Problem Statement:
Detect if a cycle exists in a singly linked list.
✅ In this video, we explore:
Brute Force (inefficient)
HashSet-Based Detection
Floyd’s Tortoise and Hare Algorithm (O(1) space)
📌 Problem:
https://leetcode.com/problems/linked-list-cycle/
📌 Submission:
https://leetcode.com/problems/linked-list-cycle/submissions/1608251644/
📌 Timestamps:
00:00 – Intro
00:40 – Problem Explanation
01:45 – HashSet Approach
05:10 – Floyd’s Cycle Detection (Tortoise & Hare)
12:30 – Recap & Key Takeaways
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