Daily challenge
A bounded problem that fits into a focused practice session.
CHALLENGES
Practice one useful problem at a time.
Topic exercises, debugging tasks, SQL practice, frontend work, and interview-oriented challenges.
Tutorial exercises
Practice immediately after learning the concept.
Interview problems
Clear constraints, examples, hints, tests, and explanations.
This area is part of the phased build. It is intentionally honest rather than populated with thin or fabricated content.