Problems from Southwestern Europe Regional Contest (SWERC) 2011

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Distributing Ballot Boxes	0.04	181	11592	3061	26%	3.6Medium	en
Guess the Numbers	0.01	357	887	206	23%	7.8Hard	en
Non-negative Partial Sums	0.04	420	571	160	28%	6.7Hard	en
Remoteland	0.13	644	256	119	46%	4.6Medium	en