gWheels.scala

import scala.io.Source

object HelloScala {

  case class TestCase() {


    def gcd(a: Int, b: Int): Int = if (b == 0) a else gcd(b, a % b)

    val (g1, g2, g3) = (4, 4, 3) //기어 비의 갯수

    val gear = List(3713, 140, 1475, 9721)
    val extra = List(5665, 8611, 8762, 7400)
    val tires = List(5166, 3739, 853)

    val ac = gear.map(x => tires.map(a => (x, a))).flatten.toSet
    val bs = extra.combinations(2).toList.toSet

    val ss = ac.map(x => bs.map(a => (x, (a(0), a(1))))).flatten.toList.toSet.toList

    val r = List((31972643, 21181435),
      (30751629, 21365175),
      (1930185, 878195),
      (63612376, 38865596),
      (85175402, 4832245),
      (32533306, 44484426),
      (85175402, 32196529),
      (1205540, 27668600),
      (14248777, 5783074),
      (22392234, 57411354))


    val targetRatio = r.map { r =>
      val gcdfactor = gcd(r._1, r._2)
      ((r._1 / gcdfactor), (r._2 / gcdfactor))
    }
  }

  val in = Source.fromFile("B-small-practice.in").getLines

  def gears(line: String) = line.split(' ').toList.map(_.toInt)

  def main(param: Array[String]): Unit = {
    val tc = TestCase()
    val xs = tc.ss.map { case ((x: (Int, Int), y: (Int, Int))) => (x._1 / x._2) * (y._1 / y._2) }
  }

}