1. What is the purpose of the “hash function” within a hash table? 2. What is...
1. What is the purpose of the “hash function” within a hash table?
2. What is an example of greedy algorithms in the real world?
3. List some examples of a “divide and conquer” strategy that we may have encountered in our experience
Homework Answers
The purpose of the “hash function” within a hash table is to map
the given data set of any given size into a set of fixed define
size under the category of the hash table.
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1. What is the purpose of the “hash function” within a hash
table?
2. What is...
1. Given a hash table with size 10, hash function is hash(k) = k % 10,...
1. Given a hash table with size 10, hash function is hash(k) = k % 10, and quadratic probing strategy is used to solve collisions. Please insert the keys 19, 68, 59, 20, 32, 88, 56 in the hash table. 2. Let T be a binary tree with 31 nodes, what is the smallest possible height of T? What is the largest possible height of T?
Given the hash function: H(key) = key/2; Hash table size = 7 and index = H(key)%...
Given the hash function: H(key) = key/2; Hash table size = 7 and index = H(key)% Hash table size Show how the hash table below looks after adding the following (key, value) pairs, (illustrate your strategy for collision handling) (3000, “A”) (3232, “B”) (1223, “C”) (4569, “K”) (6767, “F”) (1234, “P”) (2324, “F”) (3422, “G”) (1231, “R”) index Key Value 0 1 2 3 4 5
You have a hash table of length 7 (tablesize 7). You are given a hash function...
You have a hash table of length 7 (tablesize 7). You are given a hash function f(x)-x % tablesize, where x is the value to be hashed and fix) is the hash address. Quadratic probing is used to resolve the collisions. The hash function receives the input 40, 26, 15, 12, 5, 17) in that order. Place each number in hash table in its correct address. The first two values are already placed in their correct positions If there isn't...
1.A good hash function is resistant to _______. 2.The term _______ _______ refers to an arranged...
1.A good hash function is resistant to _______. 2.The term _______ _______ refers to an arranged group of different algorithms used for authentication, encryption/decryption, digital signatures, and hashing. 3._______ functions are very special type of encryption algorithms that takes an input and mathematically reduces it to a unique number that is not reversible. 4._______ functions are difficult to process without the key but easy to process when you have the key. 5.The term _______ refers to every possible value for...
List the contents of a hash table of SIZE 10 filled using chaining Use the hash function: index= ...
Java question need help
For the data elements can be item1, item2, item3 ,item4....
etc.
List the contents of a hash table of SIZE 10 filled using chaining Use the hash function: index= ((string. length() * 3) The data elements are: Add the elements in the order given List the elements contained in each "bucket" (if any) Elements should be chained in the order added, separated by a comma and a space If an index is empty enter the word...
Design a primary hash table data structure. a. Each hash table has an array of node...
Design a primary hash table data structure. a. Each hash table has an array of node pointers and can point a head of a linked list. Suppose the node class is given to you. The data type of each node is int. b. Override the default constructor with a constructor that has one default parameter called capacity. What happens to your default constructor? Create some instances of the sequence class using the new constructor in multiple ways. c. Design the...
Suppose you have the following hash table, implemented using linear probing. The hash function we are...
Suppose you have the following hash table, implemented using linear probing. The hash function we are using is the identity function, h(x) = x. 0 1 2 3 4 5 6 7 8 9 8 12 3 14 4 21 In which order could the elements have been added to the hash table? There are more than one correct answers, and you should give all of them. Assume that the hash table has never been resized, and no elements have...
11. Dra The size The hash function used is: the contents of the 13 hash tables...
11. Dra The size The hash function used is: the contents of the 13 hash tables below. Show your work for partial r hash table is HOk)-k mod 7 13, 17, 6, 24, 3 a) Resolve collisions with chaining b) Double hashing, where W20)-7-0mod 5) 0 1 1 2 2 3 3 4 4 5 5 6 6 c) What is the load factor for the table a? d) What is the load factor for the table b? f) Is...
0. Introduction. This involves designing a perfect hash function for a small set of strings. It...
0. Introduction. This involves designing a perfect hash function for a small set of strings. It demonstrates that if the set of possible keys is small, then a perfect hash function need not be hard to design, or hard to understand. 1. Theory. A hash table is an array that associates keys with values. A hash function takes a key as its argument, and returns an index in the array. The object that appears at the index is the key’s...
Linear Hash Table 2. In this first question you will apply the specified operations to instances...
Linear Hash Table
2. In this first question you will apply the specified operations to instances of LinearHashTable (i.e., hash tables that use the "linear probing" approach as it was discussed in class). When such a hash table is first created, it has dimension 1 and an initial length of 2, and subsequent operations might require that the underlying array be resized, so for each of the questions below, start with the hash table specified and demonstrate (by drawing the...
You have a hash table of length 7 (tablesize 7). You are given a hash function f(x)-x % tablesize, where x is the value to be hashed and fix) is the hash address. Quadratic probing is used to resolve the collisions. The hash function receives the input 40, 26, 15, 12, 5, 17) in that order. Place each number in hash table in its correct address. The first two values are already placed in their correct positions If there isn't...
Java question need help
For the data elements can be item1, item2, item3 ,item4....
etc.
List the contents of a hash table of SIZE 10 filled using chaining Use the hash function: index= ((string. length() * 3) The data elements are: Add the elements in the order given List the elements contained in each "bucket" (if any) Elements should be chained in the order added, separated by a comma and a space If an index is empty enter the word...
Design a primary hash table data structure. a. Each hash table has an array of node pointers and can point a head of a linked list. Suppose the node class is given to you. The data type of each node is int. b. Override the default constructor with a constructor that has one default parameter called capacity. What happens to your default constructor? Create some instances of the sequence class using the new constructor in multiple ways. c. Design the...
11. Dra The size The hash function used is: the contents of the 13 hash tables below. Show your work for partial r hash table is HOk)-k mod 7 13, 17, 6, 24, 3 a) Resolve collisions with chaining b) Double hashing, where W20)-7-0mod 5) 0 1 1 2 2 3 3 4 4 5 5 6 6 c) What is the load factor for the table a? d) What is the load factor for the table b? f) Is...
Linear Hash Table
2. In this first question you will apply the specified operations to instances of LinearHashTable (i.e., hash tables that use the "linear probing" approach as it was discussed in class). When such a hash table is first created, it has dimension 1 and an initial length of 2, and subsequent operations might require that the underlying array be resized, so for each of the questions below, start with the hash table specified and demonstrate (by drawing the...
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