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 2337 1153 49% 0.00 1154 1047 91% 2.0
Bottled-Up Feelings 1909 786 41% 0.00 769 682 89% 2.5
Mastering Mastermind 1277 559 44% 0.00 547 491 90% 2.4
Shuffling Along 589 268 46% 0.00 269 243 90% 2.7