Compilare: user.cpp: In function ‘int main()’: user.cpp:24:9: warning: unused variable ‘N’ [-Wunused-variable] int N, i; ^ user.cpp:24:12: warning: unused variable ‘i’ [-Wunused-variable] int N, i; ^ user.cpp: In function ‘void Add(char*, int)’: user.cpp:58:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if ( T[nod].fii[l] == 0 ) ^ user.cpp:62:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] poz = T[nod].fii[l] = T.size() - 1; ^ user.cpp:65:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] poz = T[nod].fii[l]; ^