迷宫求解算法-优快云博客

#include"stdio.h"
#include"malloc.h"
#define MAX 10
#define L 10
#define C 10

int sum[L][C];
typedef struct
{
int i;
int j;
}postype;

typedef struct
{
int ort;
postype seat;
int di;
}selemtype;
typedef struct
{
selemtype *base;
selemtype *top;
int sizemax;

}stack;

int initstack(stack *st)
{
st->base=(selemtype *)malloc(MAX*sizeof(selemtype));
if(!st->base) return 0;
st->top=st->base ;
st->sizemax=MAX;
    return 1;
}
int empty(stack *st)
{
if(st->top-st->base>=st->sizemax)
      return 0;
   else if(st->base==st->top)
     return 1;
   return 3;
}
int push(stack *st,selemtype *e)
{
if(empty(st)==0)
{
  st->base =(selemtype *)realloc(st->base,(st->sizemax+3)*sizeof(selemtype));
     if(!st->base) return 0;
  st->sizemax +=3;
}
*(st->top)=*e;
st->top++;

   return 1;

}
int pop(stack *st,selemtype *e)
{
if(empty(st)==1)
  return 0;
*e=*(st->top-1);
st->top--;
return 1;

}
void print(stack *outst)
{
   selemtype post1;
   stack outst1;
   initstack(&outst1);
   while(true)
   {
    if(pop(outst,&post1)==1)
     push(&outst1,&post1);
else break;
   }

   while(true)
   {
    if(pop(&outst1,&post1)==1)
    printf("%d,%d,%d,%d/n",post1.ort,post1.seat.i,post1.seat.j,post1.di);
    else break;
   }

}

void initsum()
{
int i=0,j=0;
for(i=0;i<L;i++)
   for(j=0;j<C;j++)
    sum[i][j]=0;
for(j=0,i=0;j<10;j++) sum[i][j]=1;
     for(i=9,j=0;j<10;j++) sum[i][j]=1;
     for(j=0,i=0;i<10;i++) sum[i][j]=1;
for(j=9,i=0;i<10;i++) sum[i][j]=1;

   for(i=1,j=3;i<3;i++)sum[i][j]=1;
   for(i=1,j=7;i<3;i++) sum[i][j]=1;
   sum[4][2]=1;sum[4][3]=1;sum[4][4]=1;
   sum[3][5]=1;sum[3][6]=1;sum[5][4]=1;
   sum[6][2]=1;sum[6][6]=1;
   for(i=7,j=2;j<5;j++) sum[i][j]=1;
      sum[7][6]=1;sum[7][7]=1;sum[8][1]=1;
   sum[1][0]=0;sum[8][9]=8;

}
void main()
{
   int di=0,i=1,j=0,n;
   int a=1,b=0;
   stack outst;

   selemtype post;
   post.ort =0;
   initsum();
   initstack(&outst);
while(true)
{
   a=i;b=j;
   di=0;
   if(sum[i][j]==8){ printf("按下路径走，你能成功出来了:/n");print(&outst);break;}
    while(di<4)
    {     a=i;b=j;
    if(di==0) b=j+1;
    if(di==1) a=i+1;
    if((di==2)&&(j!=0))b=j-1;
    if(di==3) a=i-1;
    if((sum[a][b]==1)||(sum[a][b]==2)||(sum[a][b]==3))
    {
                  di++;
    }
      else
      {
    sum[i][j]=2;
          post.di=di;
          post.ort++;
          post.seat.i=i;
          post.seat.j=j;
          push(&outst,&post);
                if(di==0) j++;
             if(di==1) i++;
             if(di==2) j--;
             if(di==3) i--;
                 break;
      }
    }

   if(di>=4)
   {
    sum[i][j]=3;
       n=pop(&outst,&post);
    if(n==1)
    {
      i=post.seat.i ;
      j=post.seat.j;
    }
    else
    {
     printf("迷宫无法出去，是个死宫！");
     break;
    }

}
}

}