Problems from Southwestern Europe Regional Contest (SWERC) 2011

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Distributing Ballot Boxes	0.04	192	10637	2745	26%	4.3Medium	en
Guess the Numbers	0.01	357	799	189	24%	8.0Hard	en
Non-negative Partial Sums	0.04	454	528	154	29%	6.8Hard	en
Remoteland	0.18	644	173	86	50%	4.7Medium	en