Unnamed

c:/msys/mingw/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_iterator.h: In constructor `__gnu_cxx::__normal_iterator<_Iterator, _Container>::__normal_iterator(const __gnu_cxx::__normal_iterator<_Iter, _Container>&) [with _Iter = const char*, _Iterator = char*, _Container = std::basic_string<char, std::char_traits<char>, std::allocator<char> >]':src/numbers.cpp:37:   instantiated from herec:/msys/mingw/bin/../lib/gcc/mingw32/3.4.5/../../../../include/c++/3.4.5/bits/stl_iterator.h:609: error: invalid conversion from `const char* const' to `char*'