doubly linked list
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Linked List | Flatten a Multilevel Doubly Linked ListAlgorithm/Linked List 2021. 5. 27. 10:16
You are given a doubly linked list which in addition to the next and previous pointers, it could have a child pointer, which may or may not point to a separate doubly linked list. These child lists may have one or more children of their own, and so on, to produce a multilevel data structure, as shown in the example below. Flatten the list so that all the nodes appear in a single-level, doubly li..