Question

In: Computer Science

FileWrite a program that will allow two users to play a tic-tac-toe game. You should write...

FileWrite a program that will allow two users to play a tic-tac-toe game. You should write the program such that two people can play the game without any special instructions. (assume they know how to play the game). You should code the program to do the five items below only. You do not have to write the entire program, just the five items below.

• Use a 2D array(3 rows, 3 columns) of datatype char. Initialize the 2D

array with a “ “(space) before the game starts.

• Prompt first player(X) to enter their first move.

(Enter row and column where they want to place their move)

• Then draw the game board showing the move. (see sample to the right)

• Prompt the second player(O) to enter their first move.

• Then draw the game board showing both moves. (see sample to the right)

For the purposes of this assignment, everything can be done in main….The assignment requirements stop here!

If you would like to program the entire game, you will need to:

1) Use a 2D array(3 rows, 3 columns) of datatype char. Initialize the 2D array with a “ “(space) before the game starts.

2) Test each move to see if that space is still available (a data validation loop should check the content of the array at the row and column entered by the user to see if an ‘X’ or ‘O’ is stored there….ask the user to keep entering row and column values until they enter numbers that do not have an ‘X’ or ‘O’.)

3) After each move, check to see if someone has won the game yet, if so, the game should end.

4) After 9 moves, if there is not winner declare a draw.

You can use a user-defined function named scanMove. scanMove should do the following:

• Will NOT return a value to main using a return statement. Should have parameters that include the 2D array, the turn number (so you know whether the player is ‘X’ or ‘O’. Player 1 should place an ‘X’, Player 2 will place a ‘Y’)

• Read in the row and column numbers of the box that the player would like to place their ‘X’ or ‘O’.

• Test each move to see if it’s a valid move (has the element already been used for an X or O?)

• Once you have a valid move, place the correct letter in the requested box.

You can use a user-defined function named drawBoard. drawBoard should draw the tic-tac-toe game board with ‘X’ and ‘O’ showing in the correct places. The board should look something like this:

Expert Solution

C++ program for Tic-Tac-Toe Game -:

#include <iostream>

using namespace std;

void displayBoard(char b[][3], int size);
void grabInput(char player);
void updateBoard(char b[3][3], int /*size*/, char player, char currentMove);
void checkWin();
void checkDraw();
bool isPlaying = true; //Not necessary but I'll keep it for future changes
bool hasWon = false;
bool hasDrawn = false;

char player1 = 'X';
char player2 = 'O';
char activePlayer = player1;
char currentMove;

char b[3][3] =
   {
       {'1','2','3'},
       {'4','5','6'},
       {'7','8','9'}
   };

int main()
{
displayBoard(b,3);

   while (isPlaying && !hasWon && !hasDrawn)
   {
       grabInput(activePlayer);
       char tile = b[0][currentMove - '1'];

if (currentMove < '1' || currentMove > '9')
cout<<"No such square.\n";

       else
       {
           if (tile == 'X' || tile == 'O')
           {
               cout<<"Invalid Move\n";
           }
           else
           {
               updateBoard(b,3,activePlayer,currentMove);
               checkWin();
               checkDraw();
           }

}

       if (hasWon)
           return 0;
       else
           displayBoard(b,3);

       if (activePlayer == player1) activePlayer = player2;
       else activePlayer = player1;
   }

}

void displayBoard(char b[3][3], int size)
{

cout<<"::Tic Tac Toe::\n\n";

   for (int x = 0; x < size; x++)
   {
       for (int y = 0; y < size; y++)
       {
           cout<<b[x][y];
           cout<<" ";
       }
       cout<<endl;
   }
   cout<<endl;
}

void grabInput(char player)
{
cout<<"Enter your move "<<player<<": ";
cin>>currentMove;
}

void updateBoard(char b[3][3], int /*size*/, char player, char currentMove)
{
if (currentMove > '0' && currentMove <= '9')
b[0][currentMove - '1'] = player;
}

void checkWin()
{
   if (b[0][0] == 'X' && b[0][1] == 'X' && b[0][2] == 'X')
   {
           cout<<"\nPlayer 1 Wins!\n\n";
           hasWon = true;
   }
   if (b[1][0] == 'X' && b[1][1] == 'X' && b[1][2] == 'X')
   {
           cout<<"\nPlayer 1 Wins!\n\n";
           hasWon = true;
   }
   if (b[2][0] == 'X' && b[2][1] == 'X' && b[2][2] == 'X')
   {
           cout<<"\nPlayer 1 Wins!\n\n";
           hasWon = true;
   }

   if (b[0][0] == 'X' && b[1][0] == 'X' && b[2][0] == 'X')
   {
           cout<<"\nPlayer 1 Wins!\n\n";
           hasWon = true;
   }
   if (b[0][1] == 'X' && b[1][1] == 'X' && b[2][1] == 'X')
   {
           cout<<"\nPlayer 1 Wins!\n\n";
           hasWon = true;
   }
   if (b[0][2] == 'X' && b[1][2] == 'X' && b[2][2] == 'X')
   {
           cout<<"\nPlayer 1 Wins!\n\n";
           hasWon = true;
   }

   if (b[0][0] == 'X' && b[1][1] == 'X' && b[2][2] == 'X')
   {
           cout<<"\nPlayer 1 Wins!\n\n";
           hasWon = true;
   }
   if (b[0][2] == 'X' && b[1][1] == 'X' && b[2][0] == 'X')
   {
           cout<<"\nPlayer 1 Wins!\n\n";
           hasWon = true;
   }

   if (b[0][0] == 'O' && b[0][1] == 'O' && b[0][2] == 'O')
   {
       cout<<"\nPlayer 2 Wins!\n\n";
       hasWon = true;
   }
   if (b[1][0] == 'O' && b[1][1] == 'O' && b[1][2] == 'O')
   {
       cout<<"\nPlayer 2 Wins!\n\n";
       hasWon = true;
   }
   if (b[2][0] == 'O' && b[2][1] == 'O' && b[2][2] == 'O')
   {
       cout<<"\nPlayer 2 Wins!\n\n";
       hasWon = true;
   }

   if (b[0][0] == 'O' && b[1][0] == 'O' && b[2][0] == 'O')
   {
       cout<<"\nPlayer 2 Wins!\n\n";
       hasWon = true;
   }
   if (b[0][1] == 'O' && b[1][1] == 'O' && b[2][1] == 'O')
   {
       cout<<"\nPlayer 2 Wins!\n\n";
       hasWon = true;
   }
   if (b[0][2] == 'O' && b[1][2] == 'O' && b[2][2] == 'O')
   {
       cout<<"\nPlayer 2 Wins!\n\n";
       hasWon = true;
   }

   if (b[0][0] == 'O' && b[1][1] == 'O' && b[2][2] == 'O')
   {
       cout<<"\nPlayer 2 Wins!\n\n";
       hasWon = true;
   }
   if (b[0][2] == 'O' && b[1][1] == 'O' && b[2][0] == 'O')
   {
       cout<<"\nPlayer 2 Wins!\n\n";
       hasWon = true;
   }

}

void checkDraw()
{
   if (b[0][0] != '1' && b[0][1] != '2' && b[0][2] != '3' && b[1][0] != '4' && b[1][1] != '5' && b[1][2] != '6' &&
       b[2][0] != '7' && b[2][1] != '8' && b[2][2] != '9' && !hasWon)
   hasDrawn = true;
   if (hasDrawn)
   {
       cout<<"\nThe game is a draw!\n\n";

}
}

OUTPUT -:

venereology answered 2 months ago

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