public class QuickSortDesc implements Problem, Solution {

  private int[] arr;

  private int first, last;

  public QuickSortDesc(int[]arr, int first, int last) {
    this.arr = arr;
    this.first = first;
    this.last = last;
  }

  public int getFirst () {
    return first;
  }

  public int getLast () {
    return last;
  }

  public int[] getArr () {
    return arr;
  }	

}