Borderou de evaluare (job #687799)

Eroare de compilare: main.cpp:4:22: error: no matching function for call to 'std::basic_istream<char>::basic_istream(const char [8])' 4 | istream fin("abc1.in"); | ^ In file included from /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/sstream:38, from /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/complex:45, from /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/ccomplex:39, from /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/i686-pc-linux-gnu/bits/stdc++.h:54, from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/istream:613:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::basic_istream(std::basic_istream<_CharT, _Traits>&&) [with _CharT = char; _Traits = std::char_traits<char>]' 613 | basic_istream(basic_istream&& __rhs) | ^~~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/istream:613:37: note: no known conversion for argument 1 from 'const char [8]' to 'std::basic_istream<char>&&' 613 | basic_istream(basic_istream&& __rhs) | ~~~~~~~~~~~~~~~~^~~~~ /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/istream:606:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::basic_istream() [with _CharT = char; _Traits = std::char_traits<char>]' 606 | basic_istream() | ^~~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/istream:606:7: note: candidate expects 0 arguments, 1 provided /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/istream:93:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::basic_istream(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]' 93 | basic_istream(__streambuf_type* __sb) | ^~~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/istream:93:39: note: no known conversion for argument 1 from 'const char [8]' to 'std::basic_istream<char>::__streambuf_type*' {aka 'std::basic_streambuf<char>*'} 93 | basic_istream(__streambuf_type* __sb) | ~~~~~~~~~~~~~~~~~~^~~~ main.cpp:5:23: error: no matching function for call to 'std::basic_ostream<char>::basic_ostream(const char [8])' 5 | ostream fout("abc.out"); | ^ In file included from /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/istream:39, from /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/sstream:38, from /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/complex:45, from /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/ccomplex:39, from /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/i686-pc-linux-gnu/bits/stdc++.h:54, from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/ostream:406:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::basic_ostream(std::basic_ostream<_CharT, _Traits>&&) [with _CharT = char; _Traits = std::char_traits<char>]' 406 | basic_ostream(basic_ostream&& __rhs) | ^~~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/ostream:406:37: note: no known conversion for argument 1 from 'const char [8]' to 'std::basic_ostream<char>&&' 406 | basic_ostream(basic_ostream&& __rhs) | ~~~~~~~~~~~~~~~~^~~~~ /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/ostream:402:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::basic_ostream(std::basic_iostream<_CharT, _Traits>&) [with _CharT = char; _Traits = std::char_traits<char>]' 402 | basic_ostream(basic_iostream<_CharT, _Traits>&) { } | ^~~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/ostream:402:21: note: no known conversion for argument 1 from 'const char [8]' to 'std::basic_iostream<char>&' 402 | basic_ostream(basic_iostream<_CharT, _Traits>&) { } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/ostream:397:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::basic_ostream() [with _CharT = char; _Traits = std::char_traits<char>]' 397 | basic_ostream() | ^~~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/ostream:397:7: note: candidate expects 0 arguments, 1 provided /usr/lib/gcc/i686-pc-linux-gnu/11/include/g++-v11/ostream:84:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::basic_ostream(std::basic_ostream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]'