#lowest common ancestor lca

#	Title	# Solved	Avg. Tries
13896	Sky Tax	252	3.25
15060	Imperial roads	67	2.03
15326	Usmjeri	27	4.52
15339	Counting Cycles	24	2.63
15404	Divide and Conquer	33	2.12
15480	LCA와 쿼리	901	2.17
15481	그래프와 MST	459	2.71
15521	Revenge of the Broken Door	16	5.38
15622	The Cave	5	1.40
15743	New Barns	65	3.32
15756	Disruption	66	1.95
15765	Family Tree	53	2.58
15852	ANTS	19	2.11
16062	Attack on Alpha-Zet	39	2.03
16453	Linhas de Metrô	20	1.40
16511	Pokegene	13	1.69
16748	Colorful Tree	54	2.07
17019	Exercise Route	26	2.73
17033	Cow Land	339	1.94
17366	%	16	3.81
17376	룰렛	14	2.79
17399	트리의 외심	383	2.81
17459	Fruit Tree	31	2.65
17463	교준이의 심부름꾼, 민제의 고충 ("Circle" Ver.)	7	5.29
17678	Mergers	57	4.14
17680	Construction of Highway	20	1.35
17697	Railway Trip	18	2.22
17733	Water Bottle	31	3.03
18196	정기 모임	87	4.31
18218	One-Way Conveyors	32	4.03
18365	Visits	18	3.72
18372	Infernape	33	3.21
18381	XOR과 집합과 트리와 쿼리	27	2.63
18425	Putovanje	38	1.84
18534	Rooted Subtrees	38	1.61
18794	트리와 쿼리 15	12	4.42
18889	New Year and Social Network	15	3.07
18947	Tree Hull	29	2.17
19203	Four Colors	5	1.20
19297	MST with Metropolis	45	3.84
19326	Cover the Paths	26	2.58
19363	Lowest Common Ancestor	21	5.95
19613	Mountains and Valleys	8	1.63
19619	Swapping Cities	49	2.20
19705	Roadside Advertisements	5	1.20
20132	Parity Constraint Minimum Spanning Tree	102	2.33
20295	사탕 배달	149	3.17
20391	Treasure Hunt	4	4.75
20511	Specijacija	7	6.29
20526	Курьерская служба	8	7.38

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