計算機二級考試C++/C的迷宮游戲

#include"stdio.h"
    #include"bios.h"
    #define LEFT 75
    #define RIGHT 77
    #define UPPER 72
    #define DOWN 80
    #define ESC 27
    union keyboard /*定義讀取鍵盤碼的共用體類型*/
    {
    unsigned int iKeyInfo;
    char chKeyBit[2];
    };
    int fnGetKey(void)　 /*定義讀取鍵盤碼的函數(shù)*/
    {
    union keyboard uniKey1; /*定義讀取鍵盤碼的共用體變量*/
    while(bioskey(1)==0); /*檢測用戶是否按鍵*/
    uniKey1.iKeyInfo=bioskey(0);　 /*讀取按鍵信息*/
    return(uniKey1.chKeyBit[0]==0?uniKey1.chKeyBit[1]:uniKey1.chKeyBit[0]); /*返回ASCII碼或擴充碼*/
    }
    void main()
    {
    int iKey,x=11,y=6; /*x,y為人物移動后坐標(biāo)*/
    int chMap[10][10]={　 /*用二維數(shù)組定義地圖*/
    {0,0,0,0,0,0,0,0,0,0}, /*0表示墻1表示路2表示出口*/
    {0,1,0,0,1,1,1,1,1,0},
    {0,1,1,0,1,0,1,0,1,0},
    {0,0,1,0,1,0,1,0,1,0},
    {0,0,1,1,1,0,0,0,1,0},
    {0,0,0,0,0,0,1,1,1,0},
    {0,1,0,0,1,1,1,0,0,0},
    {0,1,1,1,1,0,0,0,2,0},
    {0,1,0,0,1,1,1,1,1,0},
    {0,0,0,0,0,0,0,0,0,0},
    };
    int i,j;　 /*反復(fù)進行求移動的坐標(biāo)運算*/
    while(1)
    {
    for(i=0;i<10;i++) /*輸出新地圖(刷新地圖)*/
    {
    gotoxy(10,5+i);
    for(j=0;j<10;j++)
    {
    if(chMap[i][j]==0)
    printf("#");
    if(chMap[i][j]==1)
    printf(" ");
    if(chMap[i][j]==2)
    printf("E");
    }
    }
    if(chMap[y-5][x-10]==2) /*如果如果人的坐標(biāo)和目標(biāo)坐標(biāo)重合輸出"YOU WIN!"退出*/
    {
    clrscr();
    printf("You Win!");
    break;
    } /*在起始(或移動后)的坐標(biāo)輸出人*/
    gotoxy(x,y);
    printf("*b");
    iKey=fnGetKey(); /*按讀取的按鍵信息改變坐標(biāo)如果改變的坐標(biāo)和墻(0)重合則不改變*/
    if(iKey==LEFT&&chMap[y-5][x-1-10]!=0)
    x--;
    if(iKey==RIGHT&&chMap[y-5][x+1-10]!=0)
    x++;
    if(iKey==UPPER&&chMap[y-1-5][x-10]!=0)
    y--;
    if(iKey==DOWN&&chMap[y+1-5][x-10]!=0)
     y++;
    if(iKey==ESC) /*輸入ESC退出并輸出"YOU LOST"*/
    {
    clrscr();
    printf("You Lost");
    break;
    }
    clrscr();
    }
    getch();