7. [18] Provide the algorithmic efficiency for the following tasks. Justify your answer, often with a small piece of pseudocode or a drawing to help with your analysis. A. [3] Determining whether a provided number is odd or even B. [3] Determining whether or not a number exists in a list C. [3] Finding the smallest number in a list D. [3] Determining whether or not two unsorted lists of the same length contain all of the same values (assume no duplicate values)