Problems from 2015 ICPC East-Central NA Regional Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Being Solarly Systematic0.0125355275911%8.6Harden
Delete This!0.0012302454820%8.6Harden
KenKen You Do It?0.0010653727320%8.2Harden
Rings0.00460277990032%4.1Mediumen
Squawk Virus0.005253584333%3.3Mediumen
Transportation Delegation0.041337123537731%5.8Harden
Tray Bien0.0081825414557%4.1Mediumen
Trick Shot0.0017434236716%7.6Harden
What's on the Grille?0.00452208559629%3.6Mediumen