Compilare: main.cpp: In member function 'void trie::adaugacuvant(std::string, int)': main.cpp:28:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | if(pozitie == s.size() - 1) | ~~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void trie::stergecuvant(std::string, int)': main.cpp:43:20: 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(pozitie == s.size() - 1) | ~~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In member function 'int trie::numaraaparitii(std::string, int)': main.cpp:67:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | if(pozitie == s.size() - 1) | ~~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In member function 'int trie::prefcomun(std::string, int)': main.cpp:80:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | if(pozitie == s.size() - 1) | ~~~~~~~~^~~~~~~~~~~~~~~