Eroare de compilare: main.cpp: In function 'int main()': main.cpp:7:42: error: 'endl' was not declared in this scope; did you mean 'std::endl'? 7 | for(F>>a;F>>a>>b;G<<std::__gcd(a,b)<<endl); | ^~~~ | std::endl In file included from /usr/include/c++/10/istream:39, 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/ostream:681:5: note: 'std::endl' declared here 681 | endl(basic_ostream<_CharT, _Traits>& __os) | ^~~~ Non zero exit status: 1