Eroare de compilare: main.cpp: In function 'int main()': main.cpp:16:5: error: reference to 'cin' is ambiguous 16 | cin >> n; | ^~~ In file included from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:75, from main.cpp:1: /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:12:10: note: 'std::ifstream cin' 12 | ifstream cin("biperm.in"); | ^~~ main.cpp:19:9: error: reference to 'cin' is ambiguous 19 | cin >> a[i]; | ^~~ /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:12:10: note: 'std::ifstream cin' 12 | ifstream cin("biperm.in"); | ^~~ main.cpp:23:9: error: reference to 'cin' is ambiguous 23 | cin >> b[i]; | ^~~ /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:12:10: note: 'std::ifstream cin' 12 | ifstream cin("biperm.in"); | ^~~ main.cpp:39:35: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for (int k = 0; k < pos[next].size(); ++k) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:63:5: error: reference to 'cout' is ambiguous 63 | cout << (1 << cnt) << " " << res << '\n'; | ^~~~ /usr/include/c++/12.2.1/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:13:10: note: 'std::ofstream cout' 13 | ofstream cout("biperm.out"); | ^~~~ main.cpp:66:9: error: reference to 'cout' is ambiguous 66 | cout << a[i] << " "; | ^~~~ /usr/include/c++/12.2.1/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:13:10: note: 'std::ofstream cout' 13 | ofstream cout("biperm.out"); Non zero exit status: 1