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Solution: Split a Circular Linked List

Understand how to use fast and slow pointers to find the midpoint of a circular linked list and split it into two circular lists. This lesson guides you through maintaining the circular structure for both halves while efficiently traversing the list in linear time.

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 representing ...