Problems from 2015 Southeast USA Regionals Division 1

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Airports0.12808174443325%5.5Harden
Checkers0.008303875113%8.9Harden
Coverage0.0413752395222%5.6Harden
Gears0.0049153424245%3.5Mediumen
Grid0.0122512326461237%1.9Easyen
Hilbert Sort0.0438943910624%6.5Harden
Racing Gems0.032982217735%6.2Harden
Simplicity0.0054269156737%2.5Easyen
Weightlifting0.001272819534%5.2Mediumen