Compilare: main.cpp: In function 'void InitNod(Nod*)': main.cpp:34:43: warning: array subscript has type 'char' [-Wchar-subscripts] 34 | for(char i = 0; i < 26; i++) nod->fii[i] = NULL; | ^ main.cpp: In function 'void Add(const std::string&, int, Nod*)': main.cpp:43:36: 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(nod->fii[carCur]->sf || car == s.size() - 1) { | ~~~~^~~~~~~~~~~~~~~