Problems from 2015 ICPC East-Central NA Regional Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Being Solarly Systematic0.0125355726010%8.7Harden
Delete This!0.0053295717%8.4Harden
KenKen You Do It?0.0010654407718%8.1Harden
Rings0.0053604111731%3.9Mediumen
Squawk Virus0.005270390533%3.1Mediumen
Transportation Delegation0.041045183654029%5.3Mediumen
Tray Bien0.00535216547%4.3Mediumen
Trick Shot0.0017435747914%8.3Harden
What's on the Grille?0.00426236467629%3.5Mediumen