prog.cpp: In function ‘int main()’:
prog.cpp:8:5: error: reference to ‘distance’ is ambiguous
distance = 2;
^
prog.cpp:5:5: note: candidates are: int distance
int distance;
^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0,
from /usr/include/c++/4.8/bits/char_traits.h:39,
from /usr/include/c++/4.8/ios:40,
from /usr/include/c++/4.8/ostream:38,
from /usr/include/c++/4.8/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator_base_funcs.h:114:5: note: template<class _InputIterator> typename std::iterator_traits<_Iterator>::difference_type std::distance(_InputIterator, _InputIterator)
distance(_InputIterator __first, _InputIterator __last)
^