Prepare for other years

2020-12-30 18:01:52 +01:00
parent 522618d106
commit 4a90257257
81 changed files with 277 additions and 253 deletions
@@ -0,0 +1,23 @@
+package be.vandewalleh.aoc.days
+
+import be.vandewalleh.aoc.utils.input.Day
+import be.vandewalleh.aoc.utils.input.Input
+import be.vandewalleh.aoc.utils.input.Lines
+
+@Day(5)
+class Day05(@Lines val input: Input<List<String>>) {
+
+    private val ids = input.value.map {
+        it.replace("F", "0")
+            .replace("B", "1")
+            .replace("L", "0")
+            .replace("R", "1")
+            .toInt(2)
+    }.sorted()
+
+    fun part1() = ids.last()
+
+    fun part2() = ids.windowed(size = 2, step = 1)
+        .find { (a, b) -> b - a > 1 }!!
+        .first() + 1
+}