//An instance of this class represents a 2D grid of Squares
// that are initially either OPEN or BLOCKED to from a Maze
//The status of an OPEN Square may become SELECTED when the
// the Square is selected for an escape path from the Maze
//
import java.util.Scanner;
public class Grid
{
   //Instance Variables
	private final int maxRow;  //Highest index of any row
	private final int maxCol;  //Highest index of any colums
	
	private Square[][] grid; //The 2D grid of Squares
	
   //Constructor
   //Parameter source is initialized to scan the input file
	public Grid(Scanner source)
	{
      this.maxRow = 0;
      this.maxCol = 0;
   }
   		
	public String toString()
	{
		return "";
	}
   
   //An enum type to represent the state of a square in a Grid
   public enum Square
   {
	   OPEN(' '), BLOCKED('#'), SELECTED('+'), REJECTED('X');
	
	   private char symbol;
	
	   private Square(char symbol)
	   {
		   this.symbol = symbol;
	   }
	
	   public char getSymbol()
	   {
		   return this.symbol;
	   }
   }
}