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Solution: Split a Circular Linked List

Explore how to split a circular linked list into two equal circular lists by applying the fast and slow pointer method. This lesson helps you understand midpoint detection in circular data structures and maintaining circular connections, improving your ability to solve linked list problems in coding interviews.

Statement

Given a circular linked list, list, of positive integers, split it into two circular linked lists. The first circular linked list should contain the first half of the nodes (exactly ⌈list.length / 2⌉ nodes) in the same order they appeared in the original list, while the second circular linked list should include the remaining nodes in the same order.

Return an array, answer, of length 2, where:

  • answer[0] is the head of the circular linked list ...