Petrozavodsk Programming Camp Summer 2019 Day 7: Petr Mitrichev Contest 15

	#	タイトル
A	18640	AI
B	18641	Bitwise Automaton
C	18642	Challenge
D	18643	Game of Hex
E	18644	Marketing
F	18645	Graph Measurement
G	18646	Quicksort
H	18647	Spaceship
I	18648	Three-Step Tunnels
J	18649	Lowest Unique