FLATTEN NESTED LIST ITERATOR | LEETCODE 341 | PYTHON DFS SOLUTION

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Today we're solving a popular Facebook interview question: Flatten Nested List Iterator (Leetcode # 341). Pretty straightforward question to grasp, though implementing the code can be a tricky if you've never done it before.

This solution will be one where we use a dfs to recursively flatten the list as it's pretty intuitive to reason about and the implementation is straightforward as well.

TIMESTAMPS
00:00 Intro
00:08 Question Prompt + Basic Examples
01:54 Solution Intuition
05:09 Coding
10:25 Time/Space Complexity
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Thank you for your videos. I strongly feel that you have the best leetcode channel on YouTube.

Any chance you'd be up for doing 691. Stickers to Spell Word?

gaam