How do I approach Coding & Algorithms interview questions?

Coding & Algorithms questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master coding & algorithms interviews.

What difficulty level is this interview question?

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

What role is this question designed for?

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

Implement a recent-use eviction cache

Last updated: Jun 27, 2026

Quick Overview

This question evaluates a candidate's ability to design and implement a fixed-capacity key-value cache with a recent-use eviction policy, emphasizing data structure design, state management, and meeting average O(1) time constraints for get and put operations.