检查谁赢得了Tic Tac Toe更高效的C++

#include<iostream>
#include<vector>

using namespace std;

void printBoard(vector<vector<char>>& board) {
    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 3; j++) {
            cout<< board[i][j] << " ";
        }
        cout<< endl;
    }
}

bool checkWin(vector<vector<char>>& board, char player) {
    for (int i = 0; i < 3; i++) {
        if (board[i][0] == player && board[i][1] == player && board[i][2] == player) {
            return true;
        }
        if (board[0][i] == player && board[1][i] == player && board[2][i] == player) {
            return true;
        }
    }
    if (board[0][0] == player && board[1][1] == player && board[2][2] == player) {
        return true;
    }
    if (board[0][2] == player && board[1][1] == player && board[2][0] == player) {
        return true;
    }
    return false;
}

int main() {
    vector<vector<char>> board(3, vector<char>(3, ' '));
    char currentPlayer = 'X';
    int moves = 0;

    while (moves < 9) {
        printBoard(board);
        cout << "Player "<< currentPlayer << ", enter your move (row, col): ";
        int row, col;
        cin >> row >> col;

        if (board[row][col] != ' ') {
            cout << "Invalid move, try again."<< endl;
            continue;
        }

        board[row][col] = currentPlayer;
        moves++;

        if (checkWin(board, currentPlayer)) {
            printBoard(board);
            cout << "Player "<< currentPlayer << " wins!"<< endl;
            return 0;
        }

        currentPlayer = (currentPlayer == 'X') ? 'O' : 'X';
    }

    printBoard(board);
    cout << "It's a tie!"<< endl;
    return 0;
}