Problems from 2015 ICPC East-Central NA Regional Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Being Solarly Systematic 462 43 9% 0.02 57 29 51% 8.5
Delete This! 188 36 19% 0.00 46 29 63% 7.1
KenKen You Do It? 403 73 18% 0.00 97 53 55% 7.1
Rings 1314 436 33% 0.00 453 369 81% 3.8
Squawk Virus 1351 449 33% 0.00 471 400 85% 3.5
Transportation Delegation 729 231 32% 0.04 202 163 81% 5.6
Tray Bien 194 115 59% 0.00 117 104 89% 4.1
Trick Shot 298 48 16% 0.00 55 30 55% 7.9
What's on the Grille? 1361 396 29% 0.00 423 358 85% 3.7