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refactor(sterni/aoc/2021): use a fold instead of last scan element

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We can use the reverse swap trick to get a forward fold.

Change-Id: I88185e2ff0b41ec1454f414db2d24b1c8173ac2d
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sterni 2021-12-14 01:13:28 +01:00
parent 6842e25f14
commit c7ebb34f8f
1 changed files with 1 additions and 1 deletions
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users/sterni/exercises/aoc/2021/solutions.bqn
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@ -237,7 +237,7 @@ day13Folds ← ParseFolds 1 ⊑ day13Input
# part 2 # part 2
PerformAllFolds ← {(-1)⊸⊑(<𝕩) {(𝕨 _Fold)´𝕩}` 𝕨} PerformAllFolds ← {𝕩 {(𝕨 _Fold)´𝕩}˜´ ⌽𝕨}
DotMatrix ← { DotMatrix ← {
⟨width, height⟩ ← 1+⌈´𝕩 ⟨width, height⟩ ← 1+⌈´𝕩
{𝕩? '█';' '}¨ height‿width⥊≠¨⊔((⊣+(width⊸×)∘⊢)´)¨ 𝕩 {𝕩? '█';' '}¨ height‿width⥊≠¨⊔((⊣+(width⊸×)∘⊢)´)¨ 𝕩