Problems from Southwestern Europe Regional Contest (SWERC) 2011

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Distributing Ballot Boxes	0.04	192	11321	2974	26%	3.9Medium	en
Guess the Numbers	0.01	357	859	198	23%	8.0Hard	en
Non-negative Partial Sums	0.04	420	549	159	29%	6.8Hard	en
Remoteland	0.18	644	202	95	47%	4.7Medium	en