Petrozavodsk Programming Camp Winter 2017 Day 3: Japanese Contest, Head of Republic of Karelia Cup, Round I

	#	Title
A	19370	Spanning Trees
B	19371	Triangle
C	19372	Boxes and Balls
D	19373	Bit Operations
E	19374	Randomized Binary Search Tree
F	19375	Election
G	19376	Hash
H	19377	K-th String
I	19378	Shortest Path Queries
J	19379	Kitamasa's Counterattack
K	19380	Wrapping
L	19381	Ascending Tree