Compilare: main.cpp: In function 'long long int C(long long int, long long int)': main.cpp:9:10: warning: unused variable 'sol' [-Wunused-variable] 9 | int sol=1; | ^~~ 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<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>]', inlined from 'void solve()' at main.cpp:76:11: /usr/include/c++/12.2.1/ostream:202:25: warning: 'sol' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'void solve()': main.cpp:64:26: note: 'sol' was declared here 64 | int l=1,r=n*min(a,b),sol; | ^~~