Problems from 2015 ICPC East-Central NA Regional Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Being Solarly Systematic0.0129155335911%8.5Harden
Delete This!0.0052925418%8.4Harden
KenKen You Do It?0.0010654017719%8.0Harden
Rings0.005311098232%4.0Mediumen
Squawk Virus0.005253584033%3.2Mediumen
Transportation Delegation0.041373143044231%5.5Harden
Tray Bien0.00529215352%4.2Mediumen
Trick Shot0.0017434507416%7.6Harden
What's on the Grille?0.00426208860529%3.5Mediumen