Compilare: main.cpp: In function 'int main()': main.cpp:13:12: warning: unused variable 'm' [-Wunused-variable] 13 | int n, m, i, j, p = 1, k; | ^ 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:31:13: /usr/include/c++/12.2.1/ostream:202:25: warning: 'k' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int main()': main.cpp:13:28: note: 'k' was declared here 13 | int n, m, i, j, p = 1, k; | ^