Solution: Linked List Cycle
Explore how to determine if a linked list contains a cycle by using the fast and slow pointers technique. Learn to implement this approach that detects cycles with a single traversal and constant space, understanding its time and space tradeoffs for efficient coding interview solutions.
Statement
Given the head of a linked list, determine whether the list contains a cycle. A cycle exists if a node in the list can be revisited by continuously following the next pointers. Return TRUE if a cycle is present; otherwise, return FALSE.
Constraints:
Let n be the number of nodes in a linked list.
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n