EBK DATA STRUCTURES AND ALGORITHMS IN C
4th Edition
ISBN: 9781285415017
Author: DROZDEK
Publisher: YUZU
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Chapter 3, Problem 22E
Program Plan Intro
Self-organizing list:
- A self-organizing list, a kind of list which reorders its records depending on few heuristic self-organizing approaches to increase the average access time.
- The main goal of this is to increase the efficiency of the linear search by moving the most often accessed records to the head of the list.
- A self-organizing list attains a best case of constant time (nearly) for accessing records.
Techniques for rearranging nodes in the List:
- While ordering the records in the self-organizing list, normally the access probabilities of the records aren’t well known before.
- This issue led the researchers to develop several heuristics to estimate optimal behaviour.
- Some basic approaches used for reordering the records in the self-organizing list are given below.
- Move–to–front method (MFT)
- Transpose method.
- Count method.
- Ordering method.
Move–to–front method (MFT):
- After the required record is sited, keep that at the head of the list.
Transpose method:
- After the required record is sited, interchange that with its precursor.
Count method:
- Ordering the self-organizing list by number of times the records are being processed.
Ordering method:
- Ordering the self-organizing list by using definite criteria for information under analysis.
Explanation of Solution
(b) Efficiency of the methods when the list is implemented as a singly linked list:
- When the list is implemented as a singly linked list, a record node could be separated from the middle of the list; therefore, either two pointers are required when traversing the list, one pointer is used for the present node and the other pointer is used for the preceding node...
Explanation of Solution
(c) Efficiency of the methods when the list is implemented as a doubly linked list:
- When the list is implemented as a doubly l...
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Chapter 3 Solutions
EBK DATA STRUCTURES AND ALGORITHMS IN C
Ch. 3 - Prob. 1ECh. 3 - Prob. 2ECh. 3 - Prob. 3ECh. 3 - Prob. 4ECh. 3 - Prob. 5ECh. 3 - Prob. 6ECh. 3 - Prob. 7ECh. 3 - Prob. 8ECh. 3 - Prob. 9ECh. 3 - Prob. 10E
Ch. 3 - Prob. 11ECh. 3 - Prob. 12ECh. 3 - Prob. 13ECh. 3 - Prob. 14ECh. 3 - Prob. 15ECh. 3 - Prob. 16ECh. 3 - Prob. 17ECh. 3 - Prob. 18ECh. 3 - Prob. 19ECh. 3 - Prob. 20ECh. 3 - Prob. 21ECh. 3 - Prob. 22ECh. 3 - Prob. 23ECh. 3 - Prob. 24ECh. 3 - Prob. 25ECh. 3 - Prob. 1PACh. 3 - Prob. 2PACh. 3 - Prob. 3PACh. 3 - Prob. 5PACh. 3 - Prob. 7PA
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