Solution: Linked List Cycle—Hashing
Explore how to detect if a linked list contains a cycle by using hashing techniques. Understand the algorithm that tracks visited nodes to return true if a cycle exists and false otherwise. Learn the step-by-step approach with a focus on both time complexity and space efficiency.
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Statement
Given the head of a linked list, check whether or not a cycle is present in the linked list. A cycle is present in a linked list if at least one node can be reached again by traversing the next pointer. If a cycle exists, return TRUE, otherwise return FALSE.
Constraints:
Let n be the number of nodes in a linked list.
n...