Compilare: user.cpp: In function ‘int main()’: user.cpp:66:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] iv=i+di[d]; ^ user.cpp:67:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] jv=j+dj[d]; ^ user.cpp:92:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] iv=ic+di[d]; ^ user.cpp:93:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] jv=jc+dj[d]; ^