Tic Tac Toe - Grid Flexible

gistfile1.txt

#include <stdio.h>
#include <stdbool.h>

void printBoard(int size, char board[size][size])
{
    printf("\n");
    for (int i = 0; i < size; i++) {
        // Print row
        for (int j = 0; j < size; j++) {
            printf(" %c ", board[i][j]);
            if (j != size - 1) {
                printf("|");
            }
        }
        printf("\n");

        // Print separator
        if (i != size - 1) {
            for (int j = 0; j < size; j++) {
                printf("___");
                if (j != size - 1) {
                    printf("|");
                }
            }
            printf("\n");
        }
    }
    printf("\n");
}

bool isBoardFull(int size, char board[size][size])
{
    for (int i = 0; i < size; i++) {
        for (int j = 0; j < size; j++) {
            if (board[i][j] == ' ')
                return false;
        }
    }
    return true;
}

bool checkWin(int size, char board[size][size], char symbol, int lastRow, int lastCol)
{
    // Check row
    bool win = true;
    for (int j = 0; j < size; j++) {
        if (board[lastRow][j] != symbol) {
            win = false;
            break;
        }
    }
    if (win)
        return true;

    // Check column
    win = true;
    for (int i = 0; i < size; i++) {
        if (board[i][lastCol] != symbol) {
            win = false;
            break;
        }
    }
    if (win)
        return true;

    // Check main diagonal
    if (lastRow == lastCol) {
        win = true;
        for (int i = 0; i < size; i++) {
            if (board[i][i] != symbol) {
                win = false;
                break;
            }
        }
        if (win)
            return true;
    }

    // Check anti-diagonal
    if (lastRow + lastCol == size - 1) {
        win = true;
        for (int i = 0; i < size; i++) {
            if (board[i][size - i - 1] != symbol) {
                win = false;
                break;
            }
        }
        if (win)
            return true;
    }

    return false;
}

int main()
{
    int size = 3; // Change the size of the Tic Tac Toe board here

    char board[size][size];
    for (int i = 0; i < size; i++) {
        for (int j = 0; j < size; j++) {
            board[i][j] = ' ';
        }
    }

    char currentPlayer = 'X';
    bool gameFinished = false;

    while (!gameFinished) {
        printf("Player %c's turn.\n", currentPlayer);

        int row, col;
        printf("Enter the row (1-%d): ", size);
        scanf("%d", &row);
        printf("Enter the column (1-%d): ", size);
        scanf("%d", &col);

        // Adjust row and col to 0-based indices
        row--;
        col--;

        if (row < 0 || row >= size || col < 0 || col >= size) {
            printf("Invalid move. Please try again.\n");
            continue;
        }

        if (board[row][col] != ' ') {
            printf("Invalid move. Please try again.\n");
            continue;
        }

        board[row][col] = currentPlayer;
        printBoard(size, board);

        if (checkWin(size, board, currentPlayer, row, col)) {
            printf("Player %c wins!\n", currentPlayer);
            gameFinished = true;
        } else if (isBoardFull(size, board)) {
            printf("It's a draw!\n");
            gameFinished = true;
        } else {
            // Switch player
            currentPlayer = (currentPlayer == 'X') ? 'O' : 'X';
        }
    }

    return 0;
}