Compilare: user.cpp: In function ‘int main()’: user.cpp:15:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] Fr[V[i]]++; ^ user.cpp:19:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(VIZ[V[i]] == 0) ^ user.cpp:21:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(vf > 0 && Fr[STV[vf]] >= 1 && V[i] < STV[vf]) ^ user.cpp:23:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] VIZ[STV[vf]] = 0; ^ user.cpp:27:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] VIZ[V[i]] = 1; ^ user.cpp:28:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] Fr[V[i]]--; ^ user.cpp:31:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] Fr[V[i]]--; ^