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cleanup #88

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Merged
nmcb merged 1 commit into from
Feb 24, 2026
Merged

cleanup #88

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16 changes: 7 additions & 9 deletions 2021/src/main/scala/aoc2021/Day06.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -5,19 +5,17 @@ import nmcb.predef.*

object Day06 extends AoC:

val ages: Map[Int,Long] =
input
.split(",")
.groupMapReduce(_.toInt)(_ => 1L)(_ + _)
val ages: Map[Int, Long] =
input.split(",").groupMapReduce(_.toInt)(_ => 1L)(_ + _)

val FirstSpawnAfter = 8
val SpawnAfter = 6
val FirstSpawnAfter = 8
val SpawnAfter = 6
val SpawnNow = -1

extension (generation: Map[Int,Long])
extension (generation: Map[Int, Long])

def next: Map[Int,Long] =
val aged = generation.map((timer,count) => (timer - 1) -> count)
def next: Map[Int, Long] =
val aged = generation.map((timer, count) => (timer - 1) -> count)
val spawned = aged.getOrElse(SpawnNow, 0L)
val next = aged.getOrElse(SpawnAfter, 0L) + spawned
aged.removed(SpawnNow) + (FirstSpawnAfter -> spawned) + (SpawnAfter -> next)
Expand Down