CF Recommender
Training Lab · Beta
Sign in
Training Lab / Beta

Turn practice into a plan.

Build a short, focused problem set from your public Codeforces history, then let future plans respond to the work you record.

  • Focused practice plansChoose 2–5 problems and work without a countdown.
  • Progress-aware follow-upRecord what you solved or struggled with to shape future plans.
  • Codeforces verificationSync public submissions to confirm attempts and accepted solutions.
Beta access

Training Lab access

Sign in once, verify the Codeforces handle you control, and build your first plan.

  1. 01
    Sign in with GoogleKeeps your active plan and progress tied to you.
  2. 02
    Verify your handleConnect the public Codeforces account you use.
  3. 03
    Build a practice planChoose your focus and start when you are ready.

Training Lab uses Google sign-in so plans and recorded progress stay account-owned.

Practice guidance only. Codeforces evidence comes from public API data.
How it worksPrivacyTerms
CF Recommender© 2026 / deliberate practice systems
Built by Shaun