Note.ms

//井字棋(人机对战）
#include <iostream>
#include <vector>
#include <cstdlib>
#include <ctime>

using namespace std;

void drawBoard(const vector<char>& board) {
    cout << "\n";
    cout << " " << board[0] << " | " << board[1] << " | " << board[2] << " \n";
    cout << "---+---+---\n";
    cout << " " << board[3] << " | " << board[4] << " | " << board[5] << " \n";
    cout << "---+---+---\n";
    cout << " " << board[6] << " | " << board[7] << " | " << board[8] << " \n\n";
}

bool checkWin(const vector<char>& board, char player) {
    const int winPatterns[8][3] = {{0,1,2}, {3,4,5}, {6,7,8}, {0,3,6}, {1,4,7}, {2,5,8}, {0,4,8}, {2,4,6}};
    for (int i = 0; i < 8; i++) {
        if (board[winPatterns[i][0]] == player && board[winPatterns[i][1]] == player && board[winPatterns[i][2]] == player) {
            return true;
        }
    }
    return false;
}

bool checkDraw(const vector<char>& board) {
    for (int i = 0; i < 9; i++) {
        if (board[i] != 'X' && board[i] != 'O') {
            return false;
        }
    }
    return true;
}

int getComputerMove(const vector<char>& board) {
    vector<int> available;
    for (int i = 0; i < 9; i++) {
        if (board[i] != 'X' && board[i] != 'O') {
            available.push_back(i);
        }
    }
    srand(time(0));
    int randomIndex = rand() % available.size();
    return available[randomIndex];
}

int main() {
    vector<char> board(9);
    for (int i = 0; i < 9; i++) {
        board[i] = '1' + i;
    }
    
    char currentPlayer = 'X';
    bool gameOver = false;
    
    cout << "欢迎来到井字棋游戏！\n";
    cout << "你是 X，电脑是 O\n";
    
    while (!gameOver) {
        drawBoard(board);
        
        int move;
        if (currentPlayer == 'X') {
            cout << "请输入你的落子位置 (1-9): ";
            cin >> move;
            move--;
            
            if (move < 0 || move > 8 || board[move] == 'X' || board[move] == 'O') {
                cout << "无效的位置，请重新输入！\n";
                continue;
            }
        } else {
            move = getComputerMove(board);
            cout << "电脑选择了位置: " << move + 1 << "\n";
        }
        
        board[move] = currentPlayer;
        
        if (checkWin(board, currentPlayer)) {
            drawBoard(board);
            if (currentPlayer == 'X') {
                cout << "恭喜你，你赢了！\n";
            } else {
                cout << "电脑赢了，再接再厉！\n";
            }
            gameOver = true;
        } else if (checkDraw(board)) {
            drawBoard(board);
            cout << "游戏平局！\n";
            gameOver = true;
        } else {
            currentPlayer = (currentPlayer == 'X') ? 'O' : 'X';
        }
    }
    
    return 0;
}

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