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Grokking the Coding Interview Patterns in Go

Solution: Split Linked List in Parts

Discover how to split a singly linked list into k parts where sizes differ by at most one node. Explore calculating part sizes, iterating the list, and disconnecting segments to return the correct array of sublists. This lesson helps you implement efficient, in-place linked list manipulation and understand the time and space complexity involved.

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Statement

You are given head of a singly linked list and an integer, k. Your task is to split the linked list into k consecutive parts.

  • Each part should have a size as equal as possible, with the difference between any two parts being at most 11.

  • If the list cannot be evenly divided, the earlier parts should have more nodes than the later ones.

  • Any parts that cannot be filled with nodes should be represented as NULL.

  • The parts must appear in the same order as in the input-linked list.

Return an array of the k parts, maintaining the specified conditions.

Constraints:

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