Eroare de compilare: user.cpp: In function ‘void Dijkstra(int, VI&)’: user.cpp:49:10: error: ‘class std::vector<std::pair<int, int> >’ has no member named ‘first’ y = p.first; ^ user.cpp:50:10: error: ‘class std::vector<std::pair<int, int> >’ has no member named ‘second’ w = p.second; ^ user.cpp: In function ‘void Read()’: user.cpp:64:4: error: request for member ‘resize’ in ‘G’, which is of non-class type ‘std::vector<std::vector<std::pair<int, int> > > [50001]’ G.resize(n + 1); ^ user.cpp:69:20: error: no matching function for call to ‘std::vector<std::vector<std::pair<int, int> > >::push_back(<brace-enclosed initializer list>)’ G[x].pb({y, cost}); ^ user.cpp:69:20: 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::vector<std::pair<int, int> >; _Alloc = std::allocator<std::vector<std::pair<int, int> > >; std::vector<_Tp, _Alloc>::value_type = std::vector<std::pair<int, 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 ‘<brace-enclosed initializer list>’ to ‘const value_type& {aka const std::vector<std::pair<int, 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::vector<std::pair<int, int> >; _Alloc = std::allocator<std::vector<std::pair<int, int> > >; std::vector<_Tp, _Alloc>::value_type = std::vector<std::pair<int, 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 ‘<brace-enclosed initializer list>’ to ‘std::vector<std::vector<std::pair<int, int> > >::value_type&& {aka std::vector<std::pair<int, int> >&&}’