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This article mainly shows you "LeetCode how to achieve complex linked list replication", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "LeetCode how to achieve complex linked list replication" this article.

Topic description

Please implement the copyRandomList function to copy a complex linked list. In a complex linked list, each node not only has a next pointer to the next node, but also has an random pointer to any node in the linked list or null.

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