Solved by urd05

#	Title	# Solved	Avg. Tries
18790	N의 배수 (1)	182	3.88
18791	N의 배수 (2)	81	2.95
18798	OR과 쿼리	197	4.11
18805	Tree and Easy Queries	21	5.43
18839	Building 4	70	1.31
18843	Making Friends on Joitter is Fun	24	2.33
18844	Ruins 3	15	1.33
18858	훈련소로 가는 날	154	2.25
18859	부모님께 큰절 하고	117	5.11
18862	아쉬움이 남지만	11	4.09
18863	풀 한 포기 친구 얼굴	27	6.15
18866	젊은 날의 생이여	177	4.52
18867	편지 꼭 해다오	105	2.32
18874	Haircut	137	1.53
18901	Passwords	24	3.46
18913	Graph Coloring	58	1.74
18917	수열과 쿼리 38	1,332	2.70
18926	Histogram and Blue Rectangles	43	2.21
18929	Knights of Round Table	56	2.09
18937	Solo Tree Game	366	1.66
18938	Stone Catch Game	15	20.80
18944	Non-Decreasing Subarray Game	54	3.80
18964	Questionnaire	191	1.99
18970	Emerging Tree	10	8.20
19107	Jacana Numbers	5	7.00
19133	Subset Sum	52	2.12
19156	Cleaning Robots	12	2.17
19159	Songwriter	17	2.12
19160	Regular Forestation	25	2.56
19161	Performance Review	22	1.59
19162	Twin Buildings	35	1.49
19164	Tiling Terrace	26	1.46
19165	Addition Robot	43	1.67
19166	Road Construction	13	1.77
19197	Work	3	4.00
19218	Apprentice Learning Trajectory	29	2.79
19245	XOR	36	3.94
19249	Guessing Game	12	2.58
19263	Game of Chairs	12	1.75
19277	ADD, DIV, MAX	143	2.20
19333	Subsequence Sum Queries	26	4.15
19371	Triangle	16	2.88
19381	Ascending Tree	33	2.15
19455	Bitwise Queries	128	3.13
19464	King's Roads	19	2.63
19488	Championships	26	1.85
19515	Jong Hyok and String	9	5.44
19543	던전 지도	237	2.68
19544	함수 복원	174	2.08
19553	피자 배틀	114	2.79

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