base operand of `->' has non-pointer type
32 G:\代码\成对的字符串.cpp base operand of `->' has non-pointer type `std::map<int, int, std::less<int>, std::allocator<std::pair<const int, int> > >'
for(multimap<char,map<int,int> >::iterator itor=test.begin();itor!=test.end();++itor)
if(itor->second->first==1) //这一行
++itor->second->second; //每一次迭代增加每一个距离