Solution: Split a Circular Linked List
Understand how to split a circular linked list into two halves using the fast and slow pointer technique. This lesson guides you through identifying the midpoint, breaking the list, and re-linking nodes to form two circular linked lists. You will learn to manage pointers carefully to preserve the circular nature of both resulting lists while achieving this in linear time and constant space.
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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 ...