Problems from Northeast North America Regional 2013

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
DVDs 3335 1518 46% 0.04 1124 943 84% 3.0
Palindromes in crosswords 197 39 20% 0.56 48 29 60% 8.4
Pegs 18 7 39% 0.16 10 6 60% 7.2
Pipes 114 15 13% 0.00 26 12 46% 9.1
Robot in a Maze 387 151 39% 0.27 126 104 83% 5.8
WordSpin 343 111 32% 0.06 103 81 79% 5.3