Advent of Code 2023

day 1 part 1.sc

import scala.collection.mutable.ListBuffer
import scala.io.StdIn.*

val alphabet = "abcdefghijklmnopqrstuvwxyz"

println("==↓input↓==\n")

// read input until it's blank
val lines = new ListBuffer[String]

var line = readLine()
while (line.nonEmpty) {
  lines += line
  line = readLine()
}

var sum = 0

for line <- lines do
  var all = line.split("").filterNot(alphabet.contains)
  var num: Int = List(all.head.toInt, all.last.toInt).mkString("").toInt
  sum += num

println(s"SUM: $sum")

day 2 part 1.sc

enum Cube(val maxQty: Int):
  case Red extends Cube(12)
  case Green extends Cube(13)
  case Blue extends Cube(14)

var input = """Game 1: 12 red, 2 green, 5 blue; 9 red, 6 green, 4 blue; 10 red, 2 green, 5 blue; 8 blue, 9 red
Game 2: 3 green, 7 red; 3 blue, 5 red; 2 green, 1 blue, 6 red; 3 green, 2 red, 3 blue
Game 3: 12 red, 18 blue, 3 green; 14 red, 4 blue, 2 green; 4 green, 15 red
Game 4: 14 blue, 8 red, 10 green; 7 green, 9 blue, 4 red; 4 green, 5 red
Game 5: 2 red, 1 blue, 4 green; 1 blue, 1 red, 5 green; 6 green, 3 red; 10 blue, 4 green, 1 red
Game 6: 5 red, 5 blue, 1 green; 5 blue, 15 red, 2 green; 3 green, 1 red, 9 blue
Game 7: 9 red, 8 blue, 13 green; 9 red, 7 blue, 10 green; 7 blue, 2 red, 11 green; 4 red, 6 blue, 10 green; 3 blue, 12 green, 1 red
Game 8: 20 red, 5 green, 10 blue; 14 red, 8 blue, 5 green; 5 green, 4 blue, 9 red; 18 red, 1 green; 2 blue, 1 green, 5 red
Game 9: 3 blue; 3 blue, 4 green, 1 red; 8 green, 2 blue, 4 red; 5 green, 4 red
Game 10: 18 red, 11 green, 3 blue; 2 blue, 19 red, 7 green; 4 green, 1 blue, 6 red; 4 green, 2 red, 4 blue; 10 green, 5 red, 2 blue; 13 red, 12 green, 4 blue
Game 11: 5 green, 5 blue, 3 red; 2 red, 8 blue, 4 green; 4 blue, 4 green, 2 red; 1 blue, 3 red, 2 green; 4 blue, 4 green; 6 blue, 2 red
Game 12: 6 blue, 1 green, 4 red; 12 blue, 4 red; 12 blue, 2 red, 6 green
Game 13: 11 red, 17 blue, 7 green; 20 red, 12 green, 9 blue; 15 red, 15 green, 14 blue; 7 red, 6 green, 3 blue
Game 14: 8 red, 17 green, 6 blue; 5 red, 13 blue, 7 green; 2 red, 15 green, 4 blue; 9 blue, 2 green; 7 green, 2 blue, 8 red; 10 green, 14 blue, 10 red
Game 15: 14 red, 4 green, 4 blue; 14 red, 2 green, 16 blue; 10 blue, 2 green, 6 red
Game 16: 2 red, 3 green; 5 green; 1 red, 1 blue; 2 red, 3 green, 1 blue; 5 red, 4 green; 5 red, 4 green
Game 17: 4 blue, 3 green, 9 red; 3 blue, 8 red, 1 green; 1 blue, 5 green; 8 green, 2 red; 10 red, 1 green
Game 18: 10 blue, 5 red; 1 green, 9 red, 9 blue; 5 blue, 3 red; 3 red, 1 blue; 2 blue, 9 red, 1 green; 6 red, 7 blue, 1 green
