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Reorder List

Understand how to reorder a singly linked list by changing only the links between nodes, folding the list on itself. Learn to manipulate linked lists in-place for efficient node reordering without altering node values. Practice this essential linked list technique, crucial for coding interviews.

Statement

Given the head of a singly linked list, reorder the list as if it were folded on itself. For example, if the list is represented as follows:

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