Eroare de compilare: main.cpp:6:13: error: variable 'std::ifstream cin' has initializer but incomplete type ifstream cin("armonica.in"); ^ main.cpp:7:14: error: variable 'std::ofstream cout' has initializer but incomplete type ofstream cout("aromonica.out"); ^ main.cpp: In function 'void write()': main.cpp:56:5: error: reference to 'cout' is ambiguous cout<<nr_solutii*2-1<<'\n'; ^~~~ main.cpp:7:10: note: candidates are: <typeprefixerror>cout ofstream cout("aromonica.out"); ^~~~ In file included from main.cpp:1:0: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ main.cpp:58:9: error: reference to 'cout' is ambiguous cout<<rez[1][i]<<' '<<rez[2][i]<<'\n'; ^~~~ main.cpp:7:10: note: candidates are: <typeprefixerror>cout ofstream cout("aromonica.out"); ^~~~ In file included from main.cpp:1:0: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ main.cpp:60:13: error: reference to 'cout' is ambiguous cout<<rez[2][i]<<' '<<rez[1][i]<<'\n'; ^~~~ main.cpp:7:10: note: candidates are: <typeprefixerror>cout ofstream cout("aromonica.out"); ^~~~ In file included from main.cpp:1:0: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ main.cpp: In function 'int main()': main.cpp:65:5: error: reference to 'cin' is ambiguous cin>>b; ^~~ main.cpp:6:10: note: candidates are: <typeprefixerror>cin ifstream cin("armonica.in"); ^~~ In file included from main.cpp:1:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ Non zero exit status: 1