Count the Number of Elements in Linked List

This blog post is a part of a series on programming interview questions. You can find more interview questions blog post here.

Question

A common question that comes up in coding interviews is to count the number of elements in the linked list. Now, most linked list libraries have a function to get the number of elements but this cannot be used in interviews in most cases. In this post, I will show you one way to solve this problem.

Example LinkedList

Here is an example linked list of integers.

Counting Elements in a Linked List

To count the elements in a linked list, we start at the beginning of the linked list and count until we hit the end of the list.

Conclusion

In this blog post, you learned how to count the number of elements in a linked list. You can learn more about linked lists at GeeksforGeeks.

About the Author Harrison Brock

Harrison Brock is a software engineer that focuses on Full Stack web development

follow me on: