1.The stack related header file that allows for polymorphism is: LinkedStack.h No answer is correct StackInterface.h ArrayStack.h

2. With linked-list stack, you insert and delete from the front of the linked list True False

3. When comparing implementations of algorithms, the one question that involves programming skill is: How are the algorithms are coded? All answers are correct What computer should you use? What data should the programs use?

4. A solution is good if the total cost it incurs over all phases of its life is minimal. True False

5. The Big O for traversing a linked list is: O(n) No answer is correct O(n²) O(1)