Eroare de compilare: main.cpp:25:1: error: invalid use of template-name 'std::deque' without an argument list std::deque dq; ^~~ In file included from /usr/include/c++/6/deque:64:0, from main.cpp:1: /usr/include/c++/6/bits/stl_deque.h:829:11: note: 'template<class _Tp, class _Alloc> class std::deque' declared here class deque : protected _Deque_base<_Tp, _Alloc> ^~~~~ main.cpp: In function 'void leeDeque()': main.cpp:34:5: error: 'dq' was not declared in this scope dq.push_front({1, 1}); // Introducem în deque prima celulă. ^~ Non zero exit status: 1