Solution: Split a Circular Linked List
Understand how to split a circular linked list into two circular linked lists by using the fast and slow pointer technique. This lesson guides you through finding the midpoint, breaking the list correctly, and maintaining circular integrity for both halves, with a solution that runs in linear time using 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 ...