char maze[18][24]= {"************** ********",//1
          				"*            * *      *",//2
          				"* ************ * ** * *",//3
          				"*            * **** * *",//4
          				"* ********** * *    * *",//5
          				"* **       *   * ******",//6
          				"* ** ***** ***** * ** *",//7
          				"*        *          * *",//8
          				"****** * **********   *",//9
          				"*    * * *        * $ *",//10
          				"* **** * * ****** *****",//11
          				"* *    * * *    * *   *",//12
          				"* * ****** * ** * * * *",//13
          				"* *        * ** * * * *",//14
          				"* ********** **     * *",//15
          				"*               *     *",//16				  				  				            		
          				"*************** *******",//17 
						"***********************"};//18

#include<bits/stdc++.h>//完整迷雾
#include<windows.h>
#include<conio.h>
using namespace std;
int main()
{
	char maze[18][24]= {"************** ********",//1
          				"*            * *      *",//2
          				"* ************ * ** * *",//3
          				"*            * **** * *",//4
          				"* ********** * *    * *",//5
          				"* **       *   * ******",//6
          				"* ** ***** ***** * ** *",//7
          				"*        *          * *",//8
          				"****** * **********   *",//9
          				"*    * * *        * $ *",//10
          				"* **** * * ****** *****",//11
          				"* *    * * *    * *   *",//12
          				"* * ****** * ** * * * *",//13
          				"* *        * ** * * * *",//14
          				"* ********** **     * *",//15
          				"*               *     *",//16				  				  				            		
          				"*************** *******",//17 
						"***********************"};//18
   int x,y;
    srand(time(0));
	x = rand() % 18;
	y = rand() % 23;
	while(maze[x][y] != ' '){
		x = rand() % 18;
		y = rand() % 23;
	} 
	maze[x][y] = 'i';
	int i,j;
    for(i = 0;i < 18;++i){
    	for(j = 0;j < 23;++j){
    		cout << maze[i][j] << " ";
		}
		cout << endl;
	}
	char c;
	while(true)
	{
		c=getch();
		if(c=='w'&&maze[x-1][y]!='*')
		{
			maze[x][y]=' ';
			x--;
			maze[x][y]='i';
		}//上
		if(c=='s'&&maze[x+1][y]!='*')
		{
			maze[x][y]=' ';
			x++;
			maze[x][y]='i';
		}//下 
		if(c=='a'&&maze[x][y-1]!='*')
		{
			maze[x][y]=' ';
			y--;
			maze[x][y]='i';
		}//左 
		if(c=='d'&&maze[x][y+1]!='*')
		{
			maze[x][y]=' ';
			y++;
			maze[x][y]='i';
		}//右 
	system("cls");
	for(int i = 0;i < 18;++i){
    	for(int j = 0;j < 23;++j){
    		if(i>x-2&&i<x+2&&j>y-2&&j<y+2)
    			cout << maze[i][j] << " ";
    		else 
    			cout<<"  ";
		}
		cout << endl;
	}
	}
	return 0;
}

最后一题为案例代码存储