Hash clash, Data Structure & Algorithms

Assignment Help:

Q. What do you understand by the term by hash clash? Explain in detail any one method to resolve the hash collisions.                                                                                                   

Ans:

Hashing is not a perfect technique. The collision occurs seldom when the two different key hash into the same hash value and are also assigned to the same array element by mistake. Programmers have come up with number of techniques for dealing with this problem. An ordinary way to deal with a collision is to create a linked list of entries that have their hash value same. For example, let the key of each entry hashes to the same hash value and this process result in both being assigned to the same array element of the particular hashtable.

Because the two entries cannot be assigned the same array element, the programmer makes a linked list. The first user-explained structure is assigned to the pointer in the array element. The second isn't assigned to any of the array element and is instead linked to the first user-defined structure, therefore forming a linked list.

For example: in the below table of the size 7

42, 56 both are mapped to index 0 as 42%7=0 and 56%7=0.

25, 42, 96, 101, 102, 162, 197 can be mapped as shown below:

174_Hash clash.png


Related Discussions:- Hash clash

Luminous Jewels - The Polishing Game, Byteland county is very famous for lu...

Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec

Multidimensional array in one dimensional array, Q. By giving an example sh...

Q. By giving an example show how multidimensional array can be represented in one the dimensional array.

Importance of game theory to decisions, Question: (a) Discuss the impor...

Question: (a) Discuss the importance of game theory to decisions. (b) Explain the following: (i) saddle point, (ii) two-person zero-sum game. (c) Two leading ?rms, ABC Ltd a

Conversion of forest into tree, Conversion of Forest into Tree A binary...

Conversion of Forest into Tree A binary tree may be used to show an entire forest, since the next pointer in the root of a tree can be used to point to the next tree of the for

Determine the complexity, 1)    The set of the algorithms whose order is O ...

1)    The set of the algorithms whose order is O (1) would run in the identical time.  True/False 2)    Determine the complexity of the following program into big O notation:

Psedocodes, write a pseudocode to input the top speed (in km''s/hours) of 5...

write a pseudocode to input the top speed (in km''s/hours) of 5000 cars output the fastest speed and the slowest speed output the average (mean) speed of all the 5000 cars answers

COBOL, write a COBOL program to find the biggest of two numbers

write a COBOL program to find the biggest of two numbers

Write a program to create a heap file, Write a program to create a heap fil...

Write a program to create a heap file that holds the records in the file " data_2013 " The source records are variablelength.However, the heap file should hold fixed-length reco

#titlestrings, given the string "Data Structures & , Algorithms", write a p...

given the string "Data Structures & , Algorithms", write a program that uses sequential search to return index of ''&''

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd