Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:5:1: error: ‘fstream’ was not declared in this scope fstream.open("cmmmdc.in",ios::in) ^ user.cpp:5:1: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from user.cpp:1: /usr/include/c++/4.8/iosfwd:163:33: note: ‘std::fstream’ typedef basic_fstream<char> fstream; ^ user.cpp:5:26: error: ‘ios’ has not been declared fstream.open("cmmmdc.in",ios::in) ^ user.cpp:6:1: error: expected ‘;’ before ‘gstream’ gstream.open("cmmmdc.out",ios::out) ^ user.cpp:8:1: error: ‘f’ was not declared in this scope f>>b; ^ user.cpp:14:1: error: ‘g’ was not declared in this scope g<<a; ^ user.cpp:16:1: error: expected ‘;’ before ‘gstream’ gstream.close() ^