Topic
Linked List
Learn Linked List as a connected topic across chapters, concepts, simulations, and interview reasoning.
9 Concepts2 Articles33 min
Overview
Learn Linked List as a connected topic across chapters, concepts, simulations, and interview reasoning.
How this topic helps
Algorithms
Coding Interview
Data Structures
Java
Learning Path in this Topic
Series that contain articles from Linked List. Select a path to filter the article list.
Articles
2 matched articles
Article 1In-Place Reversal of a Linked List: The 3-Pointer Dance Every Interviewer ExpectsTLDR: Reversing a linked list in O(1) space requires three pointers — prev, curr, and next. Each step: save next, flip curr.next to point backward, advance both prev and curr. Learn this once and you 16 min
Article 2Fast and Slow Pointer: Floyd's Cycle Detection Algorithm ExplainedTLDR: Move a slow pointer one step and a fast pointer two steps through a linked structure. If they ever meet, a cycle exists. Then reset one pointer to the head and advance both one step at a time — 17 min