Compilare: user.cpp: In function ‘int main()’: user.cpp:99:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (sm[tp[h[k]]] + 1 > maxx) { ^ user.cpp:100:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] maxx = sm[tp[h[k]]] + 1; ^ user.cpp:103:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] sc = tp[h[k]]; ^ user.cpp:105:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] u[h[k]] = 0; ^ user.cpp:106:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] sm[tp[h[k]]] = 0; ^