Problems from Southwestern Europe Regional Contest (SWERC) 2011

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Distributing Ballot Boxes	0.04	192	10387	2670	26%	4.2Medium	en
Guess the Numbers	0.01	357	778	180	23%	8.1Hard	en
Non-negative Partial Sums	0.04	420	518	151	29%	6.8Hard	en
Remoteland	0.18	644	179	93	52%	4.8Medium	en