the practice rooms
Workshop
The courses send you here and the ledgers check you off here. Drills build the reflexes, the museum shows you every way it breaks, and the bench holds the numbers with their receipts.
drills · streaks The gym One floor per path, 13 drill stations. Every answer is computed from generated dumps or real runs; streaks live in your browser. enter → failures · fixes The mistake museum One wing per path, 27 exhibits. Each is a failure that was reproduced, with its verbatim error and a fix that was run. enter → numbers · receipts The bench Every number the site shows, with its provenance: chip, dtype, shapes, date, commit. One row reads RETRACTED on purpose. enter →