Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:46: error: no match for ‘operator+’ in ‘((std::vector<int, std::allocator<int> >*)d.std::vector<_Tp, _Alloc>::operator[] [with _Tp = std::vector<int, std::allocator<int> >, _Alloc = std::allocator<std::vector<int, std::allocator<int> > >](0u))->std::vector<_Tp, _Alloc>::operator[] [with _Tp = int, _Alloc = std::allocator<int>](((unsigned int)v.std::vector<_Tp, _Alloc>::operator[] [with _Tp = int, _Alloc = std::allocator<int>](0u))) + d.std::vector<_Tp, _Alloc>::operator[] [with _Tp = std::vector<int, std::allocator<int> >, _Alloc = std::allocator<std::vector<int, std::allocator<int> > >](((unsigned int)v.std::vector<_Tp, _Alloc>::operator[] [with _Tp = int, _Alloc = std::allocator<int>](0u)))’ /usr/include/c++/4.4/bits/stl_bvector.h:264: note: candidates are: std::_Bit_iterator std::operator+(ptrdiff_t, const std::_Bit_iterator&) /usr/include/c++/4.4/bits/stl_bvector.h:350: note: std::_Bit_const_iterator std::operator+(ptrdiff_t, const std::_Bit_const_iterator&) user.cpp:46: error: expected ‘;’ before ‘]’ token user.cpp:48: error: expected ‘)’ before ‘out’