [n] and I have to generate a list of > > > > > permutations. > > > > > > > So where n=3 we get [sss, ssd, sst, sdt, std, etc] > > > > > > > The problem I have is that sdt and std really are the same. > > > > > > > How can I get an efficient list of permutations but without > > > > > duplicates? > > > > > > Easy enough, just pick elements whose index is larger > > > > than or equal to the last element chosen instead of picking > > > > from the entire set. > > > > > > -- > > > > Geoff > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@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 -~----------~----~----~----~------~----~------~--~---
