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 Microsoft.

What role is this question designed for?

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

In-Memory URL Shortener: Encode and Decode

Quick Overview

This question evaluates a candidate's ability to design a class-based data structure with paired encode and decode operations that maintain a consistent mapping in memory. It tests object-oriented design and hash map usage for achieving constant-time lookups, commonly asked in coding interviews to assess system design fundamentals at the data-structure level.

medium
Microsoft
Coding & Algorithms
Software Engineer

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