Problems from Nordic Collegiate Programming Contest (NCPC) 2020

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Array of Discord	4365	912	21%	0.00	803	603	75%	4.8
Big Brother	468	211	45%	0.12	96	78	81%	5.4
Coin Stacks	3209	861	27%	0.00	671	553	82%	4.2
Dams in Distress	1270	561	44%	0.02	413	361	87%	4.2
Exhaustive Experiment	309	69	22%	0.04	78	57	73%	6.9
Film Critics	748	220	29%	0.04	203	154	76%	6.6
Gig Combinatorics	2016	718	36%	0.01	563	442	79%	4.6
Hiring and Firing	497	56	11%	0.03	100	36	36%	9.4
Infection Estimation	980	89	9%	0.00	149	66	44%	8.8
Joining Flows	983	299	30%	0.01	281	226	80%	5.2
Keep Calm And Carry Off	835	196	23%	0.01	180	121	67%	6.9
Language Survey	110	21	19%	0.00	40	18	45%	8.9
Methodic Multiplication	2002	1363	68%	0.00	992	950	96%	1.6