Compilare: main.cpp: In member function 'void Trie::insert(const string&, int)': main.cpp:17:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | if(poz == s.size()) | ~~~~^~~~~~~~~~~ main.cpp: In member function 'void Trie::erase(const string&, int)': main.cpp:29:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | if(poz == s.size()) | ~~~~^~~~~~~~~~~ main.cpp: In member function 'int Trie::count(const string&, int)': main.cpp:43:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | if(poz == s.size()) | ~~~~^~~~~~~~~~~ main.cpp: In member function 'int Trie::lcp(const string&, int)': main.cpp:51:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | if(poz == s.size()) | ~~~~^~~~~~~~~~~