tictactoe.c

#include <stdio.h>

#define BOARD_SIZE 3

// Function to initialize the Tic Tac Toe board with empty spaces
void initializeBoard(char board[BOARD_SIZE][BOARD_SIZE]) {
    for (int i = 0; i < BOARD_SIZE; i++) {
        for (int j = 0; j < BOARD_SIZE; j++) {
            board[i][j] = ' ';
        }
    }
}

// Function to display the Tic Tac Toe board
void displayBoard(char board[BOARD_SIZE][BOARD_SIZE]) {
    printf("\n");
    for (int i = 0; i < BOARD_SIZE; i++) {
        for (int j = 0; j < BOARD_SIZE; j++) {
            printf(" %c ", board[i][j]);
            if (j < BOARD_SIZE - 1) {
                printf("|");
            }
        }
        printf("\n");
        if (i < BOARD_SIZE - 1) {
            printf("---+---+---\n");
        }
    }
    printf("\n");
}

// Function to check if a player has won
// if there is a winning condition, return 1
int checkWin(char board[BOARD_SIZE][BOARD_SIZE], char player) {
    
    // Check rows
    
    
    // Check columns
    
    
    // Check diagonals
    
    
    return 0;
}

// Function to check if the board is full (draw)
int checkDraw(char board[BOARD_SIZE][BOARD_SIZE]) {
    for (int i = 0; i < BOARD_SIZE; i++) {
        for (int j = 0; j < BOARD_SIZE; j++) {
            if (board[i][j] == ' ') {
                return 0; // There's an empty space, the game is not a draw yet.
            }
        }
    }
    return 1; // The board is full, it's a draw.
}

int main() {
    char board[BOARD_SIZE][BOARD_SIZE];
    char player1 = 'X';
    char player2 = 'O';
    int currentPlayer = 1;
    int row, col;
    int moves = 0;

    initializeBoard(board);

    printf("Tic Tac Toe\n");
    printf("Player 1: X | Player 2: O\n");
    displayBoard(board);

    while (1) {
        printf("Player %d, enter row (0-2) and column (0-2) separated by a space: ", currentPlayer);

        // Get the player's move
        if (scanf("%d %d", &row, &col) != 2 || row < 0 || row >= BOARD_SIZE || col < 0 || col >= BOARD_SIZE) {
            printf("Invalid input. Please try again.\n");
            while (getchar() != '\n'); // Clear input buffer
            continue;
        }

        // Check if the selected cell is empty
        if (board[row][col] != ' ') {
            printf("That cell is already taken. Please try again.\n");
            continue;
        }

        // Make the move for the current player
        board[row][col] = (currentPlayer == 1) ? player1 : player2;
        displayBoard(board);

        // Check if the current player has won
        if (checkWin(board, (currentPlayer == 1) ? player1 : player2)) {
            printf("Player %d wins!\n", currentPlayer);
            break;
        }

        // Check if the game is a draw
        if (checkDraw(board)) {
            printf("It's a draw!\n");
            break;
        }

        // Switch to the other player for the next turn
        currentPlayer = (currentPlayer == 1) ? 2 : 1;
        moves++;
    }

    return 0;
}