Solved by xiaowuc1

#	Title	# Solved	Avg. Tries
18884	New Year and Naming	172	1.10
18885	New Year and Ascent Sequence	70	1.70
18886	New Year and Permutation	53	1.09
18890	Seollal	12	1.33
18899	Encryption Function	25	2.24
18900	Printer's Head	53	1.74
18902	Laser Intensification	7	12.14
18908	Brackets	20	1.70
18917	수열과 쿼리 38	1,346	2.71
18919	Allowed Swaps	20	2.95
18920	Banned Words	29	1.72
18921	Cost Of Subtree	104	1.65
18927	Integer Equation Checker	16	2.00
18935	Checks Post Facto 스페셜 저지	18	1.67
18937	Solo Tree Game	366	1.66
18940	숫자 카드 제거 게임	136	2.42
18964	Questionnaire	191	1.99
18977	Maximum Multiple	40	2.28
18979	Triangle Partition	46	1.61
18980	Distinct Values	9	1.33
18987	Time Zone	32	4.31
18988	Mall	21	1.38
19001	Rikka with XOR	5	3.40
19025	Time to get up!	27	1.11
19076	Competition	14	1.14
19093	Ones	21	1.19
19100	Shuffle	57	1.40
19128	Three Points	39	2.13
19155	Copying Homework	193	1.46
19157	Even Path	55	1.45
19164	Tiling Terrace	26	1.46
19177	Klothes	14	2.00
19179	Ladder	16	2.69
19219	Balls of Buma	35	1.43
19222	Elections	33	1.58
19227	Just Arrange the Icons	24	1.46
19228	Key Storage	31	2.10
19229	Lexicography	48	1.54
19230	Datum	16	2.19
19231	Birmingham	35	1.66
19234	Trener	12	2.17
19236	청소년 상어	6,159	1.54
19237	어른 상어	4,432	2.48
19238	스타트 택시	5,108	4.64
19240	Toys	117	3.03
19241	Pirates	76	2.29
19242	Matrix Sum	15	5.73
19244	Balanced Bracket Sequence	26	2.35
19249	Guessing Game	12	2.58
19250	Flat Earth	59	1.51

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