I think I did part A the right way and part B is confusing to me. Help!

Exercise 18.1. For the algorithm presented in exercise 17.2 from the last chapter (a) Select a value to represent the size of an instance of the problem the algorithm is designed to solve (b) Decide what will constitute a step in the algorithm. (c) Determine the worst case scenario function w A1y e The input will be any integer n >1. Input: integer n > 1 Output: (to be deter input:2o > I while n is even do tt+1 n n/2 end while output t n20 n, o ro 2 2 w(71) k Exercise 18.2. Repeat exercise 18.1 for the following algorithm: t: Strings of reals. (x, X2,. . . , x.) and ' . . . .yn) of length n Output: (to be determined) 1: S 0 2: i+1 3: while i s n do 6: end while 7: output S