Data structures and algorithms in C++
2nd Edition
ISBN: 9780470460443
Author: Goodrich
Publisher: WILEY
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Expert Solution & Answer
Chapter 3, Problem 7R
Explanation of Solution
The
Algorithm:
1. Find the length of linked list till the end.
2. Print the (len-1) nth node of linked list from the beginning.
Explanation:
- The above algorithm is a simple algorithm to find the second last element of a singly linked list.
- In the algorithm there are two steps, the first one says that find the length of the linked list.
- The second step says that, print the elements up to nth node of the linked list.
Psuedocode for finding 2nd last element:
Function : find2ndLast(head, data)
1. Create variable len=0 and create temp pointer and assign the value of head;
2. Count the number of node in linked list till temp is not equal to null
while(temp!=NULL)
temp= temp->next;
len ++
end while
3. Check if value of n is not more than length of the linked list
if len less than data then return;
4...
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Chapter 3 Solutions
Data structures and algorithms in C++
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