Problems from 2015 Southeast USA Regionals Division 1

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Airports0.12808173843225%5.5Harden
Checkers0.008303465115%8.5Harden
Coverage0.0413752335122%6.4Harden
Gears0.0049153324145%3.6Mediumen
Grid0.0122512292459837%1.9Easyen
Hilbert Sort0.0438941910625%6.5Harden
Racing Gems0.032982147535%6.9Harden
Simplicity0.0054266156437%2.5Easyen
Weightlifting0.001272809534%5.1Mediumen