Linked List • Easy
Linked List Cycle
Given `head`, the head of a linked list, determine if the linked list has a cycle in it. Return `true` if there is a cycle, and `false` otherwise.
The Challenge
Given `head`, the head of a linked list, determine if the linked list has a cycle in it. Return `true` if there is a cycle, and `false` otherwise.
Pro-tip: Use Floyd's Cycle Finding Algorithm (two pointers, fast and slow).
Solution.swift Tests.swift
Output
Ready to run.