Borderou de evaluare (job #723967)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:6:38: error: no matching function for call to 'std::basic_iostream<char>::basic_iostream(const char [15])' 6 | iostream cin("alfanumeric.in"); | ^ In file included from /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/fstream:38, from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/istream:931:7: note: candidate: 'std::basic_iostream<_CharT, _Traits>::basic_iostream(std::basic_iostream<_CharT, _Traits>&&) [with _CharT = char; _Traits = std::char_traits<char>]' 931 | basic_iostream(basic_iostream&& __rhs) | ^~~~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/istream:931:39: note: no known conversion for argument 1 from 'const char [15]' to 'std::basic_iostream<char>&&' 931 | basic_iostream(basic_iostream&& __rhs) | ~~~~~~~~~~~~~~~~~^~~~~ /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/istream:925:7: note: candidate: 'std::basic_iostream<_CharT, _Traits>::basic_iostream() [with _CharT = char; _Traits = std::char_traits<char>]' 925 | basic_iostream() | ^~~~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/istream:925:7: note: candidate expects 0 arguments, 1 provided /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/istream:915:7: note: candidate: 'std::basic_iostream<_CharT, _Traits>::basic_iostream(std::basic_streambuf<_CharT, _Traits>*) [with _CharT = char; _Traits = std::char_traits<char>]' 915 | basic_iostream(basic_streambuf<_CharT, _Traits>* __sb) | ^~~~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/istream:915:56: note: no known conversion for argument 1 from 'const char [15]' to 'std::basic_streambuf<char>*' 915 | basic_iostream(basic_streambuf<_CharT, _Traits>* __sb) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~