Compilare: main.cpp:3: warning: ignoring '#pragma optimize GCC' [-Wunknown-pragmas] 3 | #pragma optimize GCC ("Ofast") | main.cpp: In function 'void insert_value(Trie*&, std::string&, int, int)': main.cpp:41:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | if(poz==s.length()) | ~~~^~~~~~~~~~~~ main.cpp: In function 'void remove_value(Trie*&, std::string&, int)': main.cpp:56:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | if(poz==s.length()) | ~~~^~~~~~~~~~~~