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2024 day 8 cleaned up

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Dimitri Lozeve 2024-12-08 12:23:42 +01:00
parent 54a991f4f2
commit 1065943b0f
1 changed files with 6 additions and 5 deletions
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11
2024/day08/day08.bqn
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@ -1,7 +1,8 @@
in←>•FLines"input"
n←≠in
freqs←∾"0aA"+¨↕¨10‿26‿26
as←∾{(≠⌜˜↕∘≠)⊸(/○⥊)(⊣+-)⌜˜/○⥊⟜(↕≢)𝕩=in}¨freqs
•Show ≠⍷(∧´¨0⊸≤∧<⟜n¨¨)⊸/as
as2←∾{∾(≠⌜˜↕∘≠)⊸(/○⥊){(<𝕩)+(<𝕩-𝕨)×↕n}⌜˜/○⥊⟜(↕≢)𝕩=in}¨freqs
•Show ≠⍷(∧´¨0⊸≤∧<⟜n¨¨)⊸/as2
_antinodes←{f _r m:
ns←∾{∾(≠⌜˜↕∘≠)⊸(/○⥊)F⌜˜/○⥊⟜(↕≢)𝕩=m}¨freqs
⍷(∧´0⊸≤∧<⟜(≠m)¨)¨⊸/ns
}
•Show ≠{⟨𝕩+𝕩-𝕨⟩}_antinodes in
•Show ≠{𝕩⊸+¨(𝕩-𝕨)⊸ר↕≠in}_antinodes in