Compilare: main.cpp:31: warning: ignoring '#pragma region vecin' [-Wunknown-pragmas] 31 | #pragma region vecin | main.cpp:53: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 53 | #pragma endregion | main.cpp:55: warning: ignoring '#pragma region muchie' [-Wunknown-pragmas] 55 | #pragma region muchie | main.cpp:183: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 183 | #pragma endregion | main.cpp:520: warning: ignoring '#pragma region graf' [-Wunknown-pragmas] 520 | #pragma region graf & auxiliare | main.cpp:1705: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas] 1705 | #pragma endregion | main.cpp:45:81: warning: friend declaration 'std::ostream& operator<<(std::ostream&, const vecin<moneda>&)' declares a non-template function [-Wnon-template-friend] 45 | friend std::ostream& operator<<(std::ostream& out, const vecin<moneda>& vecinul); | ^ main.cpp:45:81: note: (if this is not what you intended, make sure the function template has already been declared and add '<>' after the function name here)