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SubjectsEvery topic, in course order
Forge 100The 900-day challenge

Problems1,948 graded problems
ContestsTimed rounds
PlaygroundAsk a model why

Placement prepAptitude and rounds
Interview experiencesWhat was actually asked
Build a résuméFree, on this site

HackathonsWhat is on, and when
OpportunitiesInternships and roles
CampusWhat is happening near you

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Free, with nothing to buy laterColleges pay for the campus side. Nothing a student uses sits behind a price, and no part of it expires.
A real compiler, in five languagesPython, C, C++, Java and JavaScript run in a sandbox with real time and memory limits, and tell you what went wrong in plain English.
Your code stays yoursSolutions are not shared with anyone, and the problem statements here are written from scratch rather than copied from other sites.

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