2. (10 pts) Consider the following program fragment void test int ii int[5] a; void f (int x) a[i] = 5; i=i-1; 1=x; a i3; What are the values of i and a [2] after function f returns if the parameter is passed by i a [2] value copy-in-copy-out_ reference need 3. (10 pts) Construct a small piece of code in C-style syntax like in the previous question that behaves differently for call-by-name and call-by-need