Problems from 2015 Southeast USA Regionals Division 1

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Airports0.12808173043225%5.5Harden
Checkers0.008303435115%8.6Harden
Coverage0.0413752295122%6.0Harden
Gears0.0055152323946%3.5Mediumen
Grid0.0122512255458537%1.9Easyen
Hilbert Sort0.0438941310626%6.3Harden
Racing Gems0.032982137535%6.9Harden
Simplicity0.0054263156137%2.6Easyen
Weightlifting0.001272679536%4.6Mediumen