Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:86:28: error: no matching function for call to ‘std::basic_iostream<char>::basic_iostream(const char [9])’ iostream cin("retea.in"); ^ user.cpp:86:28: note: candidates are: In file included from /usr/include/c++/4.8/fstream:38:0, from user.cpp:1: /usr/include/c++/4.8/istream:830:7: note: std::basic_iostream<_CharT, _Traits>::basic_iostream() [with _CharT = char; _Traits = std::char_traits<char>] basic_iostream() ^ /usr/include/c++/4.8/istream:830:7: note: candidate expects 0 arguments, 1 provided /usr/include/c++/4.8/istream:820:7: note: std::basic_iostream<_CharT, _Traits>::basic_iostream(std::basic_streambuf<_CharT, _Traits>*) [with _CharT = char; _Traits = std::char_traits<char>] basic_iostream(basic_streambuf<_CharT, _Traits>* __sb) ^ /usr/include/c++/4.8/istream:820:7: note: no known conversion for argument 1 from ‘const char [9]’ to ‘std::basic_streambuf<char>*’