Eroare de compilare: main.cpp:6:14: error: variable 'std::ifstream cin' has initializer but incomplete type ifstream cin ("compact3.in"); ^ main.cpp:7:15: error: variable 'std::ofstream cout' has initializer but incomplete type ofstream cout ("compact3.out"); ^ main.cpp: In function 'int main()': main.cpp:36:2: error: reference to 'cin' is ambiguous cin >> n >> valmax; ^~~ main.cpp:6:10: note: candidates are: <typeprefixerror>cin ifstream cin ("compact3.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 ^~~ main.cpp:40:3: error: reference to 'cin' is ambiguous cin >> a[i]; ^~~ main.cpp:6:10: note: candidates are: <typeprefixerror>cin ifstream cin ("compact3.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 ^~~ main.cpp:58:2: error: reference to 'cout' is ambiguous cout << grupa << '\n'; ^~~~ main.cpp:7:10: note: candidates are: <typeprefixerror>cout ofstream cout ("compact3.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:59:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < ans.size(); ++i) ~~^~~~~~~~~~~~ main.cpp:60:5: error: reference to 'cout' is ambiguous cout << ans[i] << ' '; ^~~~ main.cpp:7:10: note: candidates are: <typeprefixerror>cout ofstream cout ("compact3.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