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Flatten a Linked List

Linked list is one of the most common data structures that are usually covered in coding interviews. Like I mentioned in our previous post, since data structures like binary tree, linked list have limited ways of operation, the problem usually can’t be too hard in an interview. The biggest thing is to really spend your time being familiar with them.

In this post, I would focus on topics including linked list manipulation, queue, BFS and summarize some common techniques as before.

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The post is written by Gainlo - a platform that allows you to have mock interviews with employees from Google, Amazon etc..

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