Borderou de evaluare (job #325633)

Eroare de compilare: user.cpp: In function ‘void solve1()’: user.cpp:16:9: error: reference to ‘cin’ is ambiguous user.cpp:10:10: error: candidates are: std::ifstream cin /usr/include/c++/4.6/iostream:61:18: error: std::istream std::cin user.cpp:32:5: error: reference to ‘cout’ is ambiguous user.cpp:11:10: error: candidates are: std::ofstream cout /usr/include/c++/4.6/iostream:62:18: error: std::ostream std::cout user.cpp: In function ‘void solve2()’: user.cpp:39:9: error: reference to ‘cout’ is ambiguous user.cpp:11:10: error: candidates are: std::ofstream cout /usr/include/c++/4.6/iostream:62:18: error: std::ostream std::cout user.cpp:49:17: error: reference to ‘cout’ is ambiguous user.cpp:11:10: error: candidates are: std::ofstream cout /usr/include/c++/4.6/iostream:62:18: error: std::ostream std::cout user.cpp:53:5: error: reference to ‘cout’ is ambiguous user.cpp:11:10: error: candidates are: std::ofstream cout /usr/include/c++/4.6/iostream:62:18: error: std::ostream std::cout user.cpp: In function ‘int main()’: user.cpp:57:5: error: reference to ‘cin’ is ambiguous user.cpp:10:10: error: candidates are: std::ifstream cin /usr/include/c++/4.6/iostream:61:18: error: std::istream std::cin