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Another possible external-memory map implementation is to use a skip list, but to collect consecutive groups of O(B) nodes, in individual blocks, on any level in the skip list. In particular, we define an order-d B-skip list to be such a representation of a skip-list structure, where each block contains at least [d/2] list nodes and at most d list nodes. Let us also choose d in this case to be the maximum number of list nodes from a level of a skip list that can fit into one block. Describe how we should modify the skip-list insertion and removal algorithms for aB-skip list so that the expected height of the structure is O(log n/log B).
The hint says"Try to block order-B sized sub ''trees'' in the skip list."
Create and explain an application level protocol to be used in an automatic teller machine and a bank's centralized computer. Your protocol should permit a user's card and password to be verified,
Determine when a typical database is created the structure is constructed before the data is actually loaded into the database. What problems exist when someone wishes to add or delete from the existing structure?
Suppose you are using quicksort to sort array A with 6 distinct elements a1, a2, ..., a6. Sketch portion of the decision tree which corresponds to th ordering a3
Discuss the benefits of dynamic over-static arrays. Under what conditions will you choose dynamic arrays?
Consider a simple symmetric encryption algorithm as follows:Is it a problem if the first block of input happens to be the same as the key? Explain why?
Think about a disk holding documents with an average file length of 5 KB. Each document is allocated contiguously on adjacent sectors.
Discuss the difference between a workbook and a worksheet and explain why would you want to use individual worksheets when using Excel?
For inputs of size n, insertion sort runs in 8n 2 steps, where as merge sort runs in 64* nlog base 2 n steps. For which values of n odes insertion sort beat merge sort?
How a vEB tree can be used to support these three operations and analyze the time/space complexity of your algorithms.
Write an algorithm or code segment for locating the nth successor of an item in a circlar linked list (the nth item that follows the given item in the list).
Write computer program to implement this algorithm and demonstrate the results and what is the machine run time in second for sorting array A?
Will preorder, inorder, or postorder traversal print a heap in sorted order? why or why not? use the following numbers to prove your point 85 86 88 89 90 91 92
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