1. 所有代码

main.c

 
#define _CRT_SECURE_NO_WARNINGS
#include "game.h"
void play_game()
{
    char arr[ROW][COL];
    init_board(arr, ROW, COL, ' ');
    display_board(arr, ROW, COL);
    printf("******游戏开始*******\n\n\n");
    while (1)
    {
        int n = 0;
        printf("电脑下棋: \n");
        set_window(arr, ROW, COL);
        display_board(arr, ROW, COL);
        n = judge(arr, ROW, COL);
        if (n == 0)
        {
            printf("电脑获胜\n");
            break;
        }
        else if (n == 1)
        {
            printf("玩家获胜\n");
            break;
        }
        else if (n == 2)
        {
            printf("平局\n");
            break;
        }
        printf("玩家下棋: ");
        set_player(arr, ROW, COL);
        display_board(arr, ROW, COL);
        n = judge(arr, ROW, COL);
        if (n == 0)
        {
            printf("电脑获胜\n");
            break;
        }
        else if (n == 1)
        {
            printf("玩家获胜\n");
            break;
        }
        else if (n == 2)
        {
            printf("平局\n");
            break;
        }
        printf("\n");
    }
    display_board(arr, ROW, COL);
}
void menu()
{
    printf("*************************\n");
    printf("****1  start,0  exit*****\n");
    printf("*************************\n");
}
void test()
{
    srand((unsigned int)time(NULL));
    int input = 0;
    do
    {
        menu();
        printf("请输入:> ");
        scanf("%d", &input);
        switch (input)
        {
        case 0:
            printf("退出游戏\n");
            break;
        case 1:
            //游戏入口
            play_game();
            break;
        default:
            printf("输入错误，请重新输入:>");
        }
    } while (input);
}
int main()
{
    //程序测试入口
    test();
    return 0;
}

game.c

#define _CRT_SECURE_NO_WARNINGS
#include "game.h"
 
//初始化棋盘
void init_board(char arr[ROW][COL], int row, int col, char set)
{
    int i = 0;
    int j = 0;
    for (i = 0; i < row; i++)
    {
        for (j = 0; j < col; j++)
        {
            arr[i][j] = set;
        }
    }
}
//打印棋盘
void display_board(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 (i < col - 1 && j < col - 1)
            {
                printf(" %c |", arr[i][j]);
            }
            else if (i < col - 1 && j == col - 1)
            {
                printf(" %c ", arr[i][j]);
            }
            else if (i == col - 1 && j < col - 1)
            {
                printf(" %c |", arr[i][j]);
            }
            else
                printf(" %c ", arr[i][j]);
        }
        printf("\n");
        if (i<row-1)
            printf("-----------\n");
    }
}
//判断棋盘是否已满
int full_judge(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 1;
        }
    }
    return 0;
}
void set_window(char arr[ROW][COL], int row, int col)
{
    //这里用循环的话，循环条件该怎么设置。
    while (1)
    {
        int x = rand() % row;
        int y = rand() % col;
        if (arr[x][y] == ' ')
        {
            arr[x][y] = '*';
            break;
        }
    }
}
void set_player(char arr[ROW][COL], int row, int col)
{
    while (1)
    {
        int m = 0;
        int n = 0;
        printf("请输入落子坐标:>\n");
        scanf("%d %d", &m, &n);
        if ((0 <= m && m < row) && (0 <= n && n < col))
        {
            if (arr[m][n] == ' ')
            {
                arr[m][n] = '#';
                break;
            }
            else
            {
                printf("输入坐标已有棋子，请重新输入\n");
            }
        }
        else
            printf("非法输入，请重新输入\n");
    }
}
int judge(char arr[ROW][COL], int row, int col)
{
    int i = 0;
    //判断行是否存在输赢
    for (i = 0; i < row; i++)
    {
        if ((arr[i][0]=='*') && (arr[i][1] =='*')&& (arr[i][2] == '*'))
        {
            return 0;//电脑获胜
        }
        else if ((arr[i][0] == '#') && (arr[i][1] == '#') && (arr[i][2] == '#'))
        {
            return 1;//玩家获胜
        }
 
    }
    //判断列是否存在输赢
    for (i = 0; i < col; i++)
    {
        if ((arr[0][i] == '*') && (arr[1][i] == '*') && (arr[2][i] == '*'))
        {
            return 0;
        }
        else if ((arr[0][i] == '#') && (arr[1][i] == '#') && (arr[2][i] == '#'))
        {
            return 1;
        }
    }
    //判断对角线是否存在输赢
    if (((arr[0][0]=='*') && (arr[1][1]=='*') && (arr[2][2] == '*') )
        || ((arr[0][2]=='*') && (arr[1][1]=='*') && (arr[2][0] == '*')))
        return 0;
    else if (((arr[0][0] == '#') && (arr[1][1] == '#') && (arr[2][2] == '#'))
        || ((arr[0][2] == '#') && (arr[1][1] == '#') && (arr[2][0] == '#')))
        return 1;
    else
    {
        int start = 0;
        start = full_judge(arr, row, col);
        if (start == 0)
        {
            return 2;//表示棋盘已满（平局）
        }
        else
            return 3;//还未分出胜负继续下旗
    }
}

game.h

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
 
//棋盘大小
#define ROW 3
#define COL 3
 
 
//函数声明
//初始化棋盘
void init_board(char arr[ROW][COL], int row, int col, char set);
//打印棋盘
void display_board(char arr[ROW][COL], int row, int col);
//电脑下棋
void set_window(char arr[ROW][COL], int row, int col);
//玩家下棋
void set_player(char arr[ROW][COL], int row, int col);
//判断输赢
int judge(char arr[ROW][COL], int row, int col);
//判断棋盘是否已满
int full_judge(char arr[ROW][COL], int row, int col);