Borderou de evaluare (job #685190)

Eroare de compilare: main.cpp:8:14: error: variable 'std::ifstream cin' has initializer but incomplete type 8 | ifstream cin ("permutari1.in"); | ^ main.cpp:9:15: error: variable 'std::ofstream cout' has initializer but incomplete type 9 | ofstream cout ("permutari1.out"); | ^ main.cpp: In function 'long long int perm(long long int, long long int)': main.cpp:32:1: warning: no return statement in function returning non-void [-Wreturn-type] 32 | } | ^ main.cpp: In function 'int32_t main()': main.cpp:36:12: error: reference to 'cin' is ambiguous 36 | int n; cin >> n; | ^~~ In file included from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/11.3.0/include/g++-v11/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:8:10: note: '<typeprefixerror>cin' 8 | ifstream cin ("permutari1.in"); | ^~~ main.cpp:40:12: error: reference to 'cin' is ambiguous 40 | while (cin >> a) | ^~~ In file included from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/11.3.0/include/g++-v11/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:8:10: note: '<typeprefixerror>cin' 8 | ifstream cin ("permutari1.in"); | ^~~ main.cpp:45:5: error: reference to 'cout' is ambiguous 45 | cout << sum << '\n'; | ^~~~ In file included from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/11.3.0/include/g++-v11/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:9:10: note: '<typeprefixerror>cout' 9 | ofstream cout ("permutari1.out"); | ^~~~