Problems from 2015 ICPC East-Central NA Regional Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Being Solarly Systematic0.0125355646011%8.6Harden
Delete This!0.0053245718%8.4Harden
KenKen You Do It?0.0010654357718%8.1Harden
Rings0.0053597111531%3.9Mediumen
Squawk Virus0.005269990333%3.1Mediumen
Transportation Delegation0.041045182853829%5.3Mediumen
Tray Bien0.00533216148%4.2Mediumen
Trick Shot0.0017435747914%8.3Harden
What's on the Grille?0.00426236167529%3.6Mediumen