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 Take-home Project rounds at Instacart.

What role is this question designed for?

This question is commonly asked for Backend Engineer candidates at Instacart during technical interviews.

Fix the Broken Search Filter in a Book Catalog API

Quick Overview

This question tests a backend engineer's ability to implement correct filtering logic, including case-insensitive substring matching, whitespace trimming, and multi-field search across structured data. It evaluates practical coding skills in applying boolean conditions and edge-case handling, commonly assessed in backend role interviews to gauge real-world API correctness.

medium
Instacart
Coding & Algorithms
Backend Engineer

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