Problems from Calgary Collegiate Programming Contest 2021

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Combinatorial Stanley Cup	166	94	57%	0.00	103	87	84%	3.3
Donations	79	15	19%	0.00	28	15	54%	8.7
Double Agent Conference	99	32	32%	0.02	47	31	66%	5.5
Halting After All	73	20	27%	0.00	24	19	79%	6.5
Illuminati Spotti	67	37	55%	0.02	37	30	81%	4.3
Predicting GME	149	46	31%	0.00	66	46	70%	6.1
PrintQuoter3D	84	38	45%	0.01	48	36	75%	5.8
Star Battles I	250	103	41%	0.00	107	98	92%	2.8
Star Battles II	55	30	55%	0.01	30	28	93%	3.5
The Council	32	20	62%	0.04	19	18	95%	4.1
Which Bits?	368	68	18%	0.27	62	41	66%	6.1
Working From Home	215	44	20%	0.00	51	41	80%	4.5