Thank you both. That was it.
Too long a day.
Missatge de bill lam <bbill....@gmail.com> del dia ds., 3 de des. 2022 a
les 0:11:
> Perhaps you copy and paste from email to J and it contained nonbreak space
> that visually identical to a normal space.
>
> Typing it manually may solve your problem.
>
> On Sat, 3 Dec 2022 at 6:47 AM Jaume <greenni...@gmail.com> wrote:
>
> > Thank you both.
> >
> > Unfortunately neither of your ways work for me.
> >
> > ev =: (9 3$'A XA YA ZB XB YB ZC XC YC Z')&(4 8 3 1 5 9 7 2 6 { ~ i.)
> >
> > |spelling error
> >
> > | ev =: (9 3$'A XA YA ZB XB YB ZC XC YC Z')&(4 8 3 1 5 9 7 2 6 { ~ i.)
> >
> > | ^
> >
> >
> > No idea how to solve it. I tried the different & related verbs to no
> avail.
> >
> > parse=: ('ABC',:'XYZ') i."1 |:-.&' ';._2 input
> >
> > |length error
> >
> > | parse=:('ABC',:'XYZ') i."1|:-.&' ';._2 input
> >
> > I'm trying to use different input, but all give me the same error
> message.
> > I tried reading it from the file, unboxing, making it 'A YB XC Z' ...
> > without success.
> >
> > On a different note, I'm writing down all this, breaking down the
> sentences
> > so I can understand them in the future too, making it in a literate
> > programming style. I will add this to my solutions. You can see a work in
> > progress here:
> >
> >
> https://github.com/JaumeGreen/adventofcode/blob/master/2022/day02/log.ijs
> >
> > Do you prefer if I cite you by name, nick, not at all?
> >
> > Thanks.
> >
> >
> > Missatge de Raul Miller <rauldmil...@gmail.com> del dia dv., 2 de des.
> > 2022
> > a les 20:39:
> >
> > > Here's a cleaned up version of how I approached that (here 'input'
> > > held the raw text of input.txt provided by the aoc website).
> > >
> > > parsed=: ('ABC',:'XYZ') i."1 |:-.&' ';._2 input
> > > part1=: {{ +/1+y+3*3|(1+y)-x }}/
> > > part2=: {{ +/(3*y)+4|&.<:x+y }}/
> > >
> > > Note that my original implementations were a bit different. For
> > > example, for part 1, I had
> > >
> > > scor=: {{
> > > 'op me'=. y
> > > (1+me)+ 3*op {{ (x |. 2 0 1)i.y}}"0 me
> > > }}
> > >
> > > and used
> > > +/scor parsed
> > >
> > > I hope this makes sense,
> > >
> > > --
> > > Raul
> > >
> > > On Fri, Dec 2, 2022 at 12:40 PM Jaume <greenni...@gmail.com> wrote:
> > > >
> > > > Hello again
> > > > I managed to solve it, but I don't like it much, so feel free to
> > educate
> > > me.
> > > >
> > > > Reading the file, and evaluating the result is something that looked
> > > nice:
> > > >
> > > > p =. 1!:1<'day02.input'
> > > >
> > > > +/>ev each cutopen p
> > > >
> > > > xxxx
> > > >
> > > > +/>ev2 each cutopen p
> > > >
> > > > xxxx
> > > >
> > > > Now are the evaluating functions. I really don't like how they are
> > done.
> > > > I'd even prefer to create a table and search in it, but I don't know
> > how.
> > > > So a select. is used.
> > > >
> > > >
> > > > ev=: 3 : 0
> > > >
> > > > select. y
> > > >
> > > > case. 'A X' do.
> > > >
> > > > 4
> > > >
> > > > case. 'A Y' do.
> > > >
> > > > 8
> > > >
> > > > case. 'A Z' do.
> > > >
> > > > 3
> > > >
> > > > case. 'B X' do.
> > > >
> > > > 1
> > > >
> > > > case. 'B Y' do.
> > > >
> > > > 5
> > > >
> > > > case. 'B Z' do.
> > > >
> > > > 9
> > > >
> > > > case. 'C X' do.
> > > >
> > > > 7
> > > >
> > > > case. 'C Y' do.
> > > >
> > > > 2
> > > >
> > > > case. 'C Z' do.
> > > >
> > > > 6
> > > >
> > > > end.
> > > >
> > > > )
> > > >
> > > >
> > > > And the same with different numbers for ev2.
> > > >
> > > > Would this be an appropriate way to approach the problem? Is there a
> > > > "better" way?
> > > >
> > > >
> > > > Thanks.
> > > >
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> > >
> >
> >
> > --
> > The fact that an opinion has been widely held is no evidence whatever
> that
> > it is not utterly absurd. -- Bertrand Russell
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
> >
> ----------------------------------------------------------------------
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>
--
The fact that an opinion has been widely held is no evidence whatever that
it is not utterly absurd. -- Bertrand Russell
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