#include<stdio.h>
#define MaxSize 100
struct
{
int i;
int j;
int di;
}st[MaxSize];
int mg[10][10]=
{
{1,1,1,1,1,1,1,1,1,1},
{1,0,0,1,0,0,0,1,0,1},
{1,0,0,1,0,0,0,1,0,1},
{1,0,0,0,0,1,1,0,0,1},
{1,0,1,1,1,0,0,0,0,1},
{1,0,0,0,1,0,0,0,0,1},
{1,0,1,0,0,0,1,0,0,1},
{1,0,1,1,1,0,1,1,0,1},
{1,1,0,0,0,0,0,0,0,1},
{1,1,1,1,1,1,1,1,1,1}
};
int mgpath(int xi,int yi,int xe,int ye);
void main()
{
if(mgpath(1,1,8,8))
{
printf("找到解:\n");
}
else
{
printf("未找到迷宫出路\n");
}
}
int mgpath(int xi,int yi,int xe,int ye)
{
int top=-1;
int i,j,k,di,find;
top++;
st[top].i=xi;
st[top].j=yi;
st[top].di=-1;
mg[1][1]=-1;
while(top>-1)
{
i=st[top].i;
j=st[top].j;
di=st[top].di;
if(i==xe&&j==ye)
{
printf("迷宫路径如下: \n");
for(k=0;k<=top;k++)
{
printf("\t (%d,%d)",st[k].i,st[k].j);
if((k+1)%5==0)
printf("\n");
}
printf("\n");
return 1;
}
find=0;
while(di<4&&find==0)
{
di++;
switch(di)
{
case 0:
i=st[top].i-1;
j=st[top].j;
break;
case 1:
i=st[top].i;
j=st[top].j+1;
break;
case 2:
i=st[top].i+1;
j=st[top].j;
break;
case 3:
i=st[top].i;
j=st[top].j-1;
break;
}
if(mg[i][j]==0)
find=1;
}
if(find==1)
{
st[top].di=di;
top++;
st[top].i=i;
st[top].j=j;
st[top].di=-1;
mg[i][j]=-1;
}
else
{
mg[st[top].i][st[top].j]=0;
top--;
}
}
return 0;
}