Show HN: AlgoDrill – Interactive drills to stop forgetting LeetCode patterns

Published: 1 month ago (December 9, 2025 at 06:09 AM EST)

1 min read

Source: Hacker News

Overview

I built AlgoDrill because I kept grinding LeetCode, thinking I knew the pattern, and then completely blanking when I had to implement it from scratch a few weeks later.
AlgoDrill turns NeetCode 150 and more into pattern‑based drills: you rebuild the solution line by line with active recall, get firs…

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Overview

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