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refactor(sterni/aoc/2021): fold over 2d array instead of nested list

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Seems to save some allocations and thus recover some performance
compared to the two separate folds we had before.

Change-Id: Ie3d283103e6a9b8aa702db633d9c988fda1b2903
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4348
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
This commit is contained in:
sterni 2021-12-16 00:44:51 +01:00
parent 0f5cc25697
commit 3f8c99f5c3
1 changed files with 1 additions and 1 deletions
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users/sterni/exercises/aoc/2021/solutions.bqn
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@ -239,7 +239,7 @@ day13Folds ← ParseFolds 1 ⊑ day13Input
PerformAllFolds ← {𝕩 {(𝕨 _Fold)´𝕩}˜´ ⌽𝕨} PerformAllFolds ← {𝕩 {(𝕨 _Fold)´𝕩}˜´ ⌽𝕨}
DotMatrix ← { DotMatrix ← {
⟨width, height⟩ ← 1+⌈´𝕩 ⟨width, height⟩ ← 1+⌈˝∘‿2⥊∾𝕩
{𝕩? '█';' '}¨ height‿width⥊≠¨⊔((⊣+(width⊸×)∘⊢)´)¨ 𝕩 {𝕩? '█';' '}¨ height‿width⥊≠¨⊔((⊣+(width⊸×)∘⊢)´)¨ 𝕩
} }