How many bytes are required to store n data items

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Reference no: EM131479627

Question: How many bytes are required to store N data items in each of these three structures: array based list, linked list, and doubly linked list? Assume that each pointer occupies P bytes, and each data item occupies D bytes.

- Let us assume that you have implemented a look-up table. You decide to keep a counter along with each data item to the count number of times each item is looked up, and use the counters to improve the look-up speed by rearranging the order of the data items. How will you do that? Describe your high-level approach.

- Compare the complexity of operations for array based lists and linked lists. Identify and explain the reasons for the differences.

- Which data structure (i.e., array based list or linked list) is the optimum one for following problems? Explain your reasoning.

- Read only look-up table

- Class roster

- A table when many inserts and deletes are involved

- A collection when you have no clue regarding how big the list will become

- What are the benefits/costs of "linked lists with head and tail nodes" over plain linked lists? If you have to implement a linked list, will you consider this form? Why/Why not?

Reference no: EM131479627

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