Problems from 2015 ICPC East-Central NA Regional Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Being Solarly Systematic 457 42 9% 0.02 54 28 52% 7.9
Delete This! 181 33 18% 0.00 43 27 63% 7.3
KenKen You Do It? 378 66 17% 0.00 90 48 53% 7.0
Rings 1162 398 34% 0.00 408 335 82% 3.7
Squawk Virus 1249 415 33% 0.00 433 368 85% 3.6
Transportation Delegation 663 219 33% 0.04 189 151 80% 5.7
Tray Bien 178 108 61% 0.00 107 97 91% 4.0
Trick Shot 272 47 17% 0.00 47 29 62% 6.6
What's on the Grille? 1184 348 29% 0.00 374 316 84% 3.7