Petrozavodsk Programming Camp Winter 2018 Day 8: Saratov SU Contest

	#	タイトル
A	19324	Three Arrays
B	19325	Expected Shopping
C	19326	Cover the Paths
D	19327	Elevator
E	19328	Code-Cola Plants
F	19329	GCD
G	19330	Berland Post
H	19331	Compressed Spanning Subtrees
I	19332	Prefix-free Queries
J	19333	Subsequence Sum Queries
K	19334	Consistent Occurrences
L	19335	Increasing Costs