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feat(sterni/aoc/2021): day 4 solution

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Change-Id: Ib8b4206b40acad32e10ebd9103e54074ba3452fc
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4681
Reviewed-by: sterni <sternenseemann@systemli.org>
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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sterni 2021-12-26 20:47:01 +01:00 committed by clbot
parent 675f97e535
commit d052bc5953
1 changed files with 20 additions and 0 deletions
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users/sterni/exercises/aoc/2021/solutions.bqn
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@ -124,6 +124,26 @@ CO2ScrubberRating ← DebinList 0 >_lifeSupportRating ⊢
•Out "Day 3.2: "∾•Fmt (OxygenGeneratorRating×CO2ScrubberRating) day3Input
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# 2021-12-04
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day4Numbers ← ReadDec¨ ',' SplitOn ⊑ReadInput 4
day4Boards ← ReadDec¨>˘(' '⊸SplitOn¨)> (<⟨⟩) SplitOn 2↓ReadInput 4
BoardWins ← {C ← ∨´∘(∧´˘) ⋄ (C∨C∘⍉)𝕩}
_CallNumber ← {(𝕗∊⥊𝕩) (∨⍟(¬∘BoardWins∘⊢))˘ 𝕨}
BoardWinScores ← {
𝕩 (0⊸</×) (⊢-») (+´)∘(BoardWins˘/(+´⥊)˘∘(𝕨⊸×⟜¬))¨ (<0⥊˜≢𝕨) (𝕨 _CallNumber)`𝕩
}
day4WinScores ← day4Boards BoardWinScores day4Numbers
•Out "Day 4.1: "∾•Fmt ⊑day4WinScores
•Out "Day 4.2: "∾•Fmt ⊑⌽day4WinScores
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# 2021-12-06
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