[Jprogramming] Questions on Advent of code Day 5

[Henry Rich]

The picture is up to date.

Henry Rich

On 12/6/2022 5:24 PM, Brian Schott wrote:
> Don't you mean v instead of u.
> And even so, that may be the backward stuff that was discussed for a while
> in the early Fold stages?
>
> On Tue, Dec 6, 2022 at 5:21 PM Raul Miller <rauldmiller at gmail.com> wrote:
>
>> You should probably spend a few minutes studying the diagram at
>>
>> https://code.jsoftware.com/wiki/Vocabulary/fcap#How_should_I_define_u_and_v.3F
>>
>> The short form, however, might be summarized as:
>>
>>    lfold=: {{ ]F..(u~) }}
>>    rfold=: {{ ]F.:(u~) }}
>>
>> I hope this makes sense,
>>
>> --
>> Raul
>>
>>
>>
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