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| author | sterni <sternenseemann@systemli.org> | 2021-12-07T18·05+0100 |
|---|---|---|
| committer | sterni <sternenseemann@systemli.org> | 2021-12-13T20·58+0100 |
| commit | 343b811bbc31aea07719a0676fa960b1204cd5e8 (patch) | |
| tree | 2487e4d09e9d13bbd4588b1385328f78f5325c13 | |
| parent | f78a7467f1135ddf2fec2c257f28887879742903 (diff) | |
feat(sterni/aoc/2021): day 7 solution r/3224
Change-Id: I8c8b535defb42f15eafc816ebe953e51b11ea702
| -rwxr-xr-x | users/sterni/exercises/aoc/2021/solutions.bqn | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/users/sterni/exercises/aoc/2021/solutions.bqn b/users/sterni/exercises/aoc/2021/solutions.bqn index 4a1f4668d11f..d965e6047fe6 100755 --- a/users/sterni/exercises/aoc/2021/solutions.bqn +++ b/users/sterni/exercises/aoc/2021/solutions.bqn @@ -11,6 +11,8 @@ ReadDec ← 10⊸ReadInt ReadInput ← {•file.Lines ∾ •path‿"/input/day"‿(•Fmt 𝕩)} +SplitOn ← ((⊢ (-1˙)⍟⊣¨ +`)∘=⊔⊢) + # # 2021-12-01 # @@ -119,3 +121,30 @@ CO2ScrubberRating ← DebinList 0 >_lifeSupportRating ⊢ ! 10 = CO2ScrubberRating day3ExampleData •Out "Day 3.2: "∾•Fmt (OxygenGeneratorRating×CO2ScrubberRating) day3Input + +# +# 2021-12-07 +# + +# part 1 + +day6ExampleData ← ⟨16,1,2,0,4,2,7,1,2,14⟩ +day6Input ← ReadDec¨ ',' SplitOn ⊑ReadInput 6 + +PossiblePositions ← (⌊´+⟜(↕1⊸+)⌈´) +FuelConsumption ← +˝∘|∘(-⌜) +_lowestFuelPossible ← {⌊´∘(𝔽⟜PossiblePositions)˜ 𝕩} + +! 37 = FuelConsumption _lowestFuelPossible day6ExampleData + +•Out "Day 7.1: "∾•Fmt FuelConsumption _lowestFuelPossible day6Input + +# part 2 + +TriNum ← 1⊸+×÷⟜2 + +FuelConsumption2 ← +˝∘(TriNum¨)∘|∘(-⌜) + +! 168 = FuelConsumption2 _lowestFuelPossible day6ExampleData + +•Out "Day 7.2: "∾•Fmt FuelConsumption2 _lowestFuelPossible day6Input |