Finding the Entry Point of a Linked List Cycle Using Floyd's Algorithm
Problem DescriptionGiven the head of a linked list, determine the node where a cycle begins. If no cycle exists, return null. The cycle is identified when a node can be reached again by continuously following the next pointer. The solution must not modify the original linked list.Algorithm ExplanationFloyd's Cycle Detection Algorithm, also know ...
Posted on Mon, 18 May 2026 06:09:36 +0000 by jordy