Eroare de compilare: main.cpp: In function 'int main()': main.cpp:169:14: error: no match for 'operator<<' (operand types are 'InParser' and 'int') 169 | fout << ans[i] << '\n'; | ~~~~ ^~ ~~~~~~ | | | | InParser int In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from main.cpp:1: /usr/include/c++/10/bits/regex.h:1647:5: note: candidate: 'template<class _Ch_type, class _Ch_traits, class _Bi_iter> std::basic_ostream<_CharT, _Traits>& std::__cxx11::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::sub_match<_Bi_iter>&)' 1647 | operator<<(basic_ostream<_Ch_type, _Ch_traits>& __os, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1647:5: note: template argument deduction/substitution failed: main.cpp:169:22: note: 'InParser' is not derived from 'std::basic_ostream<_CharT, _Traits>' 169 | fout << ans[i] << '\n'; | ^ In file included from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from main.cpp:1: /usr/include/c++/10/bits/basic_string.h:6468:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 6468 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6468:5: note: template argument deduction/substitution failed: main.cpp:169:22: note: 'InParser' is not derived from 'std::basic_ostream<_CharT, _Traits>' 169 | fout << ans[i] << '\n'; | ^ In file included from /usr/include/c++/10/bits/ios_base.h:46, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from main.cpp:1: /usr/include/c++/10/system_error:262:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::error_code&)' 262 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e) | ^~~~~~~~ /usr/include/c++/10/system_error:262:5: note: template argument deduction/substitution failed: main.cpp:169:22: note: 'InParser' is not derived from 'std::basic_ostream<_CharT, _Traits>' 169 | fout << ans[i] << '\n'; | ^ In file included from /usr/include/c++/10/istream:39, from /usr/include/c++/10/sstream:38, Non zero exit status: 1