What does Linked List Cycle detect?

Question

What does Linked List Cycle detect?

Option A — Correct answer

Whether next pointers loop back to a previous node

Option B

Whether values are sorted

Option C

Whether length is even

Option D

Whether the head value is duplicated

Explanation

It detects whether following next pointers can loop back to a previous node.

Linked List Cycle - Fast and slow pointers Pattern Practice Quiz