How do I practice coding and algorithm questions?

Use PracHub's coding console to write, test, and debug your solutions in Python or JavaScript. View hints, test against sample inputs, and compare with official solutions.

What difficulty level is this coding question?

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

What role is this question designed for?

This question is commonly asked for Software Engineer candidates at Whatnot during technical interviews.

Content Safety Filter | Whatnot Coding Question

Quick Overview

This coding question tests string parsing, tokenization logic, and pattern-matching algorithm design in a practical content moderation context. It evaluates proficiency in string manipulation, set lookups, and Trie-based multi-pattern search — progressing from single-word filtering to efficient contiguous phrase detection at scale.

medium
Whatnot
Coding & Algorithms
Software Engineer

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