Compilare: In file included from /usr/include/c++/12.2.1/istream:39, from /usr/include/c++/12.2.1/fstream:38, from main.cpp:1: In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>]', inlined from 'int main()' at main.cpp:27:27: /usr/include/c++/12.2.1/ostream:202:25: warning: 'b' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int main()': main.cpp:10:42: note: 'b' was declared here 10 | long long n,m=-9223372036854775800,a,b,i,nr,s=0; | ^ In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>]', inlined from 'int main()' at main.cpp:27:19: /usr/include/c++/12.2.1/ostream:202:25: warning: 'a' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int main()': main.cpp:10:40: note: 'a' was declared here 10 | long long n,m=-9223372036854775800,a,b,i,nr,s=0; | ^