Eroare de compilare: main.cpp:7:13: error: variable 'std::ifstream cin' has initializer but incomplete type ifstream cin("oite.in"); ^ main.cpp:8:14: error: variable 'std::ofstream cout' has initializer but incomplete type ofstream cout("oite.out"); ^ main.cpp: In function 'int main()': main.cpp:17:5: error: reference to 'cin' is ambiguous cin >> n >> l; ^~~ main.cpp:7:10: note: candidates are: <typeprefixerror>cin ifstream cin("oite.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:20:9: error: reference to 'cin' is ambiguous cin >> v[i]; ^~~ main.cpp:7:10: note: candidates are: <typeprefixerror>cin ifstream cin("oite.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:27:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (q=0; q<h[s%MOD].size(); q++) ~^~~~~~~~~~~~~~~~ main.cpp:39:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (q=0; q<h[s%MOD].size(); q++) ~^~~~~~~~~~~~~~~~ main.cpp:47:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (q == h[s%MOD].size()) ~~^~~~~~~~~~~~~~~~~~ main.cpp:53:5: error: reference to 'cout' is ambiguous cout << sol; ^~~~ main.cpp:8:10: note: candidates are: <typeprefixerror>cout ofstream cout("oite.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