import java.util.Vector;

public class MyVectAnswers {
   private Vector<String> theStrings;


/* FROM HERE - FROM HERE - FROM HERE - FROM HERE - FROM HERE */

   private int totalNumberOfChars() {
      int i, num = 0;
      for (i=0; i<theStrings.size(); i++)
         num += theStrings.get(i).length();
      return num;
   }

   private void reverseVector() {
      if (theStrings.size() == 0)
         return;
      String str = theStrings.remove(0);
      reverseVector();
      theStrings.add(str);
   }

   private boolean contains(String str) {
      boolean[] b = new boolean[str.length()];
      for (int i=0; i<theStrings.size(); i++) {
         if (theStrings.get(i).contains(str))
            return true;
      }
      return false;
   }

   /* You can use the yourMainMethod method to do any testing you'd
      like to do (none is also allowed). It will be automatically
      called when you run the class without any command line
      parameters.
    */

   public static void yourMainMethod() {
   }

/* TO HERE - TO HERE - TO HERE - TO HERE - TO HERE - TO HERE */

   public MyVectAnswers() {
      theStrings = new Vector<String>();
   }

   public String toString() {
      String str="";
      for (int i=0 ; i<theStrings.size(); i++)
         str += theStrings.elementAt(i)+"  ";
      return str;
   }

   public static void main(String[] args) {

      if (args.length==0)
         yourMainMethod();
      else {
         int i, n = Integer.parseInt(args[0]);
         MyVectAnswers theVect = new MyVectAnswers();
         for (i=0; i<n; i++)
            theVect.theStrings.add("n"+Math.random());
         theVect.theStrings.add(args[1]);
         System.out.println(theVect);
         System.out.println(theVect.totalNumberOfChars());
         theVect.reverseVector();
         System.out.println(theVect);
         System.out.println(theVect.totalNumberOfChars());
         System.out.println(theVect.contains(args[2]));
      }
   }
}