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<<(unsigned int) [with _CharT = char; _Traits = std::char_traits<char>]', inlined from 'int main()' at main.cpp:37:11: /usr/include/c++/12.2.1/ostream:196:25: warning: 'connectedComps' may be used uninitialized [-Wmaybe-uninitialized] 196 | return _M_insert(static_cast<unsigned long>(__n)); | ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:18:34: note: 'connectedComps' was declared here 18 | data nodeNum, edgeNum, x, y, connectedComps; | ^~~~~~~~~~~~~~