Highlight unknown words while reading and turn them into reviews
Beginner10h1
Next.jsFSRSDictionary API
17/20DSA Pattern Trainer
Learn to recognise which pattern solves a problem before coding.
Intermediate14h1 person17/20 fit
Build DSA Pattern Trainer for students preparing for coding interviews in ~14h with 1 person. Stack: LLM + FSRS + Next.js.
Why it wins: Smarter interview prep.
Build flow
01 · Problem
Students grind hundreds of problems without learning patterns.
02 · Solution
Show problem statements, ask learners to choose the pattern and explain why, then give targeted hints and spaced reviews.
03 · Build
- 1Curate problems
- 2Build quiz
- 3Add explanations
- 4Schedule reviews
04 · Demo
Classify three problems and see the pattern explanations.
MVP checklist
- Pattern quiz
- Explanations
- Spaced review
- Progress
Tech stack
| Tech | Role | |
|---|---|---|
| LLM | Language model | AI |
| FSRS | Spaced-repetition scheduler | Tool |
| Next.js | Frontend + API routes | Web |
Reference repos
Open-source projects you can build on. Links checked 2026-10-31.
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