Consider the following pseudocode function.

Consider the following pseudocode function.

function W(n Z)      if n > 0

then      if n is odd then           return 2n else return n + 1 else return n − 1

Compute the values returned by the following function calls.

(a)    W(12) =

(b)    W(−23) =

(c)    W(7) =