Linked List Cycle II - LeetCode | Floyd’s Tortoise & Hare Algorithm | Java Solution
Linked List Cycle II - LeetCode | Floyd’s Tortoise & Hare Algorithm | Java Solution
🚀 In this video, we solve the LeetCode problem "Linked List Cycle II" using Floyd’s Cycle Detection Algorithm (Tortoise & Hare Algorithm). We break down the logic step by step with mathematical proof and code implementation in Java.
🔥 What You’ll Learn in This Video:
✅ Understanding how to detect a cycle in a linked list.
✅ How to find the starting node of the cycle using Floyd’s Algorithm.
✅ Mathematical proof behind the entry point detection.
✅ Step-by-step dry run with an example.
✅ Optimized O(N) time complexity solution with O(1) space.
📌 Code Implementation: Java solution with a detailed explanation.
💡 Example Discussed in the Video:
Input: head = [3,2,0,-4], pos = 1
Output: Cycle starts at node 2
🔗 LeetCode Problem Link: https://leetcode.com/problems/linked-...
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#LeetCode #LinkedList #FloydAlgorithm #CycleDetection #DSA #Java #SiddharthNagaych #CodingInterview #TechCoding
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