DrawCode Practice Problem

Design an RSS Feed Aggregator

Design a service that subscribes to many RSS/Atom feeds on a schedule, normalizes entries, deduplicates by guid/link, and exposes a unified timeline API for users. Handle etag/Last-Modified for efficient polling and detect stale or broken feeds.


Interactive Visualizer Workspace

Explore step-by-step interactive animations, memory state tracking, and live multi-language execution in DrawCode.

Launch Interactive Visualizer