Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:68:5: error: reference to ‘ref’ is ambiguous ref[j] = si[v[i]%12]; ^ user.cpp:11:6: note: candidates are: char ref [5] char ref[5]; ^ In file included from /usr/include/c++/4.8/bits/stl_algo.h:66:0, from /usr/include/c++/4.8/algorithm:62, from user.cpp:2: /usr/include/c++/4.8/functional:493:5: note: template<class _Tp> std::reference_wrapper<_Tp> std::ref(std::reference_wrapper<_Tp>) ref(reference_wrapper<_Tp> __t) noexcept ^ /usr/include/c++/4.8/functional:485:10: note: template<class _Tp> void std::ref(const _Tp&&) void ref(const _Tp&&) = delete; ^ /usr/include/c++/4.8/functional:475:5: note: template<class _Tp> std::reference_wrapper<_Tp> std::ref(_Tp&) ref(_Tp& __t) noexcept ^ user.cpp:73:9: error: reference to ‘ref’ is ambiguous out<<ref<<'\n'; ^ user.cpp:11:6: note: candidates are: char ref [5] char ref[5]; ^ In file included from /usr/include/c++/4.8/bits/stl_algo.h:66:0, from /usr/include/c++/4.8/algorithm:62, from user.cpp:2: /usr/include/c++/4.8/functional:493:5: note: template<class _Tp> std::reference_wrapper<_Tp> std::ref(std::reference_wrapper<_Tp>) ref(reference_wrapper<_Tp> __t) noexcept ^ /usr/include/c++/4.8/functional:485:10: note: template<class _Tp> void std::ref(const _Tp&&) void ref(const _Tp&&) = delete; ^ /usr/include/c++/4.8/functional:475:5: note: template<class _Tp> std::reference_wrapper<_Tp> std::ref(_Tp&) ref(_Tp& __t) noexcept ^