Eroare de compilare: In file included from /usr/include/c++/3.3/backward/fstream.h:31, from user.cpp:1: /usr/include/c++/3.3/backward/backward_warning.h:32:2: warning: #warning This file includes at least one deprecated or antiquated header. Please consider using one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include substituting the <X> header for the <X.h> header for C++ includes, or <sstream> instead of the deprecated header <strstream.h>. To disable this warning use -Wno-deprecated. user.cpp: In function `int main()': user.cpp:7: error: ambiguous overload for 'operator>>' in ' (&fin)->std::basic_istream<_CharT, _Traits>::operator>> [with _CharT = char, _Traits = std::char_traits<char>]((&a)) >> "\n"' /usr/include/c++/3.3/istream:690: error: candidates are: std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char*) [with _Traits = std::char_traits<char>] <near match> /usr/include/c++/3.3/istream:685: error: std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*) [with _Traits = std::char_traits<char>] <near match> user.cpp:14:5: warning: no newline at end of file