Problems from Southwestern Europe Regional Contest (SWERC) 2015

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Black Vienna	107	45	42%	0.00	50	41	82%	5.7
Canvas Painting	574	212	37%	0.02	204	164	80%	3.4
Dice Cup	7679	5079	66%	0.00	4568	4429	97%	1.3
Game of Cards	125	45	36%	0.01	51	38	75%	6.0
Landscaping	220	73	33%	0.00	78	53	68%	7.8
Promotions	338	122	36%	0.02	129	91	71%	6.3
Saint John Festival	378	75	20%	0.02	80	55	69%	5.1
Sheldon Numbers	329	114	35%	0.00	144	107	74%	4.3
Text Processor	606	13	2%	0.03	141	12	9%	9.4
Wooden Signs	93	49	53%	0.01	47	39	83%	3.9