dec 25 2024

elwaxoro · Dec 25, 2024 · 5aff78a · 5aff78a
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diff --git a/advent/src/test/kotlin/org/elwaxoro/advent/y2024/Dec25.kt b/advent/src/test/kotlin/org/elwaxoro/advent/y2024/Dec25.kt
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+package org.elwaxoro.advent.y2024
+
+import org.elwaxoro.advent.Coord
+import org.elwaxoro.advent.PuzzleDayTester
+
+/**
+ * Day 25: Code Chronicle
+ */
+class Dec25 : PuzzleDayTester(25, 2024) {
+
+    override fun part1(): Any = loader().let { parts -> parts.sumOf { a -> parts.filter { b -> a.none { b.contains(it) } }.size } / 2 }
+
+    private fun loader() = load(delimiter = "\n\n").let { l -> l.map { a -> a.split("\n").flatMapIndexed { y, s -> s.mapIndexedNotNull { x, c -> Coord(x, y).takeIf { c == '#' } } } } }
+}