c/aoc-2024
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Minor cleanup

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Christian
2024-12-08 10:17:14 +01:00
parent 66575c4320
commit 1d14e2f2b5
1 changed files with 2 additions and 5 deletions
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7
aoc/src/dev/ctsk/aoc/days/Day06.scala
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@@ -4,10 +4,9 @@ import dev.ctsk.aoc._
import dev.ctsk.aoc.Direction._ import dev.ctsk.aoc.Direction._
import scala.annotation.tailrec import scala.annotation.tailrec
import scala.collection.mutable import scala.collection.mutable
import scala.collection.parallel.CollectionConverters._
object Day06 extends Solver(6): object Day06 extends Solver(6):
def analyse(grid: Grid[Char]): Array[Array[Array[Int]]] = private def analyse(grid: Grid[Char]): Array[Array[Array[Int]]] =
val skipMap = Array.fill(grid.height, grid.width, 4)(-1) val skipMap = Array.fill(grid.height, grid.width, 4)(-1)
for for
obstacle <- grid.find(_ == '#') obstacle <- grid.find(_ == '#')
@@ -43,9 +42,7 @@ object Day06 extends Solver(6):
val next = cur.step val next = cur.step
grid(next.pos) match grid(next.pos) match
case Some('#') => case Some('#') =>
if seen.contains(cur) then return true if seen.add(cur) then rec(cur.turnRight) else true
seen += cur
rec(cur.turnRight)
case Some(_) => case Some(_) =>
if next.pos == obstacle then return rec(cur.turnRight) if next.pos == obstacle then return rec(cur.turnRight)
if next.pos.x == obstacle.x || next.pos.y == obstacle.y if next.pos.x == obstacle.x || next.pos.y == obstacle.y