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feat(sterni/aoc/2021): day 6 solution

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Change-Id: Icd21b0f0c92b596fbb369d6f08715a6554259572
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4558
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
This commit is contained in:
sterni 2021-12-24 15:34:40 +01:00
parent 536f7c134a
commit 4fbb2a1658
1 changed files with 21 additions and 6 deletions
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27
users/sterni/exercises/aoc/2021/solutions.bqn
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@ -124,22 +124,37 @@ CO2ScrubberRating ← DebinList 0 >_lifeSupportRating ⊢
•Out "Day 3.2: "∾•Fmt (OxygenGeneratorRating×CO2ScrubberRating) day3Input
#
# 2021-12-06
#
day6ExampleInput ← ⟨3,4,3,1,2⟩
day6Input ← ReadDec¨ ',' SplitOn ⊑ReadInput 6
LanternfishPopulation ← {+´ (1⊸⌽+(⊑×((6⊸=)∘↕∘≠)))⍟𝕨 9↑≠¨⊔ 𝕩}
! 26 = 18 LanternfishPopulation day6ExampleInput
! 5934 = 80 LanternfishPopulation day6ExampleInput
•Out "Day 6.1: "∾•Fmt 80 LanternfishPopulation day6Input
•Out "Day 6.2: "∾•Fmt 256 LanternfishPopulation day6Input
#
# 2021-12-07
#
# part 1
day6ExampleInput ← ⟨16,1,2,0,4,2,7,1,2,14⟩
day6Input ← ReadDec¨ ',' SplitOn ⊑ReadInput 6
day7ExampleInput ← ⟨16,1,2,0,4,2,7,1,2,14⟩
day7Input ← ReadDec¨ ',' SplitOn ⊑ReadInput 7
PossiblePositions ← (⌊´+⟜(↕1⊸+)⌈´)
FuelConsumption ← +˝∘|∘(-⌜)
_lowestFuelPossible ← {⌊´∘(𝔽⟜PossiblePositions)˜ 𝕩}
! 37 = FuelConsumption _lowestFuelPossible day6ExampleInput
! 37 = FuelConsumption _lowestFuelPossible day7ExampleInput
•Out "Day 7.1: "∾•Fmt FuelConsumption _lowestFuelPossible day6Input
•Out "Day 7.1: "∾•Fmt FuelConsumption _lowestFuelPossible day7Input
# part 2
@ -147,9 +162,9 @@ TriNum ← 1⊸+×÷⟜2
FuelConsumption2 ← +˝∘(TriNum¨)∘|∘(-⌜)
! 168 = FuelConsumption2 _lowestFuelPossible day6ExampleInput
! 168 = FuelConsumption2 _lowestFuelPossible day7ExampleInput
•Out "Day 7.2: "∾•Fmt FuelConsumption2 _lowestFuelPossible day6Input
•Out "Day 7.2: "∾•Fmt FuelConsumption2 _lowestFuelPossible day7Input
#
# 2021-12-09