Problems from 2015 Southeast USA Regionals Division 1

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Airports0.12808169442925%5.3Mediumen
Checkers0.008303305115%8.6Harden
Coverage0.0413752155023%6.2Harden
Gears0.0055150523647%3.6Mediumen
Grid0.0122511959441837%2.3Easyen
Hilbert Sort0.0438939510627%6.0Harden
Racing Gems0.032981936936%7.6Harden
Simplicity0.0054205153837%2.7Easyen
Weightlifting0.001272529337%4.8Mediumen