Compilare: main.cpp: In function 'void AddTrie(Trie**, char*)': main.cpp:31:21: warning: array subscript has type 'char' [-Wchar-subscripts] if(!p->poz[c]) { ^ main.cpp:32:21: warning: array subscript has type 'char' [-Wchar-subscripts] p->poz[c] = 1; ^ main.cpp:33:22: warning: array subscript has type 'char' [-Wchar-subscripts] p->next[c] = CreateNod(); ^ main.cpp:36:29: warning: array subscript has type 'char' [-Wchar-subscripts] last = p = p->next[c]; ^ main.cpp:26:9: warning: unused variable 'lengh' [-Wunused-variable] int lengh = strlen(cuv) - 1; ^~~~~ main.cpp: In function 'void DeleteTrie(Trie**, char*)': main.cpp:49:21: warning: array subscript has type 'char' [-Wchar-subscripts] if(!p->poz[c]) ^ main.cpp:56:29: warning: array subscript has type 'char' [-Wchar-subscripts] last = p = p->next[c]; ^ main.cpp: In function 'int PrintFreg(Trie*, char*)': main.cpp:85:24: warning: array subscript has type 'char' [-Wchar-subscripts] if(!root->poz[c]) ^ main.cpp:87:35: warning: array subscript has type 'char' [-Wchar-subscripts] last = root = root->next[c]; ^ main.cpp:80:9: warning: unused variable 'lengh' [-Wunused-variable] int lengh = strlen(cuv) - 1; ^~~~~ main.cpp: In function 'int PrintPref(Trie*, char*)': main.cpp:100:24: warning: array subscript has type 'char' [-Wchar-subscripts] if(!root->poz[c]) ^ main.cpp:103:35: warning: array subscript has type 'char' [-Wchar-subscripts] last = root = root->next[c]; ^ main.cpp:95:9: warning: unused variable 'lenght' [-Wunused-variable] int lenght = strlen(cuv) - 1, lgt = 0, maxfreq; ^~~~~~ main.cpp:95:35: warning: unused variable 'lgt' [-Wunused-variable] int lenght = strlen(cuv) - 1, lgt = 0, maxfreq; ^~~ main.cpp:96:11: warning: variable 'last' set but not used [-Wunused-but-set-variable] Trie* last; ^~~~ main.cpp: In function 'int main()':