Problems from Southwestern Europe Regional Contest (SWERC) 2011

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Distributing Ballot Boxes	0.04	181	2428	1993	82%	3.4Medium	en
Guess the Numbers	0.01	198	253	138	55%	7.5Hard	en
Non-negative Partial Sums	0.04	307	175	113	65%	6.6Hard	en
Remoteland	0.13	644	81	63	78%	4.9Medium	en