Compilare: main.cpp: In function 'void Lg(trie*, string_it)': main.cpp:50:34: warning: array subscript has type 'char' [-Wchar-subscripts] if(it==s.end() || t->child[ch] == false) ^ main.cpp:55:19: warning: array subscript has type 'char' [-Wchar-subscripts] Lg(t->child[ch], it+1); ^ main.cpp: In function 'int Cnt(trie*, string_it)': main.cpp:62:19: warning: array subscript has type 'char' [-Wchar-subscripts] if(t->child[ch] == false) ^ main.cpp:66:27: warning: array subscript has type 'char' [-Wchar-subscripts] return Cnt(t->child[ch], it+1); ^ main.cpp: In function 'void Del(trie*, string_it)': main.cpp:75:20: warning: array subscript has type 'char' [-Wchar-subscripts] Del(t->child[ch], it+1); ^ main.cpp:77:19: warning: array subscript has type 'char' [-Wchar-subscripts] if(t->child[ch]->nrchild == 0 && t->child[ch]->nr == 0){ ^ main.cpp:77:49: warning: array subscript has type 'char' [-Wchar-subscripts] if(t->child[ch]->nrchild == 0 && t->child[ch]->nr == 0){ ^ main.cpp:79:27: warning: array subscript has type 'char' [-Wchar-subscripts] delete t->child[ch]; ^ main.cpp:80:20: warning: array subscript has type 'char' [-Wchar-subscripts] t->child[ch]=0; ^ main.cpp: In function 'void Add(trie*, string_it)': main.cpp:91:19: warning: array subscript has type 'char' [-Wchar-subscripts] if(t->child[ch] == false){ ^ main.cpp:92:20: warning: array subscript has type 'char' [-Wchar-subscripts] t->child[ch]= new trie(); ^ main.cpp:96:20: warning: array subscript has type 'char' [-Wchar-subscripts] Add(t->child[ch], it+1); ^