Eroare de compilare: user.cpp:6:13: warning: character constant too long for its type [enabled by default] ifstream in('fact.in'); ^ user.cpp:7:14: warning: character constant too long for its type [enabled by default] ofstream out('fact.out'); ^ user.cpp:6:22: error: invalid conversion from ‘int’ to ‘const char*’ [-fpermissive] ifstream in('fact.in'); ^ In file included from user.cpp:2:0: /usr/include/c++/4.8/fstream:467:7: error: initializing argument 1 of ‘std::basic_ifstream<_CharT, _Traits>::basic_ifstream(const char*, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; std::ios_base::openmode = std::_Ios_Openmode]’ [-fpermissive] basic_ifstream(const char* __s, ios_base::openmode __mode = ios_base::in) ^ user.cpp:7:24: error: invalid conversion from ‘int’ to ‘const char*’ [-fpermissive] ofstream out('fact.out'); ^ In file included from user.cpp:2:0: /usr/include/c++/4.8/fstream:640:7: error: initializing argument 1 of ‘std::basic_ofstream<_CharT, _Traits>::basic_ofstream(const char*, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; std::ios_base::openmode = std::_Ios_Openmode]’ [-fpermissive] basic_ofstream(const char* __s, ^