Problems from Northeast North America Regional 2013

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
DVDs	0.03	78	1745	1476	85%	2.8Medium	en
Palindromes in crosswords	0.04	1947	67	38	57%	7.8Hard	en
Pegs	0.04	2516	32	14	44%	9.2Hard	en
Pipes	0.00	1371	59	21	36%	9.0Hard	en
Robot in a Maze	0.27	705	210	170	81%	5.5Hard	en
WordSpin	0.06	96	216	167	77%	5.3Medium	en