pos++;
if(pos>d1) continue;//注意题目范围 这句很阴啊
if(kk==1)
{
if(ch==s2[pos]) val=1;
else
val=0;
s1[pos]=ch;
}
else
{
if(ch==s1[pos]) val=1;
else val=0;
s2[pos]=ch;
update(pos,val,1);
}
else
{
int left;
scanf("%d",&left);
left++;
printf("%d\n",query(left,1));
}
}
}
return 0;
}