Eroare de compilare: user.cpp: In function ‘void Read()’: user.cpp:45:14: error: request for member ‘push_back’ in ‘G.std::vector<_Tp, _Alloc>::operator[]<int, std::allocator<int> >(((std::vector<int>::size_type)x))’, which is of non-class type ‘__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}’ G[x].push_back(y); ^ user.cpp:46:14: error: request for member ‘push_back’ in ‘G.std::vector<_Tp, _Alloc>::operator[]<int, std::allocator<int> >(((std::vector<int>::size_type)y))’, which is of non-class type ‘__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}’ G[y].push_back(x); ^ user.cpp: In function ‘void DFS(int)’: user.cpp:52:24: error: request for member ‘size’ in ‘G.std::vector<_Tp, _Alloc>::operator[]<int, std::allocator<int> >(((std::vector<int>::size_type)x))’, which is of non-class type ‘__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}’ for(int i=0;i<G[x].size();++i) ^ user.cpp:53:20: error: invalid types ‘__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}[int]’ for array subscript if(v[G[x][i]]==0) DFS(G[x][i])); ^ user.cpp:53:37: error: invalid types ‘__gnu_cxx::__alloc_traits<std::allocator<int> >::value_type {aka int}[int]’ for array subscript if(v[G[x][i]]==0) DFS(G[x][i])); ^ user.cpp:53:39: error: expected ‘;’ before ‘)’ token if(v[G[x][i]]==0) DFS(G[x][i])); ^