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 2852 1390 49% 0.00 1400 1263 90% 2.2
Bottled-Up Feelings 2335 966 41% 0.00 938 841 90% 2.4
Mastering Mastermind 1985 868 44% 0.00 840 761 91% 2.4
Shuffling Along 881 416 47% 0.00 408 370 91% 2.7