Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:25:5: error: reference to ‘cin’ is ambiguous cin >> T; ^~~ user.cpp:5:10: note: candidates are: std::ifstream cin ifstream cin("euclid2.in"); ^~~ In file included from user.cpp:1:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ user.cpp:28:9: error: reference to ‘cin’ is ambiguous cin >> a >> b; ^~~ user.cpp:5:10: note: candidates are: std::ifstream cin ifstream cin("euclid2.in"); ^~~ In file included from user.cpp:1:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ user.cpp:30:9: error: reference to ‘cout’ is ambiguous cout << gcd(a,b) << endl; ^~~~ user.cpp:6:10: note: candidates are: std::ofstream cout ofstream cout("euclid2.out"); ^~~~ In file included from user.cpp:1:0: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~