c++用队列写的迷宫代码

#include "stdio.h"
#include "malloc.h"
#define Maxsize 100
struct{
      int i;
  int j;
  int pre;
}Qu[Maxsize];
int x,y,xi,yi,xe,ye,front,rear;
void cmg(int (*mg)[Maxsize])
{ int n,m;
  printf("请输入迷宫的行和列x y(注意输入的两字符用空格隔开):");
  scanf("%d %d",&x,&y);
for(n=1;n<=x;n++)
   for(m=1;m<=y;m++)
   {
   mg[n][m]=0;
   }
  for(n=1,m=x+1;n<=y;n++)
  {
   mg[0][n]=1;
   mg[m][n]=1;
  } 
  
  for(n=0,m=y+1;n<=x+1;n++)
  {
   mg[n][0]=1;
   mg[n][m]=1;
  }
     printf("  ");