Borderou de evaluare (job #545739)

Eroare de compilare: user.cpp: In function ‘void read()’: user.cpp:27:3: error: reference to ‘cin’ is ambiguous user.cpp:3:10: error: candidates are: std::ifstream cin /usr/include/c++/4.6/iostream:61:18: error: std::istream std::cin user.cpp:28:3: error: reference to ‘cin’ is ambiguous user.cpp:3:10: error: candidates are: std::ifstream cin /usr/include/c++/4.6/iostream:61:18: error: std::istream std::cin user.cpp:31:6: error: reference to ‘cin’ is ambiguous user.cpp:3:10: error: candidates are: std::ifstream cin /usr/include/c++/4.6/iostream:61:18: error: std::istream std::cin user.cpp:36:28: error: reference to ‘cout’ is ambiguous user.cpp:4:10: error: candidates are: std::ofstream cout /usr/include/c++/4.6/iostream:62:18: error: std::ostream std::cout user.cpp:37:17: error: reference to ‘cout’ is ambiguous user.cpp:4:10: error: candidates are: std::ofstream cout /usr/include/c++/4.6/iostream:62:18: error: std::ostream std::cout user.cpp:38:23: error: reference to ‘cout’ is ambiguous user.cpp:4:10: error: candidates are: std::ofstream cout /usr/include/c++/4.6/iostream:62:18: error: std::ostream std::cout user.cpp:39:16: error: reference to ‘cout’ is ambiguous user.cpp:4:10: error: candidates are: std::ofstream cout /usr/include/c++/4.6/iostream:62:18: error: std::ostream std::cout user.cpp:41:8: error: reference to ‘cout’ is ambiguous user.cpp:4:10: error: candidates are: std::ofstream cout /usr/include/c++/4.6/iostream:62:18: error: std::ostream std::cout