Eroare de compilare: user.cpp:5:13: error: variable ‘std::ifstream cin’ has initializer but incomplete type ifstream cin("combinari.in"); ^ user.cpp:6:14: error: variable ‘std::ofstream cout’ has initializer but incomplete type ofstream cout("combinari.out"); ^ user.cpp: In function ‘void Afis()’: user.cpp:15:9: error: reference to ‘cout’ is ambiguous cout << st[i] << " "; ^~~~ user.cpp:6:10: note: candidates are: <typeprefixerror>cout ofstream cout("combinari.out"); ^~~~ In file included from user.cpp:1:0: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ user.cpp:16:5: error: reference to ‘cout’ is ambiguous cout << '\n'; ^~~~ user.cpp:6:10: note: candidates are: <typeprefixerror>cout ofstream cout("combinari.out"); ^~~~ In file included from user.cpp:1:0: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ user.cpp: In function ‘int main()’: user.cpp:40:5: error: reference to ‘cin’ is ambiguous cin >> n >> k; ^~~ user.cpp:5:10: note: candidates are: <typeprefixerror>cin ifstream cin("combinari.in"); ^~~ In file included from user.cpp:1:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~