Problems from ICPC SG Preliminary Contest 2018

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Bee House Perimeter	384	180	47%	0.00	170	150	88%	4.1
Cave Exploration	668	339	51%	0.01	292	262	90%	3.7
Classical Counting	571	115	20%	0.01	143	86	60%	7.9
Fooling Around	368	127	35%	0.00	149	107	72%	5.6
Grid Game	504	241	48%	0.00	233	188	81%	5.0
Knight Search	1409	590	42%	0.00	471	408	87%	3.1
Making Palindromes	388	134	35%	0.02	139	110	79%	6.3
Modulo Data Structures	1179	397	34%	0.13	346	259	75%	4.6
Swap to Sort	1442	572	40%	0.05	480	386	80%	3.9
Unicyclic Count	264	60	23%	0.22	75	43	57%	7.4