Tortoise and Hare Cycle Detection Made Simple!
LeetCode 141 - How to Detect Loop in a Linked List with the Intuition behind Floyd's Cycle Detection in Linked List (with Slow and Fast Pointers)
Linked List Cycle - Floyd’s Tortoise & Hare Algorithm 🐢🐇
🔗 Problem Link: https://leetcode.com/problems/linked-list-cycle/
✅ Solution Page Link: https://dkodetree.com/solutions/linked-list-cycle
💻 Code on Github: https://github.com/dkodetree/leetcode-solutions/tree/main/0141-linked-list-cycle
📌 Related Resources:
🔗 Linked List Cycle II :👉 https://youtu.be/56dPPGfOQ0s
📌 Timestamps
00:00 - Understanding the Problem
00:19 - Hashset Approach (Brief) + Time & Space Complexity
01:28 - Floyd's Tortoise and Hare Algo (Fast and Slow Pointers) - Intuition (How and Why)
02:07 - Case 1: Cycle
05:41 - Case 2: No Cycle (with even #nodes, and odd #nodes)
07:36 - Time & Space Complexity Analysis (Fast and Slow Pointers)
07:56 - Python Code
📌 Quick Links:
🔹 Practice Series Solutions:
https://dkodetree.com/practice/series-solutions
🔹 DKodeTree Roots 25 – Foundation Problems:
https://dkodetree.com/practice/dkodetree-roots-25
🔹 Explore more:
https://dkodetree.com – Simplifying DSA for beginners!
#dkodetree #leetcode #python #interviewpreparation #linkedlist #dsa
