Compilare: main.cpp: In function 'void ins(Trie*, std::__cxx11::basic_string<char>::iterator)': main.cpp:38:18: warning: array subscript has type 'char' [-Wchar-subscripts] if(nod->fiu[*it] == 0){ ^ main.cpp:40:17: warning: array subscript has type 'char' [-Wchar-subscripts] nod->fiu[*it] = new Trie; ^ main.cpp:42:19: warning: array subscript has type 'char' [-Wchar-subscripts] ins(nod->fiu[*it], it + 1); ^ main.cpp: In function 'void dinamica(Trie_Compresata*)': main.cpp:70:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int f = 0; f < nod->fiu.size(); f++){ ~~^~~~~~~~~~~~~~~~~ main.cpp:74:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < dp2[it].size(); i++) ~~^~~~~~~~~~~~~~~~ main.cpp:75:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < dp.size(); j++){ ~~^~~~~~~~~~~ main.cpp:76:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dp2[1 - it].size() <= i + j) ~~~~~~~~~~~~~~~~~~~^~~~~~~~ main.cpp:87:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < dp2[it].size(); i++) ~~^~~~~~~~~~~~~~~~