Problems from 2018 ICPC Asia Singapore Regional

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Bitwise	1043	202	19%	0.11	127	110	87%	4.0
Conveyor Belts	626	234	37%	0.03	105	93	89%	4.1
Free Food	4988	3190	64%	0.00	2704	2563	95%	1.4
Hoppers	1375	574	42%	0.07	307	265	86%	3.8
Largest Triangle	3527	592	17%	0.01	280	182	65%	6.6
Magical String	409	38	9%	0.01	66	17	26%	9.2
Non-Prime Factors	4459	1089	24%	0.09	564	421	75%	5.5
Prolonged Password	377	84	22%	0.00	81	60	74%	5.8
Rectangular City	342	137	40%	0.01	87	77	89%	4.6
SG Coin	973	516	53%	0.00	312	289	93%	2.3
Sliding Blocks	345	117	34%	0.17	84	67	80%	5.2
Wi Know	1240	378	30%	0.03	189	145	77%	5.3