🚨 Breaking News: Reach Stage 5 in the Hardcore Coding Dojo and win $9,000,000! πŸ’° Only the fastest coders will survive!

Hardcore Coding Dojo

No sign‑in. Miss 1 day = banned. Keep your streak alive.
Streak: 0
Very Hard
Beginner
Advanced
INSANE
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β€”
Hints locked. Run test to unlock.
Tests & Output
Run tests to see results.
Progress
Last active: β€”
Current streak days: 0
Stage: 1
Controls
Tip: Ctrl+Enter = Run & Test
Failing any test = retry. Hints unlock after first run.