public class ShellAnimate
{
    public static void sort(double[] a) {
        int N = a.length;
        int[] incs = { 1391376, 463792, 198768, 86961, 33936, 13776,
                       4592, 1968, 861, 336, 112, 48, 21, 7, 3, 1 };
        for (int k = 0; k < incs.length; k++) {
            int h = incs[k];
            for (int i = h; i < N; i++) {
                for (int j = i; j >= h; j-= h) {
                    if (Animate.less(a, j, j-h)) Animate.exch(a, j, j-h);
                    else                    break;
                }
            } 
        }
    }

   public static void main(String args[]) 
   {
      int N = Integer.parseInt(args[0]);
      double[] a = new double[N];
      for (int i = 0; i < N; i++)
      {
         a[i] = Math.random();
      }
      Animate.initialize(a);
      sort(a);
   }
}