Problems from 2015 ICPC East-Central NA Regional Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Being Solarly Systematic 511 51 10% 0.01 67 36 54% 8.7
Delete This! 233 46 20% 0.00 61 39 64% 8.4
KenKen You Do It? 510 97 19% 0.00 120 70 58% 8.6
Rings 1850 647 35% 0.00 642 541 84% 3.8
Squawk Virus 1940 653 34% 0.00 685 574 84% 3.5
Transportation Delegation 1109 364 33% 0.04 264 218 83% 5.8
Tray Bien 240 141 59% 0.00 143 128 90% 4.1
Trick Shot 367 60 16% 0.00 66 37 56% 8.6
What's on the Grille? 1670 503 30% 0.00 518 446 86% 3.6