Problems from Northeast North America Regional 2013

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
DVDs0.04784625206345%2.9Mediumen
Palindromes in crosswords0.1519472676022%7.9Harden
Pegs0.162516301033%7.5Harden
Pipes0.0013712665621%9.1Harden
Robot in a Maze0.27104157222539%5.8Harden
WordSpin0.0611755017331%5.3Mediumen