Petrozavodsk Programming Camp Summer 2018 Day 1: t.me / umnik_team Contest

	#	Title
A	18946	Ciphertext
B	18947	Tree Hull
C	18948	Tree Average Weight
D	18949	Intersection of Parabolas
E	18950	Hamming
F	18951	Knapsack
G	18952	Algebra on Segment
H	18953	Continue the Sequence
I	18954	Partition into Teams
J	18955	Determinant of a Graph