三子棋的简单实现

//game.h

#ifndef _GAME_H
#define _GAME_H
#define ROW 3
#define COL 3
#include <stdio.h>
#include <time.h>
void Display(char arr[ROW][COL], int row, int col);
void InitBoard(char arr[ROW][COL], int row, int col);
void computer_move(char arr[ROW][COL]);
void player_move(char arr[ROW][COL], int row, int col);
char check_win(char arr[ROW][COL], int row, int col);
#endif  //end _GAME_H_

//game.c

#define _CRT_SECURE_NO_WARNINGS
#include "game.h"
int check_full(char arr[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 (arr[i][j] == ' ')
            {
                return 0;
            }
        }
    }
    return 1;
}
char check_win(char arr[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;
    for (i = 0; i < row; i++)
    {
        if (arr[i][0] == arr[i][1] && arr[i][1] == arr[i][2] && arr[i][0] != ' ')
            return arr[i][0];
    }
    for (j = 0; j < row; j++)
    {
        if (arr[0][j] == arr[1][j] && arr[1][j] == arr[2][j] && arr[0][j] != ' ')
            return arr[0][j];
    }
    if ((arr[0][0] == arr[1][1]) && (arr[1][1] == arr[2][2]) && (arr[0][0] != ' '))
        return arr[0][0];
    if ((arr[0][2] == arr[1][1]) && (arr[1][1] == arr[2][0]) && (arr[0][2] != ' '))
        return arr[0][2];
    if (check_full(arr, row, col))
    {
        return 'q';
    }
    return ' ';
}
void computer_move(char arr[ROW][COL])
{
    int x = 0;
    int y = 0;
    while (1)
    {
        x = rand() % 3;
        y = rand() % 3;
        if (arr[x][y] == ' ')
        {
            printf("电脑走\n");
            arr[x][y] = 'O';
            Display(arr, ROW, COL);
            break;
        }
    }
}
void player_move(char arr[ROW][COL], int row, int col)
{
    int x = 0;
    int y = 0;
    while (1)
    {
        printf("请输入坐标>:");
        scanf("%d%d", &x, &y);
        printf("玩家走\n");
        x--;
        y--;
        if ((x >= 0) && (x <= 2) && (y >= 0) && (y <= 2) && (arr[x][y] == ' '))
        {
            arr[x][y] = 'X';
            Display(arr, ROW, COL);
            break;
        }
        printf("坐标有误");
    }
}
void Display(char arr[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;
    for (i = 0; i < row; i++)
    {
            printf(" %c | %c | %c \n", arr[i][0],arr[i][1],arr[i][2]);
            if (i != (row - 1))
                printf("---|---|---\n");
    }
    printf(" \n");
}
void InitBoard(char arr[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;
    for (i = 0; i < row; i++)
    {
        for (j = 0; j < col; j++)
        {
            arr[i][j] = ' ';
        }
    }
}

//test.c

#define _CRT_SECURE_NO_WARNINGS
#include "game.h"
void menu()
{
    printf("*******************************\n");
    printf("****   1.play  0.exit  ********\n");
    printf("*******************************\n");
}

void game()
{
    int ret = 0;
    char arr[ROW][COL];
    InitBoard(arr, ROW, COL);
    Display(arr, ROW, COL);
    do
    {
         computer_move(arr);
         ret = check_win(arr, ROW, COL);
         if (ret != ' ')
         {
             break;
         }
         player_move(arr, ROW, COL);
         ret = check_win(arr, ROW, COL);
    } 
    while (ret == ' ');
    if (ret == 'X')
        printf("玩家赢\n");
    else  if (ret == 'O')
        printf("电脑赢\n");
    else if (ret == 'q')
        printf("平局\n");
}
void test()
{
    int input = 0;
    srand((unsigned)time(NULL));
    do
    {
        menu();
        printf("请选择>:");
        scanf("%d", &input);
        switch (input)
        {
        case 1:
            game();
            break;
        case 0:
            break;
        default:
            printf("选择错误");
            break;
        }

    } while (input);
}
int main()
{
     test();
    return 0;
}