Compilare: user.cpp: In function ‘int main()’: user.cpp:21:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((c[i]+c[i-1]-96)>=10) ^ user.cpp:22:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[p--]=(c[i]+c[i-1]-96)%10+r,r=(c[i]+c[i-1]-96)/10; ^ user.cpp:22:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[p--]=(c[i]+c[i-1]-96)%10+r,r=(c[i]+c[i-1]-96)/10; ^ user.cpp:24:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[p--]=(c[i]+c[i-1]-96)%10+r,r=0; ^ user.cpp:29:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] g<<(int)c[i]; ^