Game 19: 9 green, 2 red, 12 blue; 3 green, 9 red, 16 blue; 2 green, 17 blue; 11 green, 3 blue, 7 red; 2 red, 10 blue, 11 green
Game 20: 17 blue, 16 green; 13 green, 12 blue, 13 red; 6 red, 9 green, 6 blue
Game 21: 1 green, 3 red, 1 blue; 1 blue, 2 green, 2 red; 2 green, 1 blue, 3 red
Game 22: 7 green, 3 blue, 5 red; 2 green, 14 red, 3 blue; 2 green, 17 red; 2 blue, 15 red, 6 green; 4 green, 1 blue, 17 red
Game 23: 4 blue, 2 red; 2 red, 7 blue, 1 green; 6 red, 5 blue, 5 green; 9 red, 4 blue; 10 blue, 8 red, 11 green
Game 24: 1 red, 9 green, 5 blue; 14 green, 4 blue, 2 red; 5 blue, 1 red, 11 green; 3 blue, 2 red, 4 green
Game 25: 3 green, 2 red, 1 blue; 2 blue, 10 green, 1 red; 8 red, 4 green, 1 blue; 3 blue, 15 red, 6 green; 2 blue, 13 red, 8 green; 2 red, 5 blue, 5 green
Game 26: 5 green, 5 red; 12 green; 5 green, 3 blue, 4 red; 1 blue, 1 red, 17 green; 2 blue, 18 green
Game 27: 1 blue, 7 green, 3 red; 3 red, 1 green, 13 blue; 4 green, 8 blue; 1 red, 3 green, 4 blue; 9 blue, 2 red
Game 28: 9 red, 2 green, 5 blue; 5 red, 9 green; 5 blue, 1 red
Game 29: 4 green, 10 blue, 13 red; 2 red, 5 green, 5 blue; 2 red, 9 green, 11 blue; 9 blue, 9 red, 13 green; 13 blue, 2 green, 14 red; 3 green, 8 blue, 5 red
Game 30: 3 green, 7 red, 3 blue; 5 green, 5 blue, 12 red; 14 red, 6 green, 11 blue; 7 blue, 9 green, 11 red; 10 red, 1 blue, 4 green
Game 31: 6 green, 5 blue, 17 red; 16 blue, 17 green, 14 red; 13 green, 13 blue, 3 red; 18 red, 8 green, 14 blue; 18 green, 1 blue; 16 red, 6 blue
Game 32: 12 green, 2 blue; 6 blue, 5 red, 10 green; 13 green, 2 blue; 2 red, 6 blue, 6 green; 9 green, 8 red
Game 33: 4 blue, 6 red, 2 green; 7 red, 5 blue; 3 blue, 1 red, 1 green
Game 34: 2 red, 7 blue, 1 green; 2 blue, 1 green, 6 red; 6 red, 3 green, 7 blue; 4 green, 13 red, 1 blue; 15 blue, 1 green, 5 red
Game 35: 8 blue, 12 red, 7 green; 2 blue, 14 red, 3 green; 14 green, 8 blue, 7 red; 15 red, 12 blue, 12 green; 11 blue, 14 red, 1 green
Game 36: 11 red, 8 green, 2 blue; 17 red, 2 blue; 3 blue, 8 green, 19 red; 6 red, 3 blue, 3 green; 8 red, 5 green
Game 37: 2 blue, 3 red, 12 green; 3 red, 7 green, 4 blue; 7 blue, 3 red, 8 green; 13 green, 3 red, 2 blue; 2 green
Game 38: 2 blue, 14 red, 17 green; 1 blue, 13 green, 6 red; 14 green, 2 blue, 2 red; 4 blue, 1 green, 6 red; 2 red, 12 green, 2 blue; 4 red, 2 blue, 1 green
Game 39: 2 green, 3 red, 12 blue; 1 green, 14 blue, 16 red; 13 red, 9 blue, 1 green; 15 red, 1 green, 18 blue
