Eroare de compilare: user.cpp: In function ‘void bfs(int)’: user.cpp:50:4: error: ‘class std::queue<Node*>’ has no member named ‘push_back’ q.push_back(graph[start]); ^ user.cpp:56:5: error: ‘class std::queue<Node*>’ has no member named ‘pop_front’ q.pop_front(); ^ user.cpp:58:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < n->adj.size(); i++) ^ user.cpp:63:7: error: ‘class std::queue<Node*>’ has no member named ‘push_back’ q.push_back (n->adj[i]); ^