EBK DATA STRUCTURES AND ALGORITHMS IN C
4th Edition
ISBN: 9781285415017
Author: DROZDEK
Publisher: YUZU
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Chapter 3, Problem 1E
Program Plan Intro
Circular doubly linked list:
- In a circular doubly linked list, the last node’s “Next” pointer points to first node and “Prev” pointer of first node points to last node making the list circular from both of the directions.
- The “Next” of last link points to first link of list
- The “Prev” of first link points to last of list.
- A circular doubly linked list is shown below:
Expert Solution
Explanation of Solution
Modification of linked list:
Refer figure 3.29 from chapter 3 for the given circular doubly linked list.
Assignment 1
- In the given list list->next denotes first element of list whose value is 1.
- In the given list list->next->next denotes second element of list whose value is 2.
- In the given list list->next->next->next denotes the third element of list whose value is 3
- In the given list list->prev denotes the last element of list whose value is 5, as the list is circular doubly linked list.
- Hence, assignment 1 would make the “Next” of node 3 to point to node 5. Hence, the result is “node 3 to node 5”.
Explanation of Solution
Assignment 2
- In the given list list->prev denotes first element of list whose value is 1.
- In the given list list->prev->prev denotes last element of list whose value is 5.
- In the given list list->prev->prev->prev denotes the fourth element of list whose value is 4
- In the given list list->next denotes first element of list whose value is 1
- In the given list list->next->next denotes second element of list whose value is 2
- In the given list list->next->next->next denotes the third element of list whose value is 3
- In the given list list->next->next->next->prev denotes the “Prev” of fourth element of list
- Hence, assignment 2 would make node 4 point to node 4 itself. Hence, the result is “node 4 to node 4”.
Explanation of Solution
Assignment 3
- In the given list list->next denotes first element of list whose value is 1.
- In the given list list->next->next denotes second element of list whose value is 2.
- In the given list list->next->next->next denotes the third element of list whose value is 3
- In the given list list->next->next->next->prev denotes the previous of fourth element of list
- In the given list list->prev denotes the last element of list whose value is 5, as list is circular linked list.
- In the given list list->prev->prev denotes the fourth element of list whose value is 4.
- In the given list list->prev->prev->prev denotes the previous of fourth element of list
- Hence, assignment 3 would denote same thing and list remains the same. Hence, the result is “No change”.
Explanation of Solution
Assignment 4
- In the given list list->next denotes the first element of list whose value is 1.
- In the given list list->next->next denotes the third element of list whose value is 3.
- Hence, assignment 4 would make the node 1 point to node 3. Hence, the result is “node 1 to node 3”.
Explanation of Solution
Assignment 5
- In the given list list->next denotes the first element of list whose value is 1.
- In the given list list->next->next denotes the second element of list whose value is 2.
- In the given list list->next->next->next denotes the “next” of second element of list whose value is 2.
- In the given list list->next denotes the second element of list whose value is 2.
- In the given list list->next ->prev->next denotes the first element of list whose value is 1.
- Hence, assignment 5 would make the “next” node 2 point to node 1. Hence, the result is “node 2 to node 1”.
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Students have asked these similar questions
There are some differences between the linked list and the array but the main difference between the list and the array is
a.
List is a dynamic data structure while an array is also dynamic data
b.
Array is a dynamic data structure while a List is a static data because it has a fixed size
c.
List is a static data structure while an array is also a static data because it has a variable size
d.
List is a dynamic data structure while an array is a static data because it has a fixed size
The definition of linked list is given as follows:
struct Node {
ElementType Element ;
struct Node *Next ;
} ;
typedef struct Node *PtrToNode, *List, *Position;
If L is head pointer of a linked list, then the data type of L should be ??
Max Absolute In List Function Lab
Description
Implement function max_abs_val(lst), which returns the maximum absolutevalue of the elements in list.For example, given a list lst: [-19, -3, 20, -1, 0, -25], the functionshould return 25.
The name of the method should be max_abs_val and the method should take one parameter which is the list of values to test. Here is an example call to the function
print(max_abs_val([-19, -3, 20, -1, 0, -25]))
File Name
maxabsinlst.py
Score
There are three tests each worth 2 points
Note: You do not need any other code including the main method or any print statements. ONLY the max_abs_val method is required. Otherwise, the autograder will fail and be unable to grade your code. (I.e., do not include the above example in your code.) The above example should be used be test your code but deleted or comment out upon submission.
PYTHON LAB
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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