Problems from 2018 ICPC Asia Singapore Regional

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Bitwise	1627	343	21%	0.10	192	162	84%	6.6
Conveyor Belts	1087	376	35%	0.02	183	163	89%	5.3
Free Food	8978	5784	64%	0.00	4478	4236	95%	1.5
Hoppers	2652	1094	41%	0.07	541	469	87%	4.1
Largest Triangle	5655	942	17%	0.01	432	276	64%	7.5
Magical String	584	52	9%	0.01	101	28	28%	9.3
Non-Prime Factors	7421	1782	24%	0.09	861	630	73%	6.1
Prolonged Password	690	143	21%	0.00	126	94	75%	7.8
Rectangular City	528	218	41%	0.01	122	111	91%	5.1
SG Coin	1817	957	53%	0.00	564	520	92%	2.5
Sliding Blocks	546	167	31%	0.17	131	99	76%	8.2
Wi Know	1931	591	31%	0.03	272	204	75%	6.5