Borderou de evaluare (job #782940)

Eroare de compilare: main.cpp:3:14: error: variable 'std::ifstream cin' has initializer but incomplete type 3 | ifstream cin ("cozonaci.in"); | ^ main.cpp:4:15: error: variable 'std::ofstream cout' has initializer but incomplete type 4 | ofstream cout ("cozonaci.out"); | ^ main.cpp: In function 'int main()': main.cpp:10:5: error: reference to 'cin' is ambiguous 10 | cin >> n; | ^~~ In file included from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:62:18: note: candidates are: 'std::istream std::cin' 62 | extern istream cin; ///< Linked to standard input | ^~~ main.cpp:3:10: note: '<typeprefixerror>cin' 3 | ifstream cin ("cozonaci.in"); | ^~~ main.cpp:13:9: error: reference to 'cout' is ambiguous 13 | cout << 0 << endl; | ^~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:63:18: note: candidates are: 'std::ostream std::cout' 63 | extern ostream cout; ///< Linked to standard output | ^~~~ main.cpp:4:10: note: '<typeprefixerror>cout' 4 | ofstream cout ("cozonaci.out"); | ^~~~ main.cpp:14:9: error: reference to 'cout' is ambiguous 14 | cout << 0 << endl; | ^~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:63:18: note: candidates are: 'std::ostream std::cout' 63 | extern ostream cout; ///< Linked to standard output | ^~~~ main.cpp:4:10: note: '<typeprefixerror>cout' 4 | ofstream cout ("cozonaci.out"); | ^~~~ main.cpp:18:5: error: reference to 'cin' is ambiguous 18 | cin >> f >> r; | ^~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:62:18: note: candidates are: 'std::istream std::cin' 62 | extern istream cin; ///< Linked to standard input | ^~~ main.cpp:3:10: note: '<typeprefixerror>cin' 3 | ifstream cin ("cozonaci.in"); | ^~~ main.cpp:23:9: error: reference to 'cin' is ambiguous 23 | cin >> f >> r; | ^~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:62:18: note: candidates are: 'std::istream std::cin' 62 | extern istream cin; ///< Linked to standard input | ^~~