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写的一个小游戏有不足的地方敬请指出来，十分感谢提错

看你怎样打出平局

game.h

#ifndef __GAME_H__#define __GAME_H__#include 
   
    #include 
    
     #include 
     
      #include 
      
       #define   ROWS     3#define   COLS     3void init_board(char board[ROWS][COLS], int rows, int cols);    //建立一个棋盘void display_board(char board[ROWS][COLS], int rows, int cols); //调试用的棋盘void player_move(char board[ROWS][COLS], int rows, int cols);   //玩家移动void computer_move(char board[ROWS][COLS], int rows, int cols); //电脑移动char check_win(char board[ROWS][COLS], int rows, int cols);     //检查游戏是否结束#endif     __GAME_H__
      
     
    
   

#include "game.h"void init_board(char board[ROWS][COLS], int rows, int cols){    memset (board, ' ',sizeof(char)*rows*cols);}void display_board(char board[ROWS][COLS], int rows, int cols){    int i = 0;    for(i=0; i
   
    =0) && (x<=rows-1) && (y>=0) && (y<=cols-1) )    //判断落子位置是否合法        {            if (board[x][y] == ' ')                              //判断落子位置是否为空            {                board[x][y] = 1;                break;            }            else            {                printf("输入错误，请重新输入\n");            }        }        else        {            printf("输入错误，请重新输入\n");        }    }}void computer_move(char board[ROWS][COLS], int rows, int cols){    printf("‖‖‖‖\n");    while(1)    {        int x = rand() % 3;                 //rand函数产生一个随机值        int y = rand() % 3;                 //产生一个0~2的随机数        if (board[x][y] == ' ')             //判断落子位置是否为空        {            board[x][y] = 2;            break;        }    }}static int is_full(char board[ROWS][COLS], int rows, int cols){    int i = 0;    int j = 0;    for (i=0; i
   

#include "game.h"void menu(){    printf("按【1】『开始』\n");    printf("按【0】『结束』\n");}enum Option{    EXIT,    PLAY};void game(){    char ret = 0;    char board[ ROWS ][ COLS ] = {0};    init_board(board, ROWS, COLS);    display_board(board, ROWS, COLS);    while(1)    {        player_move(board, ROWS, COLS);         display_board(board, ROWS, COLS);             ret = check_win(board, ROWS, COLS);        if (ret !=' ')        {            break;        }        computer_move(board, ROWS, COLS);        display_board(board, ROWS, COLS);        ret = check_win(board, ROWS, COLS);        if (ret !=' ')        {            break;        }    }    if (ret == 1)    {        printf("玩家赢\n");    }    else if(ret == 2)    {        printf("你输了\n");    }    else    {        printf("平局\n");    }}int main(){    int input = 0;    srand((unsigned int)time(NULL));    do {        menu();        printf("请选择>>\n");        scanf("%d",&input);        switch (input)        {        case PLAY:                game();                break;        case EXIT:                break;        default :            {                printf("错误指令，请重新选择>>.\n");                break;            }        }    }while (input);    return 0;}

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