Eroare de compilare: user.cpp: In function ‘void add(int, int, int)’: user.cpp:32:44: error: no matching function for call to ‘std::vector<std::pair<int, std::vector<int> > >::push_back(std::pair<int, int>)’ H[key].push_back(make_pair(time, 0)); ^ user.cpp:32:44: note: candidates are: In file included from /usr/include/c++/4.8/vector:64:0, from user.cpp:2: /usr/include/c++/4.8/bits/stl_vector.h:901:7: note: void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, std::vector<int> >; _Alloc = std::allocator<std::pair<int, std::vector<int> > >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, std::vector<int> >] push_back(const value_type& __x) ^ /usr/include/c++/4.8/bits/stl_vector.h:901:7: note: no known conversion for argument 1 from ‘std::pair<int, int>’ to ‘const value_type& {aka const std::pair<int, std::vector<int> >&}’ /usr/include/c++/4.8/bits/stl_vector.h:919:7: note: void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<int, std::vector<int> >; _Alloc = std::allocator<std::pair<int, std::vector<int> > >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, std::vector<int> >] push_back(value_type&& __x) ^ /usr/include/c++/4.8/bits/stl_vector.h:919:7: note: no known conversion for argument 1 from ‘std::pair<int, int>’ to ‘std::vector<std::pair<int, std::vector<int> > >::value_type&& {aka std::pair<int, std::vector<int> >&&}’