LeetCode

LeetCode practice and interview copilot.

ExtraBrain reads LeetCode problem statements and your code from the screen, provides structured analysis for algorithms and data structures, and helps you review practice sessions.

Summary

Key takeaways

LeetCode Interview Practice Assistant — ExtraBrain is part of ExtraBrain's local-first Mac workflow for live interviews, meetings, transcription, provider control, and responsible AI use.

Page focus

ExtraBrain reads LeetCode problem statements and your code from the screen, provides structured analysis for algorithms and data structures, and helps you review practice sessions.

Platform fact

ExtraBrain has 1 current public platform family, macOS, with support for 2 Mac CPU families: Apple Silicon and Intel.

Data-flow fact

ExtraBrain has 3 configurable data paths to review before sensitive work: local Parakeet transcription, local Gemma 4 where installed and compatible, and external providers you choose.

LeetCode

How it works

ExtraBrain runs as a Mac desktop app alongside LeetCode in your browser. It reads the visible problem statement, constraints, and your code to provide structured context for approaching algorithms, data structures, and optimization questions.

LeetCode

Why ExtraBrain for LeetCode

Problem context

ExtraBrain reads the visible LeetCode problem, constraints, examples, and your code to understand the full context.

Practice and interview

Use ExtraBrain for solo LeetCode practice sessions and during live coding interviews that use LeetCode-style problems.

Session history

Review past practice sessions with saved problem context, your approach, and analysis for each problem.

LeetCode

Responsible use

Use any live AI assistant only where interview, workplace, school, and platform rules allow it. Do not use generated answers to misrepresent your skills, experience, or authorship.

FAQ

Common questions.

Short answers for people and crawlers comparing ExtraBrain with other live AI assistants.

Does ExtraBrain work with LeetCode?

Yes. ExtraBrain captures screen context from LeetCode in your browser, reading problem statements, constraints, and your code.

Can ExtraBrain help me practice LeetCode?

Yes. ExtraBrain provides structured analysis of algorithm and data structure problems, helping you practice more effectively.

Does ExtraBrain solve LeetCode problems for me?

ExtraBrain provides structured context and analysis to support your thinking. It does not submit solutions or interact with LeetCode directly.