Problems from Northeast North America Regional 2013

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
DVDs0.04784862213544%2.9Mediumen
Palindromes in crosswords0.1519472585521%8.0Harden
Pegs0.052516651828%8.2Harden
Pipes0.0021302795821%9.1Harden
Robot in a Maze0.2770558122739%5.9Harden
WordSpin0.069856917731%5.2Mediumen