Compilare: user.cpp: In member function ‘std::vector<int> drum_class::get_ends(int)’: user.cpp:158:7: warning: unused variable ‘px’ [-Wunused-variable] int px = get_poz(x), sx = rx->sz; ^ user.cpp: In member function ‘bool drum_class::rem_muc(int, int)’: user.cpp:142:18: warning: control reaches end of non-void function [-Wreturn-type] split(rx, py); } ^