Day 2 was a little more challenging, but still easily solved in J - around
7 lines total for both answers. I stuck to solving individual parts of the
answers instead of trying to make the code as short as possible. I will
post my solutions later if anyone else does, but wanted to give some time
not to spoil.
fun. Maybe I can apply this logic to save on some wrapping paper this
year....
On Tue, Dec 1, 2015 at 11:22 PM, Joe Bogner <joebog...@gmail.com> wrote:
> Hi gc,
>
> I realized we all posted solutions without giving you feedback as requested
>
> Some feedback:
>
> 1. My style is to eliminate parentheses as I find it harder to see the
> substance of the function
>
> (# - [: +:@(+/) '('&i.) '((()'
>
> is equivalent but with fewer parentheses
>
> I sometimes prefer trains over bond - again, just style
>
> (# - [: +:@(+/) '(' i. ]) '((()'
>
> 2. The usage of i. is not intuitive as you are seeking 1 if the character
> is ). I would be more explicit about that
>
> (# - [: +:@(+/) ')' = ]) '((()'
>
> 3. In my version, I would remove the cap
>
> (# - ')' +:@(+/)@:= ]) '((()'
>
> 4. I considered eliminating the ] but that resulted in more parentheses
> and I thought it was less clear
>
> (# - +: @ (+/) @: (=&')') ) '((()'
>
> but we can move the bond to the right and parentheses aren't needed around
> it
>
> (# - +: @ (+/) @: =&')' ) '((()'
>
> compared with
>
> #-(+:@(+/@('('&i.)))
>
> I think this would be my final restyling of the concept of your version
>
> - sent from my mobile and tested with jandroid so not tested thoroughly
> On Dec 1, 2015 5:07 PM, "Geoff Canyon" <gcan...@gmail.com> wrote:
>
>> Spoiler (my solution, looking for feedback)
>> .
>> .
>> .
>> .
>> .
>> .
>> .
>> .
>>
>> F =: #-(+:@(+/@('('&i.)))
>>
>>
>> If S is the string from the site, then
>>
>>
>> F S
>>
>> returns the ending floor (the first part of the challenge).
>>
>>
>> Any suggestions on improving the syntax are welcome, I only dabble in J.
>>
>>
>> thx
>>
>>
>> gc
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
>>
>
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
