Day 7

aoc/src/Day7.scala

@@ -0,0 +1,24 @@
+import scala.io.Source
+
+object Day7 extends App:
+
+  val input = Source
+    .fromURL(getClass.getResource("day7Input.txt"))
+    .mkString
+
+  val crabPositions = input.split(',').map(_.toInt).toSeq.sorted
+
+  val fuelConsumptions =
+    for possiblePostion <- (crabPositions.head to crabPositions.last)
+    yield crabPositions.map(_ - possiblePostion).map(_.abs).sum
+
+  println(s"Part 1: ${fuelConsumptions.sorted.head}")
+
+  val fuelConsumptionsPart2 =
+    for possiblePostion <- (crabPositions.head to crabPositions.last)
+    yield crabPositions
+      .map(_ - possiblePostion)
+      .map(_.abs)
+      .map(distance => (1 to distance).sum)
+      .sum
+  println(s"Part 2: ${fuelConsumptionsPart2.sorted.head}")