Eroare de compilare: main.cpp: In function 'int main()': main.cpp:30:16: error: no matching function for call to 'std::basic_ifstream<char>::tie(bool)' f.tie(false); ^ In file included from /usr/include/c++/6/ios:44:0, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/sstream:38, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52, from main.cpp:1: /usr/include/c++/6/bits/basic_ios.h:295:7: note: candidate: std::basic_ostream<_CharT, _Traits>* std::basic_ios<_CharT, _Traits>::tie() const [with _CharT = char; _Traits = std::char_traits<char>] tie() const ^~~ /usr/include/c++/6/bits/basic_ios.h:295:7: note: candidate expects 0 arguments, 1 provided /usr/include/c++/6/bits/basic_ios.h:307:7: note: candidate: std::basic_ostream<_CharT, _Traits>* std::basic_ios<_CharT, _Traits>::tie(std::basic_ostream<_CharT, _Traits>*) [with _CharT = char; _Traits = std::char_traits<char>] tie(basic_ostream<_CharT, _Traits>* __tiestr) ^~~ /usr/include/c++/6/bits/basic_ios.h:307:7: note: no known conversion for argument 1 from 'bool' to 'std::basic_ostream<char>*' main.cpp:31:16: error: no matching function for call to 'std::basic_ofstream<char>::tie(bool)' g.tie(false); ^ In file included from /usr/include/c++/6/ios:44:0, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/sstream:38, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52, from main.cpp:1: /usr/include/c++/6/bits/basic_ios.h:295:7: note: candidate: std::basic_ostream<_CharT, _Traits>* std::basic_ios<_CharT, _Traits>::tie() const [with _CharT = char; _Traits = std::char_traits<char>] tie() const ^~~ /usr/include/c++/6/bits/basic_ios.h:295:7: note: candidate expects 0 arguments, 1 provided /usr/include/c++/6/bits/basic_ios.h:307:7: note: candidate: std::basic_ostream<_CharT, _Traits>* std::basic_ios<_CharT, _Traits>::tie(std::basic_ostream<_CharT, _Traits>*) [with _CharT = char; _Traits = std::char_traits<char>] tie(basic_ostream<_CharT, _Traits>* __tiestr) ^~~ /usr/include/c++/6/bits/basic_ios.h:307:7: note: no known conversion for argument 1 from 'bool' to 'std::basic_ostream<char>*' main.cpp:33:9: warning: unused variable 'u' [-Wunused-variable] int u=0; ^ Non zero exit status: 1