Eroare de compilare: main.cpp: In function 'int main()': main.cpp:12:12: error: no matching function for call to 'std::basic_ifstream<char>::open()' 12 | in.open(); | ~~~~~~~^~ In file included from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:70, from main.cpp:1: /usr/include/c++/12.2.1/fstream:723:9: note: candidate: 'template<class _Path> std::_If_fs_path<_Path, void> std::basic_ifstream<_CharT, _Traits>::open(const _Path&, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>]' 723 | open(const _Path& __s, ios_base::openmode __mode = ios_base::in) | ^~~~ /usr/include/c++/12.2.1/fstream:723:9: note: template argument deduction/substitution failed: main.cpp:12:12: note: candidate expects 2 arguments, 0 provided 12 | in.open(); | ~~~~~~~^~ /usr/include/c++/12.2.1/fstream:663:7: note: candidate: 'void std::basic_ifstream<_CharT, _Traits>::open(const char*, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; std::ios_base::openmode = std::ios_base::openmode]' 663 | open(const char* __s, ios_base::openmode __mode = ios_base::in) | ^~~~ /usr/include/c++/12.2.1/fstream:663:7: note: candidate expects 2 arguments, 0 provided /usr/include/c++/12.2.1/fstream:702:7: note: candidate: 'void std::basic_ifstream<_CharT, _Traits>::open(const std::string&, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; std::string = std::__cxx11::basic_string<char>; std::ios_base::openmode = std::ios_base::openmode]' 702 | open(const std::string& __s, ios_base::openmode __mode = ios_base::in) | ^~~~ /usr/include/c++/12.2.1/fstream:702:7: note: candidate expects 2 arguments, 0 provided Non zero exit status: 1