Compilare: user.cpp: In function ‘void adauga(Trie*, char*)’: user.cpp:31:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(node -> fiu[qq] == NULL) { ^ user.cpp:32:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] node -> fiu[qq] = new Trie; ^ user.cpp:36:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] adauga(node -> fiu[qq] , s + 1); ^ user.cpp: In function ‘int sterge(Trie*, char*)’: user.cpp:46:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(sterge(node -> fiu[qq] , s + 1)) { ^ user.cpp:47:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] node -> fiu[qq] = NULL; ^ user.cpp: In function ‘int nrap(Trie*, char*)’: user.cpp:66:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(node -> fiu[qq] != NULL) { ^ user.cpp:67:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] return nrap(node -> fiu[qq] , s + 1); ^ user.cpp: In function ‘int prefix(Trie*, char*, int)’: user.cpp:79:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(node -> fiu[qq] != NULL) { ^ user.cpp:80:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] return prefix(node -> fiu[qq] , s + 1 , lg + 1); ^