Certifications

Practice every track free. Sign in and get Pro to save progress and claim a shareable DSA award.

About Certifications

Practice every published DSA track free. Pro saves your progress and can claim a shareable award after verified solves, courses, streaks, and reviews.

Published certification tracks

  • DSA Foundations — Core data structures and algorithms: consistent solves and a first completed course.
  • DSA Practitioner — Sustained practice across the catalog: broad solving, several courses, and a weekly habit.
  • DSA Master — Interview-ready mastery: deep catalog coverage, long-term retention, and a durable streak.