3. Let us assume that we always perform a successful search. That is, in Algo- rithm 2.1 the item r can always be found in the list S. Improve Algorithm 2.1 by removing all unnecessary operations. 3. Let us assume that we always perform a successful search. That is, in Algo- rithm 2.1 the item r can always be found in the list S. Improve Algorithm 2.1 by removing all unnecessary operations