Compilare: user.cpp: In function ‘int main()’: user.cpp:14:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] fb[b[i]]++; ^ user.cpp:17:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] fa[a[i]]++; ^ user.cpp:26:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(fb[a[i]]) ^ user.cpp:28:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(j&&a[i]<b[j-1]&&fa[b[j-1]]>fb[b[j-1]]) ^ user.cpp:28:55: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(j&&a[i]<b[j-1]&&fa[b[j-1]]>fb[b[j-1]]) ^ user.cpp:29:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] fb[b[--j]]++; ^ user.cpp:31:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] fb[a[i]]--; ^ user.cpp:33:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] fa[a[i]]--; ^