Compilare: main.cpp: In member function 'void Trie::insereaza(std::string&, int)': main.cpp:14:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | if(pos==s.size()) | ~~~^~~~~~~~~~ main.cpp: In member function 'int Trie::numara(std::string&, int)': main.cpp:24:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | if(pos==s.size()) return cnt ; | ~~~^~~~~~~~~~ main.cpp: In member function 'void Trie::sterge(std::string&, int)': main.cpp:30:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | if(pos==s.size()) | ~~~^~~~~~~~~~ main.cpp: In member function 'int Trie::lcp(std::string&, int)': main.cpp:44:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 44 | if(s.size()==pos||!next[s[pos]-'a']) return 0; | ~~~~~~~~^~~~~