day2.scala

day2.scala

@main def main(): Unit = {
  val path = os.Path("/tmp/1.txt")
  val lineStream: geny.Generator[String] = os.read.lines.stream(path)
  println("Num zeroes: " + turn_dial_part2(lineStream))
}

def turn_dial_part2(gen: geny.Generator[String]): Int = {
  var dialPos = 50
  gen
    .map(input => {
      val direction = if input.head == 'L' then -1 else 1
      (0 until input.tail.toInt)
        .map(i => {
          // println("Dial is moving by " + i)
          dialPos = (dialPos + direction) % 100
          // println("Dial pos is now " + dialPos)
          if dialPos == 0 then 1 else 0
        })
        .sum
    })
    .sum
}

Should be day 1 part 2 not day 2