Problems from Northwestern Europe Regional Contest (NWERC) 2021

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Access Denied	528	118	22%	0.01	106	98	92%	3.4
Boredom Buster	66	6	9%	0.46	18	6	33%	6.4
Cutting Edge	1	0	0%	--	1	0	0%	6.2
Dyson Circle	87	45	52%	0.02	44	39	89%	3.3
Exchange Students	56	14	25%	0.09	18	9	50%	7.6
Flatland Olympics	78	24	31%	0.04	26	15	58%	7.0
Glossary Arrangement	65	43	66%	0.12	37	35	95%	3.5
Heating Up	178	47	26%	0.09	50	40	80%	5.8
IXth Problem	11	8	73%	0.00	8	8	100%	4.4
Jet Set	206	68	33%	0.00	55	50	91%	4.0
Knitpicking	196	132	67%	0.00	113	109	96%	2.0
Lucky Shirt	30	20	67%	0.02	19	19	100%	3.9