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Grokking the Coding Interview Patterns in C#

Linked List Cycle

Explore the fast and slow pointers method to identify cycles in linked lists. Learn to implement efficient solutions that detect if a linked list contains a cycle, preparing you for coding interviews and problem-solving.

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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.

  • 0≤0\leq
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