三子棋

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首先定义一个头文件game.h
在里面定义宏和声明游戏实现所用到的函数

#ifndef __GAME_H__#define __GAME_H__#include <stdlib.h>#include <time.h>#define ROWS 3#define COLS 3void InitBoard(char board[ROWS][COLS], int rows, int cols);void DisplayBoard(char board[ROWS][COLS], int rows, int cols);void ComputerMove(char board[ROWS][COLS], int rows, int cols);void PlayerMove(char board[ROWS][COLS], int rows, int cols);char CheakWin(char board[ROWS][COLS], int rows, int cols);#endif//__GAME_H__

接着写主函数，测试函数，菜单以及游戏实现函数

#define _CRT_SECURE_NO_WARNINGS 1#include <stdio.h>#include "game.h"void menu(){    printf("*******************************************\n");    printf("********   1.play      0.exit    **********\n");    printf("*******************************************\n");}void game(){    char win = 0;    char arr[ROWS][COLS] = { 0 };    InitBoard(arr,ROWS,COLS);    DisplayBoard(arr,ROWS,COLS);    while (1)    {        ComputerMove(arr, ROWS, COLS);        win=CheakWin(arr, ROWS, COLS);        if (win != ' ')        {            break;        }        DisplayBoard(arr, ROWS, COLS);        PlayerMove(arr, ROWS, COLS);        win = CheakWin(arr, ROWS, COLS);        DisplayBoard(arr, ROWS, COLS);        if (win != ' ')        {            break;        }    }    if (win == 'X')    {        printf("computer win!\n");    }    else if (win == '*')    {        printf("player win!\n");    }    else if (win == 'q')    {        printf("平局\n");    }}void test(){    int input = 0;    srand((unsigned int)time(NULL));    do    {        menu();        printf("please choose:");        scanf("%d", &input);        switch (input)        {        case 1:            game();            break;        case 0:            break;        default:            printf("input errr!please input again!\n");            break;        }    } while (input);}int main(){    test();    return 0;}

最后新建一个文件来写实现游戏的相关函数

#define _CRT_SECURE_NO_WARNINGS 1#include <stdio.h>#include "game.h"void InitBoard(char board[ROWS][COLS], int rows, int cols){    int i = 0;    int j = 0;    for (i = 0; i < rows; i++)    {        for (j = 0; j < cols; j++)        {            board[i][j] = ' ';        }    }}void DisplayBoard(char board[ROWS][COLS], int rows, int cols){    int i = 0;    for (i = 0; i < rows; i++)    {        printf(" %c | %c | %c \n", board[i][0], board[i][1], board[i][2]);        if (i < rows - 1)        {            printf("---|---|---\n");        }    }}void ComputerMove(char board[ROWS][COLS], int rows, int cols){    int x = 0;    int y = 0;    printf("computer go\n");    x = rand() % rows;    y = rand() % cols;    while (1)    {        if (board[x][y] == ' ')        {            board[x][y] = 'X';            break;        }    }}void PlayerMove(char board[ROWS][COLS], int rows, int cols){    int x = 0;    int y = 0;    printf("player go:");    scanf("%d%d", &x, &y);    while (1)    {        if (x >= 1 && x <= rows && y >= 1 && y <= cols)        {            if (board[x-1][y-1] == ' ')            {                board[x-1][y-1] = '*';                break;            }            else            {                printf("Can't input here.\n");                break;            }        }        else        {            printf("input error,please input again\n");        }    }}static int is_full(char board[ROWS][COLS], int rows, int cols){    int i = 0;    int j = 0;    for (i = 0; i < rows; i++)    {        for (j = 0; j < cols; j++)        {             if (board[i][j] == ' ')                return 0;        }    }    return 1;}char CheakWin(char board[ROWS][COLS], int rows, int cols){    int i = 0;     for (i = 0; i < rows; i++)    {        if (board[i][0] == board[i][1] && board[i][0] == board[i][2] && board[i][0] != ' ')        {            return board[i][0];        }    }    for (i = 0; i < cols; i++)    {        if (board[0][i] == board[1][i] && board[0][i] == board[2][i] && board[0][i] != ' ')        {            return board[0][i];        }    }    if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ')    {        return board[1][1];    }    if (board[2][0] == board[1][1] && board[1][1] == board[0][2] && board[1][1] != ' ')    {        return board[1][1];    }    if (is_full(board, rows, cols))    {        return 'q';    }    return ' ';}

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