Compilare: user.cpp: In function ‘void insert(nod*, int)’: user.cpp:33:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(!x->v[aux[poz]]) ^ user.cpp:34:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] x->v[aux[poz]]=new nod(); ^ user.cpp:36:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] insert(x->v[aux[poz]],poz+1); ^ user.cpp: In function ‘int main()’: user.cpp:79:24: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[1000003]’ [-Wformat=] scanf("%s",&aux); ^