Game 40: 17 green; 12 green, 6 blue; 1 red, 3 blue, 6 green; 1 red, 5 blue, 8 green
Game 41: 2 green, 8 red; 2 blue, 7 green, 14 red; 13 red, 2 green, 1 blue
Game 42: 1 red, 7 blue, 7 green; 2 green, 4 blue, 1 red; 15 green, 8 blue, 1 red; 1 red, 1 blue, 12 green; 6 blue, 10 green; 6 blue, 1 red, 15 green
Game 43: 8 blue, 1 green, 1 red; 3 green, 1 red; 2 red, 6 blue, 9 green; 2 blue, 3 green
Game 44: 8 green; 1 blue, 12 green, 16 red; 9 red, 9 green, 2 blue; 3 blue, 11 green, 4 red; 16 red, 8 blue, 11 green
Game 45: 4 blue, 3 red, 13 green; 2 red, 2 blue, 13 green; 11 green, 7 blue, 2 red; 9 green, 6 blue; 12 green
Game 46: 14 green; 9 blue, 11 green, 10 red; 19 green, 8 red, 14 blue; 12 red, 10 blue
Game 47: 1 green, 14 red; 2 blue, 11 green, 4 red; 6 red, 8 blue, 2 green
Game 48: 8 blue, 13 red; 5 red, 2 green, 10 blue; 9 red, 12 blue, 1 green
Game 49: 2 blue, 8 green; 1 red, 8 green, 4 blue; 6 red, 1 blue; 3 green, 2 red, 4 blue; 6 blue, 1 red, 9 green
Game 50: 7 red, 14 green, 4 blue; 9 red, 10 green, 2 blue; 3 red, 9 blue, 14 green; 2 green, 12 red, 5 blue; 10 blue, 6 green; 8 red, 1 blue, 7 green
Game 51: 4 red, 18 green, 1 blue; 15 green; 3 blue, 16 red, 17 green; 9 blue, 10 red, 13 green; 11 green, 14 red; 1 green, 7 blue, 1 red
Game 52: 7 red, 4 blue, 5 green; 1 green, 10 blue, 1 red; 4 blue, 5 red, 7 green
Game 53: 3 red, 1 blue; 1 green, 3 red, 2 blue; 2 red, 1 blue, 8 green
Game 54: 1 green, 11 red; 1 blue, 3 green, 1 red; 1 blue, 1 red
Game 55: 1 blue, 2 green; 5 blue, 3 red; 3 green, 8 red, 3 blue; 4 red, 4 blue, 3 green; 2 green, 4 red; 4 red, 2 blue
Game 56: 17 blue, 12 green; 1 red, 7 green, 16 blue; 3 blue, 4 green, 3 red; 7 blue, 12 red, 15 green; 4 red, 8 green
Game 57: 2 red, 3 blue; 1 red, 8 blue; 9 red, 11 green, 8 blue; 1 blue, 13 green, 6 red; 7 red, 8 green, 2 blue
Game 58: 13 blue, 8 red, 4 green; 2 green, 7 red; 6 green, 1 blue; 5 red, 8 blue, 5 green; 5 blue, 1 green, 3 red
Game 59: 8 red, 10 blue, 3 green; 9 red, 19 blue; 11 red, 2 green, 20 blue; 1 red, 8 blue, 3 green; 11 blue, 1 red, 2 green; 8 red, 3 green, 19 blue
Game 60: 1 green, 2 blue, 5 red; 6 red, 2 green, 2 blue; 12 green, 2 blue; 5 red, 5 green, 1 blue
Game 61: 4 red, 9 green, 1 blue; 15 green, 1 blue, 8 red; 2 blue, 20 green; 13 green, 1 blue, 3 red; 7 green, 7 red
Game 62: 7 red, 5 blue; 6 green, 6 blue, 7 red; 5 red, 4 blue, 2 green; 3 red, 3 green; 9 blue, 1 green, 1 red
Game 63: 6 blue; 1 blue, 4 red; 11 blue, 2 green, 3 red; 5 blue, 2 green, 7 red; 3 red, 11 blue
