Problems from 2015 ICPC East-Central NA Regional Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Being Solarly Systematic 356 34 10% 0.09 53 27 51% 8.0
Delete This! 181 33 18% 0.00 43 27 63% 7.3
KenKen You Do It? 371 65 18% 0.00 89 47 53% 7.1
Rings 1134 386 34% 0.00 397 325 82% 3.7
Squawk Virus 1220 406 33% 0.00 424 359 85% 3.6
Transportation Delegation 643 214 33% 0.04 179 146 82% 5.6
Tray Bien 177 107 60% 0.00 106 96 91% 4.0
Trick Shot 272 47 17% 0.00 47 29 62% 6.5
What's on the Grille? 1172 345 29% 0.00 371 313 84% 3.7