C语言编写三子棋完整代码（分三个文件）

1.game.h 头文件

#ifndef   __GAME_H__   //防止头文件被重复引用
#define   __GAME_H__

#include 
#include 
#include 
#include 

#define ROW 3
#define COL 3

void InitBoard(char arr[ROW][COL], int row, int col);
void Display(char arr[ROW][COL], int row, int col);
void Manplay(char arr[ROW][COL], int row, int col);
char is_Win(char arr[ROW][COL], int row, int col);
void Computerplay(char arr[ROW][COL], int row, int col);

#endif  //__GAME_H__

2.game.c 游戏所有的实现代码

#include "game.h"


void InitBoard(char arr[ROW][COL], int row, int col)//初始化棋盘，把二维数组的值全部初始化为空格
{
    memset(arr, ' ', sizeof(arr[0][0])*col*row);
}

void Display(char arr[ROW][COL], int row, int col)//打印棋盘
{
    int i = 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 Manplay(char arr[ROW][COL], int row, int col)//玩家走
{
    int i = 0;
    int j = 0;
    while (1)
    {
        printf("请输入坐标（x，y）：");
        scanf_s("%d%d", &i, &j);
        if (i >= 1 && i <= 3 && j >= 1 && j <= 3)
        {
            if (arr[i - 1][j - 1] == ' ')//判断位置是否为空
            {
                arr[i - 1][j - 1] = 'X';
                break;
            }
            else
            {
                printf("该位置被占\n");
            }
        }
        else
        {
            printf("坐标不合法\n");
        }
    }
}

int is_Full(char arr[ROW][COL], int row, int col)//判断棋盘是否满
{
    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 is_Win(char arr[ROW][COL], int row, int col)//判赢
{
    int j = 0;
    int i = 0;
    for (i = 0; i < row; i++) //判断行
    {
        if ((arr[i][0] == arr[i][1]) && (arr[i][1] == arr[i][2]) && (arr[i][1]) != ' ')
        {
            return arr[i][1];
        }
    }
    for (j = 0; j < col; j++) //判断列
    {
        if ((arr[0][j] == arr[1][j]) && (arr[1][j] == arr[2][j]) && (arr[1][j]) != ' ')
        {
            return arr[1][j];
        }
    }

    if ((arr[0][0] == arr[1][1]) && (arr[1][1] == arr[2][2]) && (arr[0][0] != ' ')) //判断斜列
    {
        return arr[1][1];
    }
    else if ((arr[0][2] == arr[1][1]) && (arr[1][1] == arr[2][0]) && (arr[0][0] != ' '))
    {
        return arr[1][1];
    }
    else if (is_Full(arr, row, col) == 1)
    {
        return 'w';
    }
    else
    {
        return ' ';
    }
}

void Computerplay(char arr[ROW][COL], int row, int col)//电脑走
{
    int i = 0;
    int j = 0;
    while (1)
    {
        i = rand() % 3;
        j = rand() % 3;
        if (arr[i][j] == ' ')
        {
            arr[i][j] = 'O';
            break;
        }
    }
    system("cls");//清屏
}

3.Tic Tac Toe.c 游戏测试代码

#include "game.h"

void game()
{
    char ret = ' ';
    char Board[ROW][COL] = { 0 };
    InitBoard(Board, ROW, COL);
    Display(Board, ROW, COL);
    srand((unsigned int) time(NULL));
    while (1)
    {
        Manplay(Board, ROW, COL);
        Display(Board, ROW, COL);
        ret = is_Win(Board, ROW, COL);
        if (ret != ' ')
            break;
        Computerplay(Board, ROW, COL);
        Display(Board, ROW, COL);
        ret = is_Win(Board, ROW, COL);
        if (ret != ' ')
            break;
    }
    if (ret == 'X')
        printf("这局玩家胜利\n");
    else if (ret == 'O')
        printf("这局电脑胜利\n");
    else if (ret == 'w')
    {
        printf("平局\n");
    }
}

void menu()
{
    printf("**********************************\n");
    printf("***** 1. play       2. exit ******\n");
    printf("**********************************\n");
}

void test()
{
    do
    {
        menu();
        printf("请选择：");
        int input = 0;
        scanf_s("%d", &input);
        switch (input)
        {
        case 1:
            game();
            break;
        case 2:
            exit(0);
            break;
        default:
            printf("输入错误\n");
            break;
        }
    } while (1);
}

int main()
{
    test();
}