Grokking Advanced Coding Patterns for Interviews
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Copy List with Random Pointer (medium)
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Problem Statement

You are given a linked list where each node contains an additional random pointer. This pointer could point to any node in the list or be null.

Create a deep copy of this linked list. The deep copy should have n new nodes, where each new node's value matches the value of its corresponding node in the original list. Additionally, both the next and random pointers of the new nodes should point to the new nodes in the copied list.

The pointers in the copied list should maintain the same structure as the original list

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