Eroare de compilare: user.cpp: In function ‘int trav(int, int)’: user.cpp:14:7: error: ‘class std::queue<std::pair<int, int> >’ has no member named ‘emplace_back’ Q.emplace_back(1,1); ^ user.cpp:18:11: error: ‘class std::queue<std::pair<int, int> >’ has no member named ‘pop_front’ Q.pop_front(); ^ user.cpp:29:23: error: ‘class std::queue<std::pair<int, int> >’ has no member named ‘emplace_back’ Q.emplace_back(X,Y); ^ user.cpp:31:24: error: ‘class std::queue<std::pair<int, int> >’ has no member named ‘emplace_front’ else Q.emplace_front(X,Y); ^