Problems from 2015 Southeast USA Regionals Division 1

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Airports0.12808169842925%5.4Mediumen
Checkers0.008303335115%8.6Harden
Coverage0.0413752185023%6.2Harden
Gears0.0055150823646%3.6Mediumen
Grid0.0122512088448637%2.3Easyen
Hilbert Sort0.0438939810627%6.0Harden
Racing Gems0.032981987136%7.5Harden
Simplicity0.0054225154537%2.7Easyen
Weightlifting0.001272569537%4.7Mediumen