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What difficulty level is this coding question?

This is a easy difficulty Coding & Algorithms question, commonly asked during Technical Screen rounds at Nextdoor.

What role is this question designed for?

This question is commonly asked for iOS Engineer candidates at Nextdoor during technical interviews.

Flatten Nested Comments | Nextdoor Coding Question

Quick Overview

This question evaluates proficiency with tree traversal and hierarchical data manipulation, specifically recursion versus iterative approaches and enforcing depth limits when flattening nested structures.

easy
Nextdoor
Coding & Algorithms
iOS Engineer

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