#
DIFF.BLOG
New
Following
Discover
Jobs
More
Top Writers
Suggest a blog
Upvotes plugin
Report bug
Contact
About
Sign up
The home for great developer writing.
Discover the best posts from developers and engineering teams, all in one place.
Join now
→
Learn more
TOPICS
Howto Find the Start of a Cycle in a Linked List
1
·
·
June 3, 2026, 8:52 p.m.
algorithms
data-structures
linked lists
software development
Summary
This blog post explains Floyd’s Fast and Slow Pointer algorithm, which is used to detect cycles in a linked list and to find the starting node of a loop efficiently, requiring only O(n) time and O(1) space.
Read full post on jsdev.space →
MORE POSTS LIKE THIS
Production ML-DSA Verification in 350 Lines of Python
Filippo Valsorda ·
Jul 26, 2026
Machine Learning
data-structures
A Theory of Arrays (ToA) Union Find
philzook58 ·
Jul 3, 2026
union-find
data-structures
Adaptive Radix Tree
Kent Beck ·
May 4, 2026
Adaptive Radix Tree
data-structures
How to Build an LRU Cache from Scratch in JavaScript
jsdevspace ·
Mar 6, 2026
Javascript
data-structures
Finding Min and Max Without Built-in Functions: A Python Tutorial
Vicente G. Reyes ·
Nov 18, 2025
Python
beginners
Non-recursively deleting a binary tree in constant space: Traversal with parent pointers
Raymond Chen ·
Nov 5, 2025
Old New Thing
Code
Discover more posts →
AUTHOR
RECENT POSTS FROM THE AUTHOR
Choose how you want to continue.
Continue with GitHub
Continue with Google