Write a draft and tap Get feedback — the host grades correctness, edge cases, and complexity without giving away the answer. When you want to compare against the reference, hit Submit & reveal.
What's next
Pick up where you left off, or start a session.
Your journey
How will you practice?
Each mode targets a different aspect of how memory consolidates.
Write what sticks
Close your materials. Write everything you know from memory.
Explain it aloud
Pick a concept and teach it as if to a peer. Forces organization, reveals gaps.
Make it run
Write working code for scoped problems. Graded on correctness, edge cases, and complexity.
Your map
Modules grouped by tier, with the cards inside each.
Explain under pressure
Time-bounded voice interview across the whole topic. The interviewer drills into your weak areas and grades you at the end.
Module flow
Each module sits where its prerequisites resolve. The path lights up as you master modules.
Your history
A timeline of card reviews and session results.