LeetCode Question · Sep 2021

Doordash Phone Screen

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Question Details

I got following sum for my phone interview. I asked following clarifying questions would the keys repeat? what is the input? would the input root node in the new tree...

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About This Question

This is a reported interview question from a doordash interview for a swe role during the phone screen round reported in 2021.

It covers the following topics: Binary Tree .