[Ch4] Puzzle 4 solution

public class Puzzle4 {

  public static void main(String[] args) {

    ___________________________________

    Puzzle4b[] obs = new Puzzle4b[6];

    int y = 1;

    int x = 0;

    int result = 0;

    while (x < 6) {

      ___________________________

      ___________________________

      obs[x] = new Puzzle4b();

      obs[x].ivar = y;

      y = y * 10;

      _________________

      x = x + 1;

    }

    x = 6;

    while (x > 0) {

      _________________

      result = result + ___________________

      x = x - 1;

      result = result + obs[x].doStuff(x);

    }

    System.out.println("result " + result);

  }

}

class ___________ {

class Puzzle4b {

  int ivar;

  ________  ______ doStuff(int _________) {

  public int doStuff(int factor) {

    if (ivar > 100) {

      return _________________________

      return ivar * factor;

    } else {

      return _________________________

      return ivar * (5 - factor);

    }

  }

}