遊戲規則：人機對戰，在九宮格裏下棋，O代表電腦所下棋子的地方，X代表玩家下棋的地方，哪一方先連成三個那邊算贏。
程序要求：

1. 電腦所下位的行列值由電腦隨機生成。
2. 玩家通過輸入行列值進行下棋。
3. 每走一步都要形成可視化界面，O代表電腦，X代表玩家。
4. 要及時分出輸贏或平局，分出勝負後，要 及時結束本局遊戲。
5. 遊戲是否結束，由玩家決定。

頭文件：

#define _CRT_SECURE_NO_WARNINGS 1
#ifndef _THREE_CHESS_H_
#define _THREE_CHESS_H_

#include <stdio.h>
#include <windows.h>
#include <string.h>
#include <time.h>
#define ROW 3
#define COL 3

void ShowUI();
void Game();
void ComputerMove(char board[][COL], int row, int col);
void ShowBoard(char board[][COL], int row, int col);
char Judge(char board[][COL], int row, int col);
void PlayerMove(char board[][COL], int row, int col);

#endif
 

子函數

#define _CRT_SECURE_NO_WARNINGS 1
#include "three_chess.h"

void ShowUI()
{
    printf("##########################\n");
    printf("##1.PLAY          0.EXIT##\n");
    printf("##########################\n");
    printf("select number: \n");

}

void Game()
{
    printf("Game bigin\n");
    char board[ROW][COL];
    char result = ‘N‘;
    srand((unsigned long)time(NULL));
    memset(board, ‘ ‘, sizeof(board));    //按字節初始化
    while (1)
    {
        ComputerMove(board, ROW, COL);
        ShowBoard(board, ROW, COL);
        result = Judge(board, ROW, COL);
        if ( result!= ‘N‘)     //結果‘X‘ ‘O‘ ‘E‘ ‘N‘
        {
            break;
        }
        PlayerMove(board, ROW, COL);
        ShowBoard(board, ROW, COL);
        result = Judge(board, ROW, COL);
        if (result != ‘N‘)     //結果‘X‘ ‘O‘ ‘E‘ ‘N‘
        {
            break;
        }

    }
    switch (result){
    case ‘X‘:
        printf("congratulation!!!you win...");
        break;
    case ‘O‘:
        printf("oh no~~~~~you lose");
        break;
    case ‘E‘:
        printf("平局");
        break;
    default:
        break;

    }
}
void ComputerMove(char board[][COL], int row, int col)
{
    while (1)
    {
        int x = rand() % row;
        int y = rand() % col;
        if (board[x][y] == ‘ ‘)
        {
            board[x][y] = ‘O‘;
            break;
        }
    }

}
void PlayerMove(char board[][COL], int row, int col)
{
    int x, y;
    while (1)
    {
        printf("Please Enter Your Pose:");
        scanf("%d %d", &x, &y);
        if (x >= 1 && x <= row&&y >= 1 && y <= col)
        {
            if (board[x-1][y-1] == ‘ ‘)
            {
                board[x - 1][y - 1] = ‘X‘;
                break;
            }
            else printf("Your pose has been filled , try agin");

        }
        else printf("Enter error , try agin");

    }

}
char Judge(char board[ROW][COL], int row, int col)
{
    int i ,j;

    for (i=0; i < row; i++)
    {
        if (board[i][0] == board[i][1] && board[i][1] == board[i][2] &&        //續行符
            board[i][0] != ‘ ‘)
            return board[i][0];
    }
    for (j=0; j <col; j++)
    {
        if (board[0][j] == board[1][j] && board[0][j] == board[2][j] &&     //續行符
            board[0][j] != ‘ ‘)
            return board[0][j];
    }
    if (board[0][0] == board[1][1] && board[1][1] == board[2][2] &&     //續行符
        board[0][0] != ‘ ‘)
        return board[0][0];
    if (board[0][2] == board[1][1] && board[1][1] == board[2][0] &&     //續行符
        board[0][2] != ‘ ‘)
        return board[0][2];
    for (i = 0; i < row; i++)
    {
        for (j = 0; j < col; j++)
        {
            if (board[i][j] == ‘ ‘)
                return ‘N‘;
        }
    }
    return ‘E‘;
}
void ShowBoard(char board[][COL], int row, int col)
{
    int i, j;
    printf("  1  2  3 \n");
    printf("----------\n");

    for (i = 0; i <row; i++)
    {
        printf("%d|", i+1);
        for (j = 0; j < col; j++)
        {
            printf("%c|", board[i][j]);
        }

        printf("\n");
    }

}
 

主程序：

#include "three_chess.h"

int main()
{
    int select;  
    ShowUI();

    do{
        scanf("%d", &select);
        switch (select){
        case 1:
            Game();
            break;
        case 0:
            printf("bye!!\n");
            break;
        default:
            printf("please printf agin:");
            break;
        }
    } while(select);

    system("pause");
    return 0;
}
 

三子棋初稿