Borderou de evaluare (job #288296)

Eroare de compilare: user.cpp:4:40: error: use of deleted function 'std::basic_ifstream<char>::basic_ifstream(const std::basic_ifstream<char>&)' In file included from user.cpp:1:0: /usr/include/c++/4.6/fstream:420:11: error: 'std::basic_ifstream<char>::basic_ifstream(const std::basic_ifstream<char>&)' is implicitly deleted because the default definition would be ill-formed: /usr/include/c++/4.6/fstream:420:11: error: use of deleted function 'std::basic_istream<char>::basic_istream(const std::basic_istream<char>&)' In file included from /usr/include/c++/4.6/fstream:40:0, from user.cpp:1: /usr/include/c++/4.6/istream:57:11: error: 'std::basic_istream<char>::basic_istream(const std::basic_istream<char>&)' is implicitly deleted because the default definition would be ill-formed: /usr/include/c++/4.6/istream:57:11: error: use of deleted function 'std::basic_ios<char>::basic_ios(const std::basic_ios<char>&)' In file included from /usr/include/c++/4.6/ios:45:0, from /usr/include/c++/4.6/istream:40, from /usr/include/c++/4.6/fstream:40, from user.cpp:1: /usr/include/c++/4.6/bits/basic_ios.h:64:11: error: 'std::basic_ios<char>::basic_ios(const std::basic_ios<char>&)' is implicitly deleted because the default definition would be ill-formed: /usr/include/c++/4.6/bits/ios_base.h:788:5: error: 'std::ios_base::ios_base(const std::ios_base&)' is private /usr/include/c++/4.6/bits/basic_ios.h:64:11: error: within this context In file included from /usr/include/c++/4.6/fstream:40:0, from user.cpp:1: /usr/include/c++/4.6/istream:57:11: error: use of deleted function 'std::basic_ios<char>::basic_ios(const std::basic_ios<char>&)' In file included from user.cpp:1:0: /usr/include/c++/4.6/fstream:420:11: error: use of deleted function 'std::basic_ios<char>::basic_ios(const std::basic_ios<char>&)' /usr/include/c++/4.6/fstream:420:11: error: use of deleted function 'std::basic_filebuf<char>::basic_filebuf(const std::basic_filebuf<char>&)' /usr/include/c++/4.6/fstream:69:11: error: 'std::basic_filebuf<char>::basic_filebuf(const std::basic_filebuf<char>&)' is implicitly deleted because the default definition would be ill-formed: /usr/include/c++/4.6/streambuf:782:7: error: 'std::basic_streambuf<_CharT, _Traits>::basic_streambuf(const __streambuf_type&) [with _CharT = char, _Traits = std::char_traits<char>, std::basic_streambuf<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]' is private /usr/include/c++/4.6/fstream:69:11: error: within this context user.cpp:5:42: error: use of deleted function 'std::basic_ofstream<char>::basic_ofstream(const std::basic_ofstream<char>&)' In file included from user.cpp:1:0: /usr/include/c++/4.6/fstream:588:11: error: 'std::basic_ofstream<char>::basic_ofstream(const std::basic_ofstream<char>&)' is implicitly deleted because the default definition would be ill-formed: /usr/include/c++/4.6/fstream:588:11: error: use of deleted function 'std::basic_ostream<char>::basic_ostream(const std::basic_ostream<char>&)' In file included from /usr/include/c++/4.6/istream:41:0, from /usr/include/c++/4.6/fstream:40, from user.cpp:1: /usr/include/c++/4.6/ostream:57:11: error: 'std::basic_ostream<char>::basic_ostream(const std::basic_ostream<char>&)' is implicitly deleted because the default definition would be ill-formed: /usr/include/c++/4.6/ostream:57:11: error: use of deleted function 'std::basic_ios<char>::basic_ios(const std::basic_ios<char>&)' /usr/include/c++/4.6/ostream:57:11: error: use of deleted function 'std::basic_ios<char>::basic_ios(const std::basic_ios<char>&)' In file included from user.cpp:1:0: /usr/include/c++/4.6/fstream:588:11: error: use of deleted function 'std::basic_ios<char>::basic_ios(const std::basic_ios<char>&)' /usr/include/c++/4.6/fstream:588:11: error: use of deleted function 'std::basic_filebuf<char>::basic_filebuf(const std::basic_filebuf<char>&)' user.cpp: In function 'int wrong_digit(int, int)': user.cpp:16:1: warning: control reaches end of non-void function [-Wreturn-type]