Compilare: main.cpp: In member function 'void Trie::addWord(const std::string&, int)': main.cpp:32:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | if (poz == str.size() - 1) | ~~~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Trie::deleteWord(const std::string&, int)': main.cpp:44:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | if (poz == str.size() - 1) // trebuie sa ne oprim cu totul | ~~~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Trie::countAp(const std::string&, int)': main.cpp:65:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | if (poz == str.size() - 1) | ~~~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Trie::longestCommonPrefix(const std::string&, int)': main.cpp:77:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | if (poz == str.size() - 1) | ~~~~^~~~~~~~~~~~~~~~~