opera_tive가 해결한 문제

#	제목	푼 사람 수	평균 시도
18844	Ruins 3	14	1.36
18846	Harvest	12	1.33
18849	Legendary Dango Maker 1	14	2.14
18850	Legendary Dango Maker 2	14	1.64
18851	Legendary Dango Maker 3	8	2.00
18852	Legendary Dango Maker 4	13	1.08
18853	Legendary Dango Maker 5	7	1.43
18854	Legendary Dango Maker 6	14	1.36
18855	Treatment Project	40	1.90
18856	피드백	584	1.61
18868	멀티버스 Ⅰ	718	1.72
18869	멀티버스 Ⅱ	1,061	2.57
18870	좌표 압축	33,542	2.52
18873	Circus	10	2.80
18881	Social Distancing II	281	2.74
18883	N M 찍기	1,726	2.28
18884	New Year and Naming	164	1.10
18917	수열과 쿼리 38	1,297	2.66
18921	Cost Of Subtree	99	1.69
18923	Embeddings	15	1.47
18929	Knights of Round Table	54	2.13
18933	최소 스패닝 트리와 쿼리	9	1.33
18939	경비병 세우기 게임	159	2.18
18962	Matching In Multiplication	9	1.56
18964	Questionnaire	176	2.05
18968	Circle Union	17	2.53
18977	Maximum Multiple	38	2.34
18979	Triangle Partition	45	1.62
18987	Time Zone	33	4.21
19021	Edit	3	3.00
19028	Link Cut Digraph	56	3.07
19054	Xormites	49	4.49
19056	Oleg and Data Science	7	1.57
19066	Candies	14	2.21
19076	Competition	13	1.15
19086	Leave Out All The Rest	4	2.00
19087	Faint	6	1.83
19093	Ones	21	1.19
19100	Shuffle	50	1.38
19114	Master Zhu and Candies	28	1.89
19117	Master Zhu and Video	2	1.50
19118	Master Zhu and Polygons	2	1.50
19121	Master Zhu and Instability	3	1.33
19128	Three Points	38	2.03
19133	Subset Sum	49	2.18
19134	$2x + 2$	174	2.46
19154	Kolmogorov	12	1.58
19155	Copying Homework	168	1.45
19219	Balls of Buma	34	1.38
19223	Foolprüf Security	16	1.56

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