Lesson 11 activity 5

#include <iostream>
#include <conio.h>
using namespace std;

// constant varible for 3 x 3 size of the tic tact toe board
const int SIZE = 3;

//*********************
// Function for printing the board
// Arguments have the array and the array size of the board and the size = 3 x 3
//*********************
void printBoard(char arr[][SIZE])
{
    // nested for loop for the printing of the board
    for (int i = 0; i < SIZE; i++){
        for (int j = 0; j < SIZE; j++)
        {
            cout << arr[i][j] << '*';
        }
        cout << endl;
    }
}

//***************************************************
// Finding the winner function
// using a boolean data type in this function to find the winner
// arguments have the
//***************************************************
bool isWin(char arr[][SIZE], char ch)
{
    int count;
    // nested for loop for [i] and [j] winner X
    for (int i = 0; i < SIZE; i++)
    {
        count = 0;
        for (int j = 0; j < SIZE; j++)
        {
            if (arr[i][j] == ch)
                count++;
        }
        if (count == SIZE)
            return true;
    }

    // nested for loop for [j] and [i] winner O
    for (int i = 0; i < SIZE; i++)
    {
        count = 0;
        for (int j = 0; j < SIZE; j++)
        {
            if (arr[j][i] == ch)
                count++;
        }
        if (count == SIZE)
            return true;
    }

    // nested for loop for determining if the user input is already taken
    count = 0;
    for (int i = 0; i < SIZE; i++)
    {
        if (arr[i][i] == ch)
            count++;
    }

    if (count == SIZE)
        return true;
    count = 0;

    // j-- is an important part to determine if the users input is already taken
    for (int i = 0, j = SIZE - 1; i < SIZE; i++, j--)
    {
        if (arr[i][j] == ch)
            count++;
    }
    // return statement if the user inputs an already taken spot
    if (count == SIZE)
        return true;
    return false;
}

//**************************
// Determining if the game is a tie function with bool
// arguments char array and the array size
//**************************
bool gameDraw(char arr[][SIZE])
{
    for (int i = 0; i < SIZE; i++)
    {
        for (int j = 0; j < SIZE; j++)
        {
            if (arr[i][j] == '-')
                return false; // returning if its a tie
        }
    }
        return true;
}

//*****************
// Main function
// creats the board
// figuring out whos turn it is
// Finding the winner or if its a tie
//****************
int main()
{
    cout << "Tic Tac Toe Game" << endl;
    char board[SIZE][SIZE];
    for (int i = 0; i < SIZE; i++){
        for (int j = 0; j < SIZE; j++){
            board[i][j] = '-';
        }
    }

    // varibles for finding if the game has ended
    bool gameEnd = false;
    int row, col, playerTurn = 1;
    char player;

    // Boolean nested while if loop for ask user for choices
    // also saves these choices
    while (!gameEnd)
    {
        //if statements for determining whos turn it is
        printBoard(board);
        if (playerTurn == 1)
        {
            player = 'X';
            playerTurn = 2;
        }
        else if (playerTurn == 2)
        {
            player = 'O';
            playerTurn = 1;
        }
        do
        {
            //getting the user inputs
            cout << "Player " << player << " Turn" << endl;
            cout << "Enter a row: "; cin >> row;
            cout << "Enter a colums: "; cin >> col;
            row--;
            col--;
        }
        // then has a while statement that enetrs the inputs into the board
        while (!(row >= 0 && row < SIZE && col >= 0 && col < SIZE && board[row][col] == '-'));
        board[row][col] = player;
        // using the cins and putting them in the right row and colums
        if (isWin(board, player))
        {
            // gameEnd
            printBoard(board);
            cout << "Player " << player << " wins" << endl;
            gameEnd = true;
        }
        // else if loop for tie game
        else if (gameDraw(board))
        {
            printBoard(board);
            cout << "Game is a tie" << endl;
            gameEnd = true;
        }
    }
    return 0;
}