Problems from Southwestern Europe Regional Contest (SWERC) 2011

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Distributing Ballot Boxes	0.04	192	10186	2615	26%	4.1Medium	en
Guess the Numbers	0.01	357	769	178	23%	8.2Hard	en
Non-negative Partial Sums	0.04	420	516	151	29%	6.8Hard	en
Remoteland	0.18	644	176	93	53%	4.6Medium	en