三子棋

//game.h
#ifndef  __SANZIQI_H__
#define  __SANZIQI_H__

#define ROW 3
#define COL 3

void init_board(char board[ROW][COL], int row, int col);//初始化棋盘
void display(char board[ROW][COL], int row, int col);//显示棋盘
void player_move(char board[ROW][COL], int row, int col);//玩家走
void computer_move(char board[ROW][COL], int row, int col);//电脑走
int  chek_win(char board[ROW][COL], int row, int col);//检查是否赢
int CheckNull(char board[ROW][COL], int row, int col);//判断棋盘是否已满;
#endif  __SANZIQI_H__

//mian.c
#include<stdio.h>
#include<stdlib.h>
#include"game.h"
#include <time.h>
void menu()
{
    printf("*****************\n");
    printf("**** 1.play  ****\n");
    printf("**** 0.exit  ****\n");
    printf("*****************\n");
}

void game()
{
    int ret = 0;
    char board[ROW][COL] = { 0 };//初始化棋盘;
    init_board(board ,ROW, COL);
    display(board, ROW ,COL);//显示棋盘;
    while (1)//循环判断
    {
        player_move(board, ROW, COL);//玩家走;
        display(board, ROW, COL);//显示棋盘;
        ret=check_win(board, ROW, COL);//判断是否赢;
        if (ret != ' ')
        {
            break;
        }
        computer_move(board, ROW, COL);
        display(board, ROW, COL);
        check_win(board, ROW, COL);
        if (ret != ' ')
        {
            break;
        }
    }

    if (ret == 'X')
    {
        printf("恭喜你，赢了\n");
    }
    if (ret == 'O')
    {
        printf("很遗憾，电脑赢了\n");
    }
    if (ret == 'q')
    {
        printf("平局\n");
    }
}


int main()
{
    int choose = 0;
    srand((unsigned int)time(NULL));
    do 
   {
    menu();
    printf("请输入;> ");
    scanf_s("%d", &choose);
    switch (choose)
    {
    case 1:
        game();
        break;
    case 0:
        printf("退出游戏\n");
        break;
    default:
        printf("输入错误\n");
        break;
    }
    printf("欢迎再来玩");

    } while (choose);
    system("pause");
    return 0;
}

//三子棋.c
#include"game.h"
#include"game.h"
#include<stdio.h>
#include<stdlib.h>
#include <time.h>
void init_board(char board[ROW][COL], int row, int col)//初始化棋盘
{
    int i = 0; int j = 0;
    for (i = 0; i < row; i ++)
    {
        for (j = 0; j < col; j++)
        {
            board[i][j] = ' ';
        }
    }
}

void display(char board[ROW][COL], int row, int col)
{
    int i = 0; int j = 0;
    printf("---------\n");
    for (i = 0; i < col; i++)
    {
        printf("%c | %c | %c\n", board[i][0], board[i][1], board[i][2]);
        if (i != 2)
        {
            printf("---------\n");
        }
    }
    printf("---------\n");
}


void player_move(char board[ROW][COL], int row, int col)//玩家走
{
    int x = 0;
    int y = 0;
    printf("请输入坐标\n");
    scanf_s("%d%d", &x, &y);
    while (1)
    {
        if ((1 <= x && x <= 3) && (1 <= y && y <= 3))
        {
            if (board[x - 1][y - 1] == ' ') //玩家喜欢从1 开始计数，而我们棋盘是从零开始计数的：
            {
                board[x - 1][y - 1] = 'X';
                break;
            }
            else
            {
                printf("棋盘有棋子了，请重新输入\n");
            }
        }
        else
        {
            printf("输入错误\n");
        }
    }

}
void computer_move(char board[ROW][COL], int row, int col)//电脑走棋是随机的，需要产生随机数;
{
    int x = 0;
    int y = 0;
    printf("电脑走棋\n");
    while (1)
    {
        x = rand() % row;
        y = rand() % col;

            if (board[x][y] == ' ')
            {
                board[x][y] = 'O';
                break;

            }
    }
}

int check_win(char board[ROW][COL], int row, int col)
{

    int i = 0;
    for (i = 0; i < row; i++)
    {
        if (((board[i][0] == board[i][1]) && (board[i][1] == board[i][2])) && (board[i][1] != ' '))
        {
            return board[i][1];
        }

    }
    for (i = 0; i < col; i++)
    {
        if (((board[0][i] == board[1][i]) && (board[1][i] == board[2][i])) && (board[1][i] != ' '))
        {
            return board[1][i];
        }

    }
    if (((board[0][0] == board[1][1]) && (board[1][1] == board[2][2])) && (board[1][1] != ' '))
    {
        return board[1][1];
    }
    if (((board[0][2] == board[1][1]) && (board[1][1] == board[2][0])) && (board[1][1] != ' '))
    {
        return board[1][1];
    }
    if (CheckNull(board, ROW, COL))
    {
        return 'q';
    }
    return ' ';
}

//判断棋盘是否为满  
int CheckNull(char board[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;
    for (i = 0; i < row; i++)
    {
        for (j = 0; j < col; j++)
        {
            if (board[i][j] == ' ')
            {
                return 0;
            }
        }
    }
    return 1;          //表示棋盘已下满  
}