Eroare de compilare: user.cpp: In function ‘void bf2()’: user.cpp:53: error: no match for ‘operator=’ in ‘it = g1[q.std::queue<_Tp, _Sequence>::front [with _Tp = int, _Sequence = std::deque<int, std::allocator<int> >]()]’ /usr/include/c++/4.4/bits/stl_iterator.h:669: note: candidates are: __gnu_cxx::__normal_iterator<int*, std::vector<int, std::allocator<int> > >& __gnu_cxx::__normal_iterator<int*, std::vector<int, std::allocator<int> > >::operator=(const __gnu_cxx::__normal_iterator<int*, std::vector<int, std::allocator<int> > >&) user.cpp:53: error: no match for ‘operator!=’ in ‘it != g1[q.std::queue<_Tp, _Sequence>::front [with _Tp = int, _Sequence = std::deque<int, std::allocator<int> >]()]’