Game 64: 3 green, 3 blue, 5 red; 2 red, 6 blue, 3 green; 2 red, 6 blue; 3 green, 7 blue
Game 65: 6 red, 7 blue, 11 green; 15 green, 9 blue, 3 red; 8 green, 10 red, 1 blue; 16 blue, 6 red, 2 green; 3 green, 10 red, 14 blue; 10 red, 2 blue, 13 green
Game 66: 5 blue, 9 green; 2 green, 2 red, 7 blue; 4 red, 12 green, 1 blue; 2 red, 13 green, 7 blue; 3 red, 4 green, 2 blue
Game 67: 8 green, 5 red; 3 blue, 4 red, 10 green; 5 red, 12 blue, 11 green; 11 green, 4 blue; 5 blue, 4 green, 2 red; 1 red, 4 blue, 10 green
Game 68: 4 blue, 13 red, 1 green; 2 blue, 6 red, 1 green; 5 green, 13 red, 2 blue; 3 blue, 3 green, 5 red
Game 69: 6 red, 14 blue; 16 red, 17 blue; 4 red, 2 green; 14 red, 6 blue, 1 green; 16 red, 15 blue
Game 70: 5 blue, 6 red, 6 green; 6 green, 1 blue, 6 red; 3 blue, 12 red, 4 green
Game 71: 1 green, 13 blue, 1 red; 2 green, 2 red; 1 green, 1 red, 6 blue
Game 72: 5 green, 10 red; 13 blue, 7 red, 8 green; 12 red, 3 green, 2 blue
Game 73: 10 green, 5 red; 11 red, 13 blue, 11 green; 14 green, 5 blue, 1 red; 9 green, 13 red, 10 blue; 8 red, 11 green, 8 blue
Game 74: 10 blue, 1 green, 6 red; 7 blue, 8 green, 4 red; 1 red, 8 blue, 7 green; 7 green, 1 red, 10 blue; 6 red, 9 green, 4 blue
Game 75: 1 blue, 3 green; 15 blue, 2 green, 11 red; 9 red, 18 blue; 10 red, 17 blue, 2 green
Game 76: 3 green, 6 red, 4 blue; 7 green, 3 red; 5 blue, 15 red; 5 green, 2 blue, 20 red
Game 77: 5 blue, 3 green, 7 red; 6 blue, 3 green, 1 red; 13 red, 5 blue, 1 green; 2 red, 2 blue, 3 green; 4 green, 7 blue
Game 78: 6 red, 4 blue; 2 blue, 2 red; 8 blue, 1 green, 8 red; 4 red, 1 green, 10 blue; 2 green, 5 red, 13 blue; 7 red, 2 green, 5 blue
Game 79: 3 green, 11 red; 16 green, 9 red, 17 blue; 3 red; 17 green, 18 blue, 5 red; 3 green, 3 red; 6 red, 18 blue, 12 green
Game 80: 2 red, 5 blue, 1 green; 7 red; 2 red, 3 blue; 8 red, 5 blue; 8 red, 4 blue, 1 green
Game 81: 12 green, 6 blue; 9 blue, 5 green, 1 red; 1 red, 7 green, 1 blue; 7 green, 1 blue; 1 green, 4 blue, 1 red
Game 82: 12 green, 3 blue; 1 blue, 8 green; 15 green, 3 blue, 1 red
Game 83: 5 red, 8 green; 10 green, 3 red, 11 blue; 12 green, 6 blue, 3 red; 2 green, 13 red, 9 blue; 12 green, 5 blue
Game 84: 1 green, 8 red, 2 blue; 2 blue, 9 red; 1 blue, 6 red; 3 red, 1 green
Game 85: 2 blue, 7 red; 5 blue, 5 red, 6 green; 2 blue, 3 green, 7 red; 2 green, 1 blue, 5 red; 3 green, 2 blue; 5 red, 6 green, 1 blue
Game 86: 13 red, 9 green, 4 blue; 15 blue, 11 green; 12 red, 19 blue, 14 green
