Problems from ICPC SG Preliminary Contest 2018

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Bee House Perimeter	469	222	47%	0.00	201	178	89%	3.8
Cave Exploration	970	489	50%	0.01	384	351	91%	3.4
Classical Counting	686	135	20%	0.00	153	93	61%	7.7
Fooling Around	539	171	32%	0.00	179	131	73%	5.6
Grid Game	608	293	48%	0.00	257	212	82%	4.9
Knight Search	1596	678	42%	0.00	535	462	86%	3.2
Making Palindromes	531	171	32%	0.02	158	127	80%	5.7
Modulo Data Structures	1349	486	36%	0.13	384	296	77%	4.5
Swap to Sort	1675	714	43%	0.05	575	471	82%	3.8
Unicyclic Count	349	76	22%	0.22	84	52	62%	6.6