Compilare: main.cpp: In member function 'void Trie::insert(std::__cxx11::string&)': main.cpp:32:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(poz!=s.size()){ ~~~^~~~~~~~~~ main.cpp: In member function 'int Trie::findPotriv(std::__cxx11::string&, int)': main.cpp:50:5: warning: control reaches end of non-void function [-Wreturn-type] } ^