Problems from 2018 ICPC Asia Singapore Regional

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Bitwise	960	178	19%	0.11	117	100	85%	4.2
Conveyor Belts	573	215	38%	0.03	89	81	91%	3.3
Free Food	3280	2191	67%	0.00	1799	1711	95%	1.5
Hoppers	1184	484	41%	0.07	264	224	85%	3.9
Largest Triangle	2617	399	15%	0.01	240	150	62%	6.7
Magical String	400	37	9%	0.01	65	16	25%	9.3
Non-Prime Factors	3787	915	24%	0.09	480	355	74%	5.3
Prolonged Password	365	79	22%	0.00	80	59	74%	5.4
Rectangular City	330	130	39%	0.01	86	76	88%	4.3
SG Coin	891	462	52%	0.00	278	254	91%	2.4
Sliding Blocks	337	114	34%	0.17	82	65	79%	4.5
Wi Know	1131	335	30%	0.03	177	134	76%	5.5