Compilare: In file included from /usr/include/c++/12.2.1/istream:39, from /usr/include/c++/12.2.1/sstream:38, from /usr/include/c++/12.2.1/complex:45, from /usr/include/c++/12.2.1/ccomplex:39, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:54, from main.cpp:1: In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(double) [with _CharT = char; _Traits = std::char_traits<char>]', inlined from 'int main()' at main.cpp:64:11: /usr/include/c++/12.2.1/ostream:221:25: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 221 | { return _M_insert(__f); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int main()': main.cpp:51:39: note: 'ans' was declared here 51 | double st=0, dr=1e9,mij, eps=0.01,ans; | ^~~