Solved by arnold518

#	Title	# Solved	Avg. Tries
19363	Lowest Common Ancestor	21	5.95
19340	Tree Paths	10	2.10
19336	Mines	7	5.14
19335	Increasing Costs	18	1.83
19331	Compressed Spanning Subtrees	8	1.25
19330	Berland Post	10	4.80
19328	Code-Cola Plants	12	1.42
19327	Elevator	11	1.36
19314	Swap	6	1.50
19297	MST with Metropolis	45	3.84
19279	Forest Task	14	2.00
19274	Antennas On Tree	28	1.93
19273	XorTree	13	1.23
19246	Tribute	17	1.88
19220	Cactus Revenge	9	2.00
19055	Nutella's Life	14	2.71
19041	Wavel Sequence	6	1.33
19028	Link Cut Digraph	46	2.61
18963	Phone Call	13	5.92
18947	Tree Hull	28	2.11
18942	Rhythm Game	25	8.24
18937	Solo Tree Game	306	1.68
18926	Histogram and Blue Rectangles	41	2.15
18916	Joining Points	16	1.44
18875	Favorite Colors	53	3.02
18855	Treatment Project	31	1.77
18848	Capital City	32	2.78
18845	Constellation 3	22	1.82
18843	Making Friends on Joitter is Fun	23	2.39
18839	Building 4	63	1.38
18805	Tree and Easy Queries	18	3.44
18803	방역	18	10.33
18798	OR과 쿼리	181	3.82
18796	이동하기 4	33	3.76
18794	트리와 쿼리 15	12	4.42
18779	Help Yourself (Platinum)	17	3.29
18777	Delegation (Platinum)	60	3.63
18729	Wizards Unite	38	2.21
18720	Bookface	47	1.96
18634	k-coloring	18	2.33
18622	Dedenne	13	1.46
18586	Salty Fish	28	2.68
18571	Calculating Average	25	4.28
18564	Hills And Valleys	10	1.30
18477	Jiry Matchings	16	3.13
18448	Best Subsequence	43	3.47
18435	Fire	32	1.72
18434	Olympic Bus	40	2.48
18433	Collecting Stamps 3	61	1.79
18432	JJOOII 2	73	1.40

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