C++实现走迷宫小游戏

#include<conio.h>
#include<stdlib.h>
#include<time.h>
#include<string.h>
#include<windows.h>
#include<iostream>
using namespace std;
char pr[10]={1,' ','E','O'} ;
int level,n,m,map[50][50],i,j,x,y,k,ex,ey;
char c[1001];
int main(){
 system("cls");
 puts("if you no full screen,please press full screen");
 getch();
 system("cls");
 puts("please choose level");
 again:;
 cin>>level;
 if(level>1||level<1){
 puts("haven't this level");
 goto again;
 }
 puts("loading...");
 sprintf(c,"%d.map",level);
 freopen(c,"r",stdin);
 cin>>n>>m;
 for(i=1;i<=n;i++)
 for(j=1;j<=m;j++)
 cin>>map[i][j];
 fclose(stdin);
 for(i=1;i<=n;i++)
 for(j=1;j<=m;j++)
 if(map[i][j]==3){
 x=i;
 y=j;
 }
 else if(map[i][j]==2){
 ex=i;
 ey=j;
 }
 while(x!=ex&&y!=ey){
 system("cls");
 for(i=1;i<=n;i++,putchar('\n'))
 for(j=1;j<=m;j++)
 putchar(pr[map[i][j]]);
 k=getch();
 if(k=='w')
 if(map[x-1][y]&&(x-1)){
 map[x-1][y]=3;
 map[x][y]=1;
 x--;
 }
 if(k=='s')
 if(map[x+1][y]&&(x+1)<=n){
 map[x+1][y]=3;
 map[x][y]=1;
 x++;
 }
 if(k=='a')
 if(map[x][y-1]&&(y-1)){
 map[x][y-1]=3;
 map[x][y]=1;
 y--;
 }
 if(k=='d')
 if(map[x][y+1]&&(y+1)<=m){
 map[x][y+1]=3;
 map[x][y]=1;
 y++;
 }
 }
 system("cls");
 return 0;
}