PowerLevels.scala

import java.io.{File, PrintWriter}

object PowerLevels extends App {
  def log9000(bang: Int): Int = {
    (for (k <- 0 to (9000 / bang)) yield {
      Math.log10(9000 - bang * k)
    }).sum.ceil.toInt
  }

  val numBang = List(0) ++ (1 to 8999).map(log9000(_))

  def answer(d: Int): String = {
    if (d < 4) "..."
    else {
      val bang = (numBang.zipWithIndex.filter { x: (Int, Int) =>
        x._1 >= d
      }).size + 1
      "IT'S OVER 9000" + ("!" * bang)
    }
  }

  // main
  val lines = io.Source.fromFile("C-small-practice.in").getLines()
  val out = new PrintWriter(new File("C-small-practice.out" ))

  for (i <- 1 to lines.next.toInt) {
    out.println(s"Case #${i}: ${answer(lines.next.toInt)}")
  }
  out.close
}