Master coding interviews in one arena
DSA challenges, test cases, and real-time AI follow-up on your approach — run a sample in the playground.
Trusted by learners at
Features
Everything you need
Live code editor
Write and run code in multiple languages.
Company-style problems
Practice patterns asked at top tech firms.
AI follow-up interview
Answer real-time questions about your approach after coding.
Community
What people are saying
“The follow-up questions after coding felt close to what I get in actual interviews.”
Rohit G.
SDE candidate
“Good for daily practice. Test cases are straightforward and the editor works fine.”
Lisa T.
CS student
“Helped me get comfortable explaining my approach out loud, not just writing code.”
Dev I.
New graduate
FAQ
Common questions
Which languages are supported?
JavaScript, Python, Java, C++, and more in the full product.
Is the playground free to try?
Yes — run the demo on this page without signing up.
Are problems company-specific?
Mix of classic DSA and company-style patterns.