Solved by opera_tive

#	Title	# Solved	Avg. Tries
18844	Ruins 3	15	1.33
18846	Harvest	12	1.33
18849	Legendary Dango Maker 1	15	2.07
18850	Legendary Dango Maker 2	15	1.60
18851	Legendary Dango Maker 3	9	1.89
18852	Legendary Dango Maker 4	14	1.07
18853	Legendary Dango Maker 5	8	1.38
18854	Legendary Dango Maker 6	15	1.33
18855	Treatment Project	42	1.86
18856	피드백	634	1.60
18868	멀티버스 Ⅰ	739	1.71
18869	멀티버스 Ⅱ	1,158	2.55
18870	좌표 압축	35,162	2.52
18873	Circus	10	2.80
18881	Social Distancing II	293	2.79
18883	N M 찍기	1,783	2.29
18884	New Year and Naming	172	1.10
18917	수열과 쿼리 38	1,332	2.70
18921	Cost Of Subtree	104	1.65
18923	Embeddings	16	1.44
18929	Knights of Round Table	56	2.09
18933	Exotic Ancient City	9	1.33
18939	Observer Game	177	2.22
18962	Matching In Multiplication	10	1.60
18964	Questionnaire	191	1.99
18968	Circle Union	19	2.79
18977	Maximum Multiple	39	2.31
18979	Triangle Partition	46	1.61
18987	Time Zone	32	4.31
19021	Edit	3	3.00
19028	Link Cut Digraph	58	3.07
19054	Xormites	52	4.42
19056	Oleg and Data Science	7	1.57
19066	Candies	14	2.21
19076	Competition	14	1.14
19086	Leave Out All The Rest	5	2.00
19087	Faint	7	1.86
19093	Ones	21	1.19
19100	Shuffle	56	1.41
19114	Master Zhu and Candies	28	1.89
19117	Master Zhu and Video	2	1.50
19118	Master Zhu and Polygons	3	3.00
19121	Master Zhu and Instability	4	1.25
19128	Three Points	39	2.13
19133	Subset Sum	52	2.12
19134	$2x + 2$	183	2.45
19154	Kolmogorov	12	1.58
19155	Copying Homework	168	1.45
19219	Balls of Buma	35	1.43
19223	Foolprüf Security	16	1.56

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