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
Rings0.005305297232%3.9Mediumen
Squawk Virus0.005253283833%3.2Mediumen
Transportation Delegation0.041373133440230%5.7Harden
Tray Bien0.00528915353%4.2Mediumen
Trick Shot0.0017434497316%7.7Harden
What's on the Grille?0.00426208560429%3.5Mediumen