Compilare: main.cpp:3: warning: ignoring '#pragma optimize GCC' [-Wunknown-pragmas] 3 | #pragma optimize GCC ("Ofast") | main.cpp: In function 'bool valid(long long int, std::deque<int>)': main.cpp:23:10: warning: unused variable 'full1' [-Wunused-variable] 23 | bool full1=false,full2=false; | ^~~~~ main.cpp:23:22: warning: unused variable 'full2' [-Wunused-variable] 23 | bool full1=false,full2=false; | ^~~~~ main.cpp: In function 'int main()': main.cpp:55:11: warning: unused variable 'j' [-Wunused-variable] 55 | int i,j; | ^ 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 'int main()' at main.cpp:76:11: /usr/include/c++/12.2.1/ostream:202:25: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int main()': main.cpp:63:27: note: 'ans' was declared here 63 | long long st=1,dr=INF,ans; | ^~~