Problems from Northeast North America Regional 2013

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
DVDs 3604 1622 45% 0.04 1220 1014 83% 3.2
Palindromes in crosswords 198 39 20% 0.56 49 29 59% 8.1
Pegs 18 7 39% 0.16 10 6 60% 7.2
Pipes 170 17 10% 0.00 40 14 35% 9.1
Robot in a Maze 401 159 40% 0.27 133 111 83% 5.8
WordSpin 354 113 32% 0.06 110 83 75% 5.4