import java.util.Scanner;

public class Merlin {
	static boolean[][] board=new boolean[5][5];
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		initializeBoard();
		scrambleBoard();
		displayBoard();
		while(!gameOver())
		{
			System.out.println("\nEnter coordinate:");
			String guess = s.nextLine();
			int c = guess.charAt(0)-65;
			int r = guess.charAt(1)-49;
			pick(r, c);
			displayBoard();
		}
		System.out.println("The lights are all out.  You win!");
	}
//gameOver will return true if there are no lights left on (winning condition)
//otherwise it will return false
public static boolean gameOver()
	{
		
		return true;
	}

//sets all the spots on the board to false (winning state)
public static void initializeBoard()
{
	
}

// "pick" 10 random spots on the board
public static void scrambleBoard()
{
	for(int x =0; x <10; x++)
	{
		int r = (int)(Math.random()*5);
		int c = (int)(Math.random()*5);
		pick(r, c);
	}
}

//for a given spot on the board, board[r][c], "flip" it and all adjacent spots.
//make sure you don't try to flip a location that is not on the board.
//Ex:  Don't try to flip a spot above the top row.
public static void pick(int r, int c)
{

}

//simply changes the boolean value of board[r][c] to its opposite
public static void flip(int r, int c)
{
	
}

//shows the board state.  True means on and should display "O"
//false mean of and displays "-"
public static void displayBoard()
{
	
}
}