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ttt.cpp

#include <iostream>
#include "ttt_f.cpp"
using namespace std;

int main()
{
    char board[3][3] = {{'-', '-', '-'}, {'-', '-', '-'}, {'-', '-', '-'}};
    int row, col;
    char player1 = 'X', player2 = 'O';
    char currentPlayer = player1;
    bool gameFinished = false;

    cout << "Tic Tac Toe Game Best of 5\n\n";
    cout << "Player 1: " << player1 << "\nPlayer 2: " << player2 << "\n\n";

    // Game loop
    for (int i = 0; i < 5; i++)
    {
        while (!gameFinished)
        {
            // Print current board
            cout << "Current board:\n";
            display_board(board);

            // Take input from current player
            cout << "Player " << currentPlayer << " enter row and column (e.g. 1 2): ";
            cin >> row >> col;

            // Check if input is valid
            if (row < 1 || row > 3 || col < 1 || col > 3)
            {
                cout << "Invalid input. Please enter a row and column between 1 and 3.\n";
                continue;
            }
            if (board[row - 1][col - 1] != '-')
            {
                cout << "Invalid input. That cell is already occupied.\n";
                continue;
            }

            // Update the board
            board[row - 1][col - 1] = currentPlayer;

            currentPlayer = (currentPlayer == player1) ? player2 : player1;

            // Check if the game is over
            win_c(gameFinished, board);
        }
    }

    return 0;
}

ttt_f.cpp

#include <iostream>
#include <vector>

void display_board(char board[3][3])
{
    for (int i = 0; i < 3; i++)
    {
        for (int j = 0; j < 3; j++)
        {
            std::cout << board[i][j] << " ";
        }
        std::cout << "\n";
    }
}

void win_c(bool gameFinished, char board[3][3])
{
    bool isWin = false;
    char player1 = 'X', player2 = 'O';
    char currentPlayer = player1;

    for (int i = 0; i < 3; i++)
    {
        if (board[i][0] == currentPlayer && board[i][1] == currentPlayer && board[i][2] == currentPlayer)
        {
            isWin = true;
            break;
        }
        if (board[0][i] == currentPlayer && board[1][i] == currentPlayer && board[2][i] == currentPlayer)
        {
            isWin = true;
            break;
        }
    }
    if (board[0][0] == currentPlayer && board[1][1] == currentPlayer && board[2][2] == currentPlayer)
    {
        isWin = true;
    }
    if (board[0][2] == currentPlayer && board[1][1] == currentPlayer && board[2][0] == currentPlayer)
    {
        isWin = true;
    }
    if (isWin)
    {
        std::cout << "Player " << currentPlayer << " wins!\n";
        gameFinished = true;
    }
    else
    {
        // Check if the game is a tie
        bool isTie = true;
        for (int i = 0; i < 3; i++)
        {
            for (int j = 0; j < 3; j++)
            {
                if (board[i][j] == '-')
                {
                    isTie = false;
                    break;
                }
            }
            if (!isTie)
            {
                break;
            }
        }
        if (isTie)
        {
            std::cout << "The game is a tie.\n";
            gameFinished = true;
        }
        else
        {// Switch players
            currentPlayer = (currentPlayer == player1) ? player2 : player1;
        }
    }
    
}