Problems from 2018 ICPC Asia Singapore Regional

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Bitwise	924	168	18%	0.11	112	96	86%	4.0
Conveyor Belts	549	203	37%	0.03	84	76	90%	3.2
Free Food	2967	1980	67%	0.00	1615	1535	95%	1.5
Hoppers	1140	465	41%	0.09	251	215	86%	3.8
Largest Triangle	2464	378	15%	0.01	231	145	63%	6.7
Magical String	372	36	10%	0.01	62	15	24%	9.3
Non-Prime Factors	3639	860	24%	0.09	456	335	73%	5.4
Prolonged Password	357	73	20%	0.00	79	56	71%	6.6
Rectangular City	318	123	39%	0.01	84	74	88%	4.1
SG Coin	851	443	52%	0.00	268	245	91%	2.3
Sliding Blocks	327	110	34%	0.17	80	63	79%	4.5
Wi Know	1103	323	29%	0.03	174	132	76%	5.4