Problems from 2015 ICPC East-Central NA Regional Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Being Solarly Systematic 473 44 9% 0.02 58 30 52% 8.5
Delete This! 188 36 19% 0.00 46 29 63% 7.4
KenKen You Do It? 403 73 18% 0.00 97 53 55% 7.4
Rings 1380 469 34% 0.00 476 393 83% 3.8
Squawk Virus 1403 469 33% 0.00 489 416 85% 3.6
Transportation Delegation 743 233 31% 0.04 205 165 80% 5.6
Tray Bien 196 117 60% 0.00 119 106 89% 4.3
Trick Shot 298 48 16% 0.00 55 30 55% 8.0
What's on the Grille? 1385 403 29% 0.00 427 362 85% 3.8