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 2151 1044 49% 0.00 1060 955 90% 2.2
Bottled-Up Feelings 1751 716 41% 0.00 701 619 88% 2.6
Mastering Mastermind 1098 476 43% 0.00 475 421 89% 2.5
Shuffling Along 518 233 45% 0.00 237 211 89% 2.8