Compilare: user.cpp: In member function ‘void Trie::stergere(nod**, std::string&, int)’: user.cpp:113:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (litera < cuvant.size()) ^ user.cpp:118:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (litera == cuvant.size() - 1) ^ user.cpp: In member function ‘void Trie::actionare_stergere(std::string)’: user.cpp:168:7: warning: unused variable ‘stergere’ [-Wunused-variable] int stergere = 0; ^ user.cpp: In member function ‘int Trie::cautare(std::string)’: user.cpp:89:2: warning: control reaches end of non-void function [-Wreturn-type] } ^