2. Show all steps one by one to sort the following array num using selection sort algorithm: intnum={59,30,25,91,49,55,80} (2 marks) 3. Assume a singly linked list of characters contains the following elements e1, e2, e3, e4, e5. (Don't write any line of code or algorithm!') (2 marks) a. Draw the steps of removing e1 from the above linked list. b. Draw the steps of inserting a new element 6 at the last of the above linked list