/* UVA Problem  <nnnnn> (Problem Name)
 * Author:      <Your-Name>
 * Dates:       <start-date>;  <submit-date>;
 * Status:      (accepted/not accepted)
 * Course:      CS3233, Fall 2005
 * Instructor:  Leong Hon Wai
 * Method Used: (short name of method used)
 * Description of Method:  
 *    (a short description of the method and data structures used)
 *    (Make sure you include short comment on major ds used)
 */