Eroare de compilare: main.cpp: In function 'int zeros(int)': main.cpp:20:20: warning: suggest parentheses around assignment used as truth value [-Wparentheses] while (n = n / 5) { ^ main.cpp: In function 'void factorial()': main.cpp:29:27: error: no matching function for call to 'std::basic_ifstream<char>::basic_ifstream(_IO_FILE*&)' std::ifstream f1(stdin); ^ In file included from main.cpp:3:0: /usr/include/c++/6/fstream:521:7: note: candidate: std::basic_ifstream<_CharT, _Traits>::basic_ifstream(std::basic_ifstream<_CharT, _Traits>&&) [with _CharT = char; _Traits = std::char_traits<char>] basic_ifstream(basic_ifstream&& __rhs) ^~~~~~~~~~~~~~ /usr/include/c++/6/fstream:521:7: note: no known conversion for argument 1 from '_IO_FILE*' to 'std::basic_ifstream<char>&&' /usr/include/c++/6/fstream:511:7: note: candidate: std::basic_ifstream<_CharT, _Traits>::basic_ifstream(const string&, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; std::__cxx11::string = std::__cxx11::basic_string<char>; std::ios_base::openmode = std::_Ios_Openmode] basic_ifstream(const std::string& __s, ^~~~~~~~~~~~~~ /usr/include/c++/6/fstream:511:7: note: no known conversion for argument 1 from '_IO_FILE*' to 'const string& {aka const std::__cxx11::basic_string<char>&}' /usr/include/c++/6/fstream:495:7: note: candidate: 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] basic_ifstream(const char* __s, ios_base::openmode __mode = ios_base::in) ^~~~~~~~~~~~~~ /usr/include/c++/6/fstream:495:7: note: no known conversion for argument 1 from '_IO_FILE*' to 'const char*' /usr/include/c++/6/fstream:481:7: note: candidate: std::basic_ifstream<_CharT, _Traits>::basic_ifstream() [with _CharT = char; _Traits = std::char_traits<char>] basic_ifstream() : __istream_type(), _M_filebuf() ^~~~~~~~~~~~~~ /usr/include/c++/6/fstream:481:7: note: candidate expects 0 arguments, 1 provided main.cpp:30:28: error: no matching function for call to 'std::basic_ofstream<char>::basic_ofstream(_IO_FILE*&)' std::ofstream f2(stdout); ^ In file included from main.cpp:3:0: /usr/include/c++/6/fstream:725:7: note: candidate: std::basic_ofstream<_CharT, _Traits>::basic_ofstream(std::basic_ofstream<_CharT, _Traits>&&) [with _CharT = char; _Traits = std::char_traits<char>] basic_ofstream(basic_ofstream&& __rhs) ^~~~~~~~~~~~~~ /usr/include/c++/6/fstream:725:7: note: no known conversion for argument 1 from '_IO_FILE*' to 'std::basic_ofstream<char>&&' /usr/include/c++/6/fstream:715:7: note: candidate: std::basic_ofstream<_CharT, _Traits>::basic_ofstream(const string&, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; std::__cxx11::string = std::__cxx11::basic_string<char>; std::ios_base::openmode = std::_Ios_Openmode] basic_ofstream(const std::string& __s, ^~~~~~~~~~~~~~ /usr/include/c++/6/fstream:715:7: note: no known conversion for argument 1 from '_IO_FILE*' to 'const string& {aka const std::__cxx11::basic_string<char>&}' /usr/include/c++/6/fstream:697:7: note: candidate: 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] basic_ofstream(const char* __s, ^~~~~~~~~~~~~~ /usr/include/c++/6/fstream:697:7: note: no known conversion for argument 1 from '_IO_FILE*' to 'const char*' /usr/include/c++/6/fstream:682:7: note: candidate: std::basic_ofstream<_CharT, _Traits>::basic_ofstream() [with _CharT = char; _Traits = std::char_traits<char>] basic_ofstream(): __ostream_type(), _M_filebuf() ^~~~~~~~~~~~~~ /usr/include/c++/6/fstream:682:7: note: candidate expects 0 arguments, 1 provided Non zero exit status: 1