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 Peregrine.

What role is this question designed for?

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

Fetch, group, and print paginated activities | Peregrine Interview Question

Fetch, group, and print paginated activities

Last updated: Mar 29, 2026

Quick Overview

This question evaluates the ability to consume paginated APIs, aggregate and transform results (including mapping user IDs to user names), design a simple domain class for grouping, and implement grouping logic by type and name, testing skills in API interaction, data modeling, and data processing within the Coding & Algorithms domain.

Peregrine

Aug 4, 2025, 10:55 AM

Software Engineer

Technical Screen

Coding & Algorithms

Question

Given a paginated API that returns (totalCount, activities[]) for a requested page, implement code that iterates through all pages and prints every activity. After fetching all activities, group them into clumps where each clump contains activities sharing the same type and name. Implement a Clump class with attributes: activities list, type, and name, and return the clumps. Update the output so each activity shows the user’s name (retrieved from a separate getUserName(userId) API) instead of the user ID.

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