Commit 326a6c8

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Clean up 2024 day 25

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Lines changed: 7 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -8,16 +8,21 @@ object Day25 {`
`8`	`8`	`def isKey(grid: Grid[Boolean]): Boolean =`
`9`	`9`	`grid.head.forall(identity)`
`10`	`10`
	`11`	`+ def fits(key: Grid[Boolean], lock: Grid[Boolean]): Boolean =`
	`12`	`+ key.correspondsGrid(lock)((k, l) => !(k && l))`
	`13`	`+`
`11`	`14`	`def countLockKeyFits(lockKeys: Seq[Grid[Boolean]]): Int = {`
`12`	`15`	`val (keys, locks) = lockKeys.partition(isKey)`
`13`	`16`	`(for {`
`14`	`17`	`key <- keys`
`15`	`18`	`lock <- locks`
`16`		`- if key.correspondsGrid(lock)((k, l) =>!(k && l))`
	`19`	`+ if fits(key, lock)`
`17`	`20`	`} yield ()).size`
`18`	`21`	`}`
`19`	`22`
`20`		`- def parseLockKeys(input: String): Seq[Grid[Boolean]] = input.split("\n\n").map(_.linesIterator.map(_.map(_ == '#').toVector).toVector).toSeq`
	`23`	`+ def parseLockKey(s: String): Grid[Boolean] = s.linesIterator.map(_.map(_ == '#').toVector).toVector`
	`24`	`+`
	`25`	`+ def parseLockKeys(input: String): Seq[Grid[Boolean]] = input.split("\n\n").map(parseLockKey).toSeq`
`21`	`26`
`22`	`27`	`lazy val input: String = scala.io.Source.fromInputStream(getClass.getResourceAsStream("day25.txt")).mkString.trim`
`23`	`28`

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