#tree trees

#	Title	# Solved	Avg. Tries
19178	(Smurf)Land protection	9	2.33
19203	Four Colors	5	1.20
19273	XorTree	14	1.36
19274	Antennas On Tree	31	1.87
19281	Short Random Problem	3	1.00
19290	Hiding a Tree	10	11.70
19297	MST with Metropolis	45	3.84
19307	Exit Song	8	1.63
19326	Cover the Paths	27	2.56
19332	Prefix-free Queries	6	8.00
19335	Increasing Costs	25	1.72
19340	Tree Paths	10	2.10
19363	Lowest Common Ancestor	22	5.73
19381	Ascending Tree	33	2.15
19386	HDRF	8	1.63
19437	Fantasia	13	6.46
19463	Jumping on a Tree	7	4.43
19474	Values on a Tree	7	3.14
19497	Subtract if Greater!	9	6.00
19501	XOR Tree	3	5.67
19507	Best Division	2	1.00
19530	숭고한 마라톤 대회	11	2.09
19531	적절한 문자열 문제	18	7.28
19535	ㄷㄷㄷㅈ	992	3.42
19540	인버스 ㄷㄷㄷㅈ	72	2.17
19542	전단지 돌리기	768	2.55
19547	애완 트리	36	3.08
19551	관광 사업	13	6.15
19560	Village	29	1.90
19561	Viruses	3	1.33
19581	두 번째 트리의 지름	366	2.57
19585	전설	950	7.32
19589	카드 셔플	69	3.17
19613	Mountains and Valleys	8	1.63
19619	Swapping Cities	52	2.35
19620	Fun Tour	11	3.55
19626	Winter Driving	4	1.00
19641	중첩 집합 모델	219	2.32
19642	TORIE	31	2.03
19669	Firefighting	23	2.30
19681	Star Trek	10	8.20
19683	Spring cleaning	24	2.13
19705	Roadside Advertisements	7	1.14
19728	Preparing Tests	5	5.60
19854	직선형 분자 만들기	20	5.60
19862	Koosaga's problem	27	1.93
19904	Экспедиция	7	3.86
19915	Split the Attractions	56	2.79
19938	Stations	81	2.57
19989	Гномы и Одинокая гора	4	3.50

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