Review Technical Foundation: Linked Lists
Linked Lists are one of the core data structures you need to understand as a programmer. For the General Coding Assessment, you need to be ready to solve problems involving linked lists or problems where linked lists are the most efficient data structure.
Watch this video to learn more about Linked Lists. This video will cover:
- What are linked lists, the difference between linked lists and arrays
- Operations performed on linked lists
- Different types of linked lists and why they are important for interviews and the GCA
Additional Resources
Linked Lists are fundamental data structures that appear frequently in technical interviews and coding assessments. Here are additional resources to help you master this topic:
Key Operations
- Insertion: Adding nodes at the beginning, end, or middle (O(1) or O(n))
- Deletion: Removing nodes from various positions (O(1) or O(n))
- Traversal: Visiting each node in the list (O(n))
- Search: Finding a specific node or value (O(n))
- Reversal: Reversing the order of nodes (O(n))
Types of Linked Lists
- Singly Linked List: Each node points to the next node
- Doubly Linked List: Each node points to both next and previous nodes
- Circular Linked List: Last node points back to the first node
Course Resources
Common Interview Problems
These problems frequently appear in technical interviews:
- Detecting cycles in a linked list
- Finding the middle node of a linked list
- Reversing a linked list
- Merging two sorted linked lists
- Removing duplicates from a linked list
External References
Remember to understand both the theoretical aspects and practical implementation of linked lists to excel in your technical interviews and assessments.