Compilare: main.cpp: In function 'int main()': main.cpp:11:33: warning: unused variable 'nrdiv' [-Wunused-variable] 11 | long long n, m, i, j, k, d, nrdiv = 0, exponent = 0, divi = 1, divizori = 0, diviv[1000001], summin = 1000001, x, y; | ^~~~~ 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:77:29: /usr/include/c++/12.2.1/ostream:202:25: warning: 'y' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int main()': main.cpp:11:119: note: 'y' was declared here 11 | long long n, m, i, j, k, d, nrdiv = 0, exponent = 0, divi = 1, divizori = 0, diviv[1000001], summin = 1000001, x, y; | ^ 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:77:17: /usr/include/c++/12.2.1/ostream:202:25: warning: 'x' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int main()': main.cpp:11:116: note: 'x' was declared here 11 | long long n, m, i, j, k, d, nrdiv = 0, exponent = 0, divi = 1, divizori = 0, diviv[1000001], summin = 1000001, x, y; | ^