Game 87: 13 green, 5 red, 7 blue; 5 red, 17 green, 5 blue; 16 green, 4 blue, 5 red; 15 green, 6 blue, 5 red; 2 red, 7 green, 3 blue; 3 green, 2 blue
Game 88: 9 green, 1 red, 5 blue; 8 red, 7 green, 14 blue; 8 red, 9 blue, 10 green; 4 red, 10 blue; 10 red, 4 green, 19 blue; 9 red, 1 green
Game 89: 4 blue, 7 green, 1 red; 6 blue, 3 green; 7 blue, 1 red, 6 green; 4 blue, 4 green; 1 red, 11 green; 1 red, 1 green, 3 blue
Game 90: 4 red, 12 green, 4 blue; 1 red, 9 green; 5 green, 10 blue, 6 red; 6 red, 5 blue, 2 green
Game 91: 16 blue, 11 red; 2 green, 3 red, 12 blue; 1 green, 17 blue, 1 red
Game 92: 2 green, 2 blue, 1 red; 7 blue, 2 green; 8 blue, 1 red, 9 green; 11 blue, 5 green, 1 red
Game 93: 5 blue, 1 red, 5 green; 2 red; 5 red, 9 green, 13 blue
Game 94: 2 red, 3 blue; 2 blue, 8 red, 5 green; 1 red, 15 blue; 2 red, 8 blue, 5 green; 16 blue, 11 red; 6 green, 6 blue, 6 red
Game 95: 4 green, 5 red, 10 blue; 8 green, 1 red, 13 blue; 6 green, 9 blue, 7 red; 2 red, 2 blue, 2 green; 5 red, 9 green, 9 blue; 2 blue, 10 green, 3 red
Game 96: 2 green; 7 blue, 10 red, 4 green; 9 red, 2 blue, 9 green
Game 97: 5 blue, 6 red, 14 green; 6 green, 14 blue, 2 red; 2 blue, 4 green
Game 98: 8 green, 1 blue, 9 red; 1 blue, 10 green; 11 green, 1 blue, 3 red; 1 blue, 11 green, 10 red; 14 green, 7 red; 4 red, 10 green
Game 99: 1 red, 6 green, 3 blue; 7 blue, 1 red, 2 green; 1 red, 4 green; 6 green, 11 blue, 1 red; 4 blue, 2 green; 2 blue, 1 red, 6 green
Game 100: 5 green, 1 red; 1 red, 6 green; 6 blue, 1 red, 6 green; 6 blue, 1 green, 2 red; 8 blue, 1 red, 4 green; 8 green, 5 blue"""
  .split("\n")
  .map(_.trim)

var possibleSum: Int = 0

for (line <- input) {
  var (cubes, n) =
    line match {
      case s"Game $n: $rest" =>
        (
          rest.split(";").map(_.trim).map(_.split(", ").map(c => c.split(" "))),
          n
        )
    }

  var redInGame = 0
  var greenInGame = 0
  var blueInGame = 0

  cubes.foreach(round => {
    round.foreach(cubes => {
      cubes match {
        case Array(qty, color) =>
          color match {
            case "red"   => redInGame += qty.toInt
            case "green" => greenInGame += qty.toInt
            case "blue"  => blueInGame += qty.toInt
          }
      }
    })
  })

  println(s"Red: $redInGame")
  println(s"Green: $greenInGame")
  println(s"Blue: $blueInGame")

  if redInGame <= Cube.Red.maxQty && greenInGame <= Cube.Green.maxQty && blueInGame <= Cube.Blue.maxQty
  then
    println(s"Game $n possible")
    possibleSum += n.toInt
  else println(s"Game $n impossible")
}

println("====")
println(possibleSum)