#slowfastpointers
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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:...
Question: Write an algorithm to determine if a number n is happy. A happy number is a number defined by the following process: Starting with any...
It's a pointer algorithm that involves two pointers that move through the Array or LinkedList at different speeds. It's also known as Hare and...