Compilare: main.cpp: In function 'void insert_trie(Trie*, std::string, int, int)': main.cpp:31:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | if(poz<s.size()) | ~~~^~~~~~~~~ main.cpp: In function 'void quiz_trie(Trie*, int)': main.cpp:48:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for(int i=0;i<nod->val.size();i++) | ~^~~~~~~~~~~~~~~~