Problems from 2018 ICPC Asia Singapore Regional

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Bitwise	567	121	21%	0.11	86	70	81%	6.0
Conveyor Belts	396	157	40%	0.03	65	61	94%	2.5
Free Food	2408	1575	65%	0.00	1336	1264	95%	1.6
Hoppers	736	326	44%	0.09	166	153	92%	3.1
Largest Triangle	1861	271	15%	0.01	177	120	68%	6.2
Magical String	313	34	11%	0.01	53	13	25%	9.1
Non-Prime Factors	2824	689	24%	0.09	345	272	79%	4.8
Prolonged Password	294	58	20%	0.00	63	48	76%	4.2
Rectangular City	240	97	40%	0.01	69	58	84%	5.3
SG Coin	584	287	49%	0.00	195	180	92%	2.3
Sliding Blocks	209	70	33%	0.17	60	46	77%	4.0
Wi Know	737	216	29%	0.03	126	106	84%	4.4