Compilare: main.cpp: In function 'int32_t main()': main.cpp:10:24: warning: unused variable 'dr' [-Wunused-variable] 10 | int n,a,sum=0,st=1,dr=1,sst,sdr,maxx=0; | ^~ In file included from /usr/include/c++/12.2.1/iostream:39, 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 'int32_t main()' at main.cpp:29:32: /usr/include/c++/12.2.1/ostream:202:25: warning: 'sdr' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int32_t main()': main.cpp:10:33: note: 'sdr' was declared here 10 | int n,a,sum=0,st=1,dr=1,sst,sdr,maxx=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 'int32_t main()' at main.cpp:29:22: /usr/include/c++/12.2.1/ostream:202:25: warning: 'sst' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int32_t main()': main.cpp:10:29: note: 'sst' was declared here 10 | int n,a,sum=0,st=1,dr=1,sst,sdr,maxx=0; | ^~~