UVa 227 Puzzle(谜题)

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char map[6][7];
int blanx,blany;//空格处
int change(char ch)
{

if(ch=='A'){
if(blanx==1)
return 0;
map[blanx][blany]=map[blanx-1][blany];
map[blanx-1][blany]=' ';
blanx=blanx-1;
}
else if(ch=='B'){
if(blanx==5)
return 0;
map[blanx][blany]=map[blanx+1][blany];
map[blanx+1][blany]=' ';
blanx=blanx+1;
}
else if(ch=='L'){
if(blany==1)
return 0;
map[blanx][blany]=map[blanx][blany-1];
map[blanx][blany-1]=' ';
blany=blany-1;
}
else if(ch=='R'){
if(blany==5)
return 0;
map[blanx][blany]=map[blanx][blany+1];
map[blanx][blany+1]=' ';
blany=blany+1;
}
else
return 0;
return 1;
}
int main()
{
int count=0;
int getre;
while(gets(map[1]+1)!=EOF){
count++;
getre=1;
if(map[1][1]=='Z')
break;
for(int i=2;i<=5;i++)
gets(map[i]+1);
for(int i=1;i<=5;i++)
for(int j=1;j<=5;j++){
if(map[i][j]==' '){
blanx=i;
blany=j;
break;
}
}
char ch;
while((ch=getchar())!='0'){
if(ch!='\n'&&ch!=' '&&ch!='\r'&&getre)
getre=change(ch);
}
getchar();
if(count>1)
printf("%c",'\n');
printf("Puzzle #%d:\n",count);
if(getre==0)
printf("This puzzle has no final configuration.\n");
else{
for(int i=1;i<=5;i++){
for(int j=1;j<=5;j++)
printf("%c%c",map[i][j],j==5?'\n':' ');
}
}
}
return 0;
}