Compilare: In file included from /usr/include/c++/12.2.1/bits/exception_ptr.h:43, from /usr/include/c++/12.2.1/exception:168, from /usr/include/c++/12.2.1/ios:39, from /usr/include/c++/12.2.1/istream:38, from /usr/include/c++/12.2.1/fstream:38, from main.cpp:1: In function 'constexpr std::_Require<std::__not_<std::__is_tuple_like<_Tp> >, std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&, _Tp&) [with _Tp = int]', inlined from 'int main()' at main.cpp:31:17: /usr/include/c++/12.2.1/bits/move.h:205:11: warning: 'y' may be used uninitialized [-Wmaybe-uninitialized] 205 | __a = _GLIBCXX_MOVE(__b); | ^ main.cpp: In function 'int main()': main.cpp:13:19: note: 'y' was declared here 13 | int c, x, y; | ^