Program an iterator for a Linked List which may include nodes which are nested within other nodes. i.e. (1)-(2)-(3(4))-((5)(6). Iterator returns 1-2-3-4-5-6

Question

Program an iterator for a Linked List which may  include nodes which are nested within other nodes. i.e. (1)->(2)->(3(4))->((5)(6). Iterator returns 1->2->3->4->5->6

Sigiloso · Accepted Answer

I don't remember the specifics of the question since I did the interview quite a while ago. In the interview itself, I tripped up on some of the smaller implementation details. There are more edge cases here than it seems at first.

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