LeetCode
Question
·
Oct 2021
FaceBook OA new grad
4 upvotes
1,863 views
4 replies
Question Details
2 Questions: 40 Minutes Q1: Write an iterator with two functions, that performs a pre-order traversal on a binary tree. A / \\ B C / / \\ D F G \\ \\ ...
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This is a reported interview question from a meta interview for a swe role (new grad level) during the oa round reported in 2021.
It covers the following topics: Binary Tree, Hash Table, Stack, Strings .
Difficulty rating: Easy
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