looks like I double pasted? all one line.
+&| /}. {: > f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut 'R2, R2, R2' or +&| /}. {: > f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut a ----- Original Message ----- From: Joe Bogner <joebog...@gmail.com> To: programm...@jsoftware.com Sent: Thursday, December 1, 2016 2:39 PM Subject: Re: [Jprogramming] advent of code 2016 Nice, that sounds like what i had in mind. I get a domain error though: a =. 'R2, R2, R2' O =: 4 2 $ _1 0 0 1 1 0 0 _1 f =: 4 : 0 a =. 4 | x ({.@] + _1 1 {~ 'R' = {.@[) {: y y , a , (}. {: y) + x (".@}.@[ * O {~ ]) a ) +&|/ }. {: > f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut a f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut a NB. part 1 plot <"1 |: }."1 > f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut a NB. part 2, find intersection in plot Running all gives me: +&|/ }. {: > f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut a f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut a NB. part 1 |domain error: f | a=.4|x ({.@]+_1 1{~'R'={.@[){:y This is what it works up to: (,: 0 0 0) (, <)~ |. dltb each ',' cut a NB. part 1 ┌──┬──┬──┬─────┐ │R2│R2│R2│0 0 0│ └──┴──┴──┴─────┘ This seems to work though: +&|/ }. {: > f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut a 2 +&|/ }. {: > f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut 'R2,R2,R2' 2 +&|/ }. {: > f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut 'R5,L5,R5,R3' 12 It looks like there may be a typo in your paste This +&|/ }. {: > f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut a f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut a NB. part 1 Should be this: +&|/ }. {: > f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut a On Thu, Dec 1, 2016 at 2:11 PM, 'Pascal Jasmin' via Programming <programm...@jsoftware.com> wrote: > I posted an alternate solution, > > a =. wdclippaste '' NB. input from clipboard > > O =: 4 2 $ _1 0 0 1 1 0 0 _1 > f =: 4 : 0 > a =. 4 | x ({.@] + _1 1 {~ 'R' = {.@[) {: y > y , a , (}. {: y) + x (".@}.@[ * O {~ ]) a > ) > > +&|/ }. {: > f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut a f each/ (,: 0 0 > 0) (, <)~ |. dltb each ',' cut a NB. part 1 > > > plot <"1 |: }."1 > f each/ (,: 0 0 0) (, <)~ |. dltb each ',' cut a NB. part > 2, find intersection in plot > > general description, > > O holds direction vectors, > 0 0 0 is appended to reversed list of commands, where position 0 is the > orientation index into 0, and other 2 are x y positions of taxi. > > f/ updates orientation and x y on each iteration, where intermediate value a > is new orientation. > > > > > ----- Original Message ----- > From: Joe Bogner <joebog...@gmail.com> > To: programm...@jsoftware.com > Sent: Thursday, December 1, 2016 1:43 PM > Subject: Re: [Jprogramming] advent of code 2016 > > I added an alternate solution to problem 1, part 1 - > http://code.jsoftware.com/wiki/Essays/Advent_Of_Code_2016#Imperative_Style_.28cleanup.29 > > If I had the time, I would think about how to reformulate it so I > could use / to reduce the input to a single solution. I recall using > that pattern last year > > > On Thu, Dec 1, 2016 at 12:53 PM, Joe Bogner <joebog...@gmail.com> wrote: >> I've started a wiki page for it so we don't have to go back and add >> them later. Feel free to edit/add >> >> http://code.jsoftware.com/wiki/Essays/Advent_Of_Code_2016 >> >> My solution to the first problem is pretty bad (works though). I >> intend to add another solution that's in a more functional style >> >> On Thu, Dec 1, 2016 at 11:16 AM, 'Pascal Jasmin' via Programming >> <programm...@jsoftware.com> wrote: >>> back again this year, >>> >>> >>> http://adventofcode.com/2016 >>> ---------------------------------------------------------------------- >>> 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 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm