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1)Suppose that we use an open-addressed hashing table of size m to store n ? m / 2 items. Assuming uniform hashing, show that for i = 1, 2, ..., n, the probability is at most 2?k that the i-th insertion requires strictly more than k probes. (2) [10 points] Discuss the difficulties of deletion operation in hashing. Again use open-addressed hashing instead of chaining. Give a deletion algorithm for linear probing. (3) [10 points] In this assignment, you are going to find out the performance of (open-addressed) hashing by simulation. You should design a hash table of size approximately 200, a hash function of your own design (you are not allowed to use the ones in the notes nor those in the textbook), and test the hashing table at 10% increment of the load factor until 90% and then increase it by 1% until 95% or the algorithm failed somehow. The test should show the average "probes" required to insert a new element into the table. You will be given a list of words as the elements. If the word was already in the table, ignore it. Otherwise add it to the table. Use two strategies to resolve collisions: (1) linear probing, and (2) your own design. Produce a comparison of the two strategies to see if they are significantly different. Explain why if necessary. Assume the file name "q5.dat" for input data. 4) Show that the notion of a randomly chosen binary search tree on n keys, where each binary search tree of n keys is equally likely to be chosen, is different from the notion of a randomly built binary search tree given in this section. (Hint: List the possibilities when n D 3.) 5)What is the asymptotic performance of TREE-INSERT when used to insert n items with identical keys into an initially empty binary search tree?
Is Web search a database query? Explain your answer.
Hence, the first item in the array should become the last one, and the last one in the array should become the first one, etc. You may NOT create a second array to solve this problem!
The program should display a graphical representation of the binary search tree. Show all the leaf nodes; Show all the nodes in PreOrder, InOrder and PostOrder traversals.
Write a 700- to 1,050-word paper identifying and describing how information is used and how it flows in an organization.
IT engagement model and management. Include any information you believe adds to the material in the text. Describe any areas where you see disagreement between the sources.
Recognize all potential security threats on home personal computer. Recognize some of techniques the attacker might use to access some information on system.
Prove that p(y|X=x)~Bin(n-x,b/1-a) where x,y,z have multinomial distribution with parameters a,b,c and n.
Write down the definition of a function dashedLine, with one parameter, an int. If parameter is negative or zero, function does nothing. Otherwise it prints complete line terminated by new line character to standard output consisting of dashes
You are working on a new Web site for Cruzes, Inc. The Web site is aimed at providing travel information to consumers interested in cruises. When meeting with Jason, the marketing manager of Cruzes, Inc
Give CFG for the language L={x %u03F5 {0,1}*/x has unequal number of 0's and 1's}
Describe how technical goals can be coupled with information assurance and security considerations in a network design project.
alter table statement that adds a new column, DuesPaid, to the individuals table. Use the bit data type, disallow null values, and assign a default Boolean value of False.
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