Linked Lists

Pointer manipulation, reversal, and cycle detection

3 chapters 10 lessons 92 min total

Singly Linked List

4 lessons · 36 min
FREE
What is a Linked List
Nodes, pointers, and memory
8 min FREE
Insertion and Deletion
Adding and removing nodes
10 min FREE
Traversal and Search
Walking through the list
8 min
Reversing a Linked List
Iterative and recursive approaches
10 min

Doubly Linked List

2 lessons · 20 min
5 credits
Doubly Linked List Basics
Forward and backward pointers
8 min
LRU Cache Implementation
Using DLL with HashMap
12 min

Advanced Problems

4 lessons · 36 min
5 credits
Cycle Detection
Floyd cycle detection algorithm
10 min
Merge Two Sorted Lists
Combining ordered lists
8 min
Remove Nth Node From End
Two-pointer technique
8 min
Flatten a Multilevel List
Recursive flattening
10 min