eugene70

package aoc2021

import scala.annotation.tailrec

object Day05:
  case class Point(x: Int, y: Int)
  case class Line(start: Point, end: Point):
    private def iter(start: Int, end: Int, count: Int): Seq[Int] =
      if (start == end) Seq.fill(count)(start)
      else Range.inclusive(start, end, if (start < end) 1 else -1)

eugene70

package aoc2021

import scala.annotation.tailrec
import scala.collection.immutable.BitSet

object Day03:
  type InputType = Seq[String]

  @main def runDay03: Unit =
    val testData = time("testReady", () => ready(testInput))

eugene70

package aoc2021

import scala.annotation.tailrec

object Day02:
  case class Move(direction: String, step: Int)
  type InputType = IndexedSeq[Move]

  @main def runDay02: Unit =
    val testData = time("testReady", () => ready(testInput))

eugene70

package aoc2021

import scala.annotation.tailrec

object Day01:
  type InputType = List[Int]

  @main def runDay01: Unit =
    val testData = time("testReady", () => ready(testInput))
    time("testPart1", () => part1(testData)) // should be 7

eugene70

package aoc2020

import scala.annotation.tailrec

object Day25:
  type InputType = List[Long]

  @main def runDay25: Unit =
    val testData = time("testReady", () => ready(testInput))
    time("testPart1", () => part1(testData)) // should be 14897079

eugene70

package aoc2020

object Day24:
  type InputType = Tiles
  type Tiles = Set[Tile]

  case class Tile(x: Int, y: Int):
    def neighbors(): Seq[Tile] =
      Seq(
        Tile(this.x - 1, this.y - 1),

eugene70

package aoc2020

import scala.annotation.tailrec

object Day23:
  type InputType = Seq[Long]
  type Label = Long

  class Cup(val label: Label):
    var next = this

eugene70

package aoc2020

import scala.annotation.tailrec

object Day23:
  type InputType = String

  @main def runDay23: Unit =
    val testData = time("testReady", () => ready(testInput))
    time("testPart1", () => part1(testData)) // should be 67384529

eugene70

package aoc2020

import scala.annotation.tailrec

object Day22:
  type InputType = (CardDeck, CardDeck)
  type CardDeck = Seq[Int]

  @main def runDay22: Unit =
    val testData = time("testReady", () => ready(testInput))

eugene70

package aoc2020

object Day21:

  case class Food(ingredients: Seq[String], allergents: Seq[String])
  object Food:
    def of(line: String): Food =
      line match
        case s"${ins} (contains ${als})" => Food.of(ins, als)
    def of(ins: String, als: String): Food =