Eroare de compilare: main.cpp:8:13: error: variable 'std::ifstream cin' has initializer but incomplete type ifstream cin("tnia.in"); ^ main.cpp:9:14: error: variable 'std::ofstream cout' has initializer but incomplete type ofstream cout("tnia.out"); ^ main.cpp: In function 'int main()': main.cpp:13:5: error: reference to 'cout' is ambiguous cout << "30\n6\n5\n0\n6"; ^~~~ main.cpp:9:10: note: candidates are: <typeprefixerror>cout ofstream cout("tnia.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 ^~~~ Non zero exit status: 1