Compilare: main.cpp: In function 'int factor(int*)': main.cpp:56:9: warning: value computed is not used [-Wunused-value] *p2++; ^~~~~ main.cpp:58:9: warning: value computed is not used [-Wunused-value] *p2++; ^~~~~ main.cpp:62:18: warning: array subscript has type 'char' [-Wchar-subscripts] r=Val[*p2]; ^ main.cpp: In function 'int eval()': main.cpp:89:32: warning: array subscript has type 'char' [-Wchar-subscripts] Val['a'+ind]=val[*p]; ^