Codeforces Round 620 (Div. 2)

	#	제목
A	24831	Two Rabbits
B	24832	Longest Palindrome
C	24833	Air Conditioner
D	24834	Shortest and Longest LIS
E	24835	1-Trees and Queries
F1	24836	Animal Observation (easy version)
F2	24837	Animal Observation (hard version)