opera_tive가 해결한 문제

#	제목	푼 사람 수	평균 시도
21020	Combination Lock	1	1.00
21021	Prize Coupon	21	1.62
21022	Three Points for a Win	235	1.08
21027	Presidential Game	46	1.20
21030	Frequent Alphabet	56	1.13
21032	Odd GCD Matching	41	1.20
21035	Simple Operations in Matrix	97	1.12
21036	Mini Market	15	4.53
21040	Maximum Subset	53	1.74
21041	Largest Exotic Number	31	1.65
21042	Triangle of Safety	24	2.13
21044	Inverse Common Superstring	68	1.54
21049	Coin Stacks	56	2.71
21053	Gig Combinatorics	65	1.32
21059	Methodic Multiplication	101	1.15
21061	Beautiful Permutation	55	1.65
21084	Multiple?	16	1.44
21092	Rectangle Painting	9	1.44
21105	New Financial Year	267	1.15
21112	Easter Gift	22	1.45
21121	Brave Seekers of Unicorns	19	1.47
21131	Brilliant Sequence of Umbrellas	41	2.05
21138	Dominating Duos	41	1.59
21139	Exam Manipulation	66	1.23
21142	Longest Common Subsequence	43	1.35
21143	Magic Trick	142	1.13
21144	Missing Number	118	1.53
21146	Rating Problems	262	1.16
21147	Triangular Collection	33	1.36
21149	Unread Messages	43	2.16
21156	A Rank Problem	71	1.54
21167	Curve Speed	213	2.00
21170	Digital Speedometer	12	2.83
21176	Smoothie Stand	58	1.64
21177	No Thanks!	101	1.40
21180	Reconstruct Sum	130	1.35
21181	Kangaroo Party	65	1.08
21183	Code Names	12	1.08
21185	Some Sum	634	1.68
21186	Early Orders	22	1.50
21187	Pulling Their Weight	19	1.05
21189	On Average They're Purple	38	1.21
21191	This Ain't Your Grandpa's Checkerboard	69	1.17
21194	Meditation	161	1.21
21197	Stopwatch	292	1.15
21198	Arithmetic Decoding	20	1.05
21200	Forced Choice	219	1.11
21202	Conquest	37	1.68
21203	Distance	46	1.61
21205	Vaccine Efficacy	48	1.58

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