Quantity is a tempting metric, but it's the enemy of quality. When we hit the 2,500-problem milestone on CodeArena, we didn't celebrate the number—we celebrated the curation.
The 3-Tier Peer Review
Every problem goes through three layers of checking before entering the Arena:
- Logic Validation: Is the problem solvable within the platform's time limits?
- Pedagogical Accuracy: Does it teach a core algorithmic concept, or is it just "trick" math?
- Edge-Case Resilience: Our custom testcase generator creates hundreds of inputs to ensure no "lazy" solutions pass.
Our goal is to ensure that when you solve a "Hard" problem on CodeArena, you haven't just memorized a pattern—you've mastered a concept that will stick with you for your entire career.