day 25 code (#812)

Author: merlinorg

2024/src/day25.scala

@@ -0,0 +1,21 @@
+package day25
+
+import locations.Directory.currentDir
+import inputs.Input.loadFileSync
+
+@main def part1: Unit =
+  println(s"The solution is ${part1(loadInput())}")
+
+def loadInput(): String = loadFileSync(s"$currentDir/../input/day25")
+
+def part1(input: String): Int =
+  val (locks, keys) = input.split("\n\n").partition(_.startsWith("#"))
+
+  val matches = for
+    lock <- locks
+    key  <- keys
+    if lock.zip(key).forall: (lockChar, keyChar) =>
+      lockChar != '#' || keyChar != '#'
+  yield lock -> key
+
+  matches.length