Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:16:7: error: reference to ‘cin’ is ambiguous cin>>n; ^ user.cpp:11:10: note: candidates are: std::ifstream cin ifstream cin("drepte2.in"); ^ In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ user.cpp:17:17: error: reference to ‘cout’ is ambiguous if (n==0) cout<<"1"; else ^ user.cpp:12:10: note: candidates are: std::ofstream cout ofstream cout("drepte2.out"); ^ In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^ user.cpp:18:17: error: reference to ‘cout’ is ambiguous if (n==1) cout<<"2"; else ^ user.cpp:12:10: note: candidates are: std::ofstream cout ofstream cout("drepte2.out"); ^ In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^ user.cpp:19:33: error: reference to ‘cout’ is ambiguous if (n%2==0) { m=n/2; l=m; cout<<((m+1)*(l+1)); ^ user.cpp:12:10: note: candidates are: std::ofstream cout ofstream cout("drepte2.out"); ^ In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^ user.cpp:20:29: error: reference to ‘cout’ is ambiguous } else { m=n/2; l=m+1; cout<<((m+1)*(l+1)); ^ user.cpp:12:10: note: candidates are: std::ofstream cout ofstream cout("drepte2.out"); ^ In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output