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LeetCode 457 Circular Array Loop - Classic Rabbit and Turtle Two Pointer Technique(Med, Java, O(n))

Jul 14, 2025 · 4 min read · Problem Statement LeetCode 457 Circular Array Loop: Cycle Detection with Direction Consistency Given an array where each element represents a step size, you start at any index and follow the steps. The goal is to find if there's a cycle that: Cont...

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Slow and Fast Pointers: 234. Palindrome Linked List

Jun 25, 2022 · 2 min read · Question: Given the head of a singly linked list, return true if it is a palindrome. Example 1: Input: head = [1,2,2,1] Output: true Example 2: Input: head = [1,2] Output: false Constraints: The number of nodes in the list is in the range [1, 105]. 0...

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LeetCode 457 Circular Array Loop - Classic Rabbit and Turtle Two Pointer Technique(Med, Java, O(n))

Slow and Fast Pointers: 234. Palindrome Linked List