Quick Overview

This question evaluates the ability to design in-memory data structures and algorithms for representing tasks with directed dependencies, manage state transitions and cascading updates, and reason about correctness, performance, and edge cases.

Implement Dependency-Aware To-Do List

Company: Perplexity

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Technical Screen

Overview: This question evaluates the ability to design in-memory data structures and algorithms for representing tasks with directed dependencies, manage state transitions and cascading updates, and reason about correctness, performance, and edge cases.

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