Problems from 2018 ICPC Asia Singapore Regional

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Bitwise	1005	189	19%	0.11	119	102	86%	4.4
Conveyor Belts	606	231	38%	0.03	99	90	91%	3.7
Free Food	4144	2698	65%	0.00	2244	2124	95%	1.5
Hoppers	1276	542	42%	0.07	285	244	86%	3.9
Largest Triangle	3448	554	16%	0.01	269	174	65%	6.6
Magical String	402	37	9%	0.01	65	16	25%	9.4
Non-Prime Factors	4300	1047	24%	0.09	536	399	74%	5.6
Prolonged Password	367	83	23%	0.00	79	59	75%	5.6
Rectangular City	342	137	40%	0.01	87	77	89%	4.5
SG Coin	951	502	53%	0.00	303	279	92%	2.4
Sliding Blocks	340	117	34%	0.17	84	67	80%	4.6
Wi Know	1207	361	30%	0.03	182	139	76%	5.4