Problems from 2015 ICPC East-Central NA Regional Contest Practice Session

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Towering Problem 2733 1334 49% 0.00 1342 1210 90% 2.2
Bottled-Up Feelings 2236 912 41% 0.00 892 795 89% 2.6
Mastering Mastermind 1800 795 44% 0.00 768 698 91% 2.4
Shuffling Along 792 367 46% 0.00 360 327 91% 2.8