Petrozavodsk Programming Camp Winter 2021 Day 4: PKU Contest 1, ICPC Camp Day 2

	#	Title
A	21072	Color
B	21073	Final Exam
C	21074	Travel around China
D	21075	Minimal Cut
E	21076	Longest Loose Segment
F	21077	Insects
G	21078	Minimum Spanning Tree
H	21079	Horses
I	21080	Revenue
J	21081	Wandering