ioerror.scala

import java.io.{PrintWriter, File}

/**
 * Created by seoh on 04/09/2015.
 */
object Main {

  def decode(str: String): String =
    str.grouped(8).map(_.reverse.zipWithIndex).map(v =>
      v.map({
        case ('I', i) => math.pow(2, i)
        case _ => 0
      }).sum.toChar
    ).mkString

  def main(args: Array[String]) {
    val lines = io.Source.fromFile("A-small-practice.in").getLines()
    val count = lines.next.toInt
    val result = lines.grouped(2).map(_(1)).zipWithIndex.map({
      case (str, i) => s"Case #${i+1}: ${decode(str)}"
    })



    val out = new PrintWriter(new File("A-small-practice.out" ))
    out.write(result.mkString("\n"))
    out.close
  }
}