Sure... if you change the problem it's important to change the solution to match...
Thanks, -- Raul On Wed, Oct 23, 2019 at 12:49 PM R.E. Boss <[email protected]> wrote: > > The solutions with { are rather inefficient as one can imagine, which can be > seen by scaling > > ts' ~.".~.@>,{10#<''0123456789''' > |limit error: ts > | ~.".~.@>, {10#<'0123456789' > > De Forcrand's solution was better (at least it had one) > > ts'~. ; (#:i.2^10) <@(10 #. i.@!@# A. ])@# i.10 > 5.1813604 1.1912583e9 > > My solution scored in the same order > > ts'foo i.10' > 5.713089 1.1684645e9 > > (foo i.10) =&# ~. ; (#:i.2^10) <@(10 #. i.@!@# A. ])@# i.10 > 1 > > With > > foo=: 3 : 0 > t=:<,.y > r=. ([,-.~)"0 1~"1 y > for_k. >:i.2-~#y do. > t=: t,<(k+1){."1 r=.,/(k&{.(,"1 ([,-.~)"0 1~) k&}.)"1 r > end. > t=: t,< y(],-.)"1>{:t > ~.;10#.L:0 t > ) > > R.E Boss > > > > -----Oorspronkelijk bericht----- > > Van: Programming <[email protected]> > > Namens Raul Miller > > Verzonden: maandag 21 oktober 2019 22:22 > > Aan: Programming forum <[email protected]> > > Onderwerp: Re: [Jprogramming] Multiple Takes > > > > You can shave a character or so off that last one (using @ instead of "1): > > > > ~.".~.@>,{4#<'0126' > > 0 1 2 6 12 16 21 26 61 62 126 162 216 261 612 621 10 102 106 1026 1062 > > 120 160 1206 1260 1602 1620 20 201 206 2016 2061 210 2106 2160 260 > > 2601 2610 60 601 602 6012 6021 610 6102 6120 620 6201 6210 > > > > (And, yes, I hadn't read the thread to notice the omitted requirement.) > > > > (Also, thinking about this thread: the A. approach winds up being far more > > verbose because implied leading zeros don't matter (could repeat), and > > numeric approaches tend to need 10#. instead of ". among other things > > which make them verbose.) > > > > Thanks, > > > > -- > > Raul > > > > On Mon, Oct 21, 2019 at 3:11 PM Roger Hui <[email protected]> > > wrote: > > > > > > ~. 10&#.@~.&> , { 4#<0 1 2 6 > > > ~. ". ~."1 > , {4#<'0126' > > > > > > > > > > > > On Mon, Oct 21, 2019 at 11:46 AM Skip Cave <[email protected]> > > wrote: > > > > > > > Wow! I hadn't really realized the power of catalogue '{'. This was a > > > > great learning experience. Thanks to everyone for the posts. > > > > > > > > ... > > > > > > > > Is there any way to get rid of the extra 'eaches' in the function? > > > > Or is that the route I must take to use integers instead of characters? > > > > > > > ---------------------------------------------------------------------- > > > For information about J forums see > > http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
