View Compilation Error

0_0_3134693_29556.cpp: In function `int main()':
0_0_3134693_29556.cpp:36: error: no match for 'operator==' in '(&ii)->std::_Rb_tree_iterator<_Tp>::operator* [with _Tp = std::pair<const std::string, std::string>]() == (&it)->std::_Rb_tree_const_iterator<_Tp>::operator* [with _Tp = std::string]()'
0_0_3134693_29556.cpp:37: error: no match for 'operator[]' in 'num[ii]'
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/c++/3.4.2/bits/stl_map.h:332: note: candidates are: _Tp& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const _Key&) [with _Key = std::string, _Tp = int, _Compare = std::less<std::string>, _Alloc = std::allocator<std::pair<const std::string, int> >]