Solved by bnb2011

#	Title	# Solved	Avg. Tries
21225	Index	60	1.55
21210	Safe Distance	47	1.40
21186	Early Orders	22	1.50
21183	Code Names	12	1.08
21173	ICPC Record Matching	17	4.06
21170	Digital Speedometer	12	2.83
21168	Agamemnon's Odyssey	15	1.27
21167	Curve Speed	213	2.00
21166	Substring Characters	20	1.05
21165	Redundant Binary Notation	18	1.11
21164	Ride-Hailing	11	3.55
21141	Kth Subtree	30	4.73
21114	Into Cactus	15	1.53
21099	Four XOR	183	2.08
21094	Discrete Logarithm is a Joke	88	1.11
21091	Increasing or Decreasing	43	2.07
21059	Methodic Multiplication	101	1.15
21054	Hiring and Firing	15	3.00
21053	Gig Combinatorics	65	1.32
21052	Film Critics	28	1.86
21050	Dams in Distress	39	1.77
21049	Coin Stacks	56	2.71
21039	Flip and Combos	29	1.52
21025	Healthy Lifestyle	13	1.31
21010	Slow Down	15	2.53
20999	Flat Organization	28	4.79
20987	Robot	50	4.12
20986	Group Photo	78	1.90
20985	Snowball	70	1.89
20984	Growing Vegetables is Fun 4	108	1.73
20983	スパイ 2 (Spy 2)	13	1.85
20982	安全点検 (Safety Inspection)	26	2.12
20981	イベント巡り (Event Hopping)	19	2.42
20980	パンケーキ (Pancake)	31	2.03
20979	往復すごろく (Round Sugoroku)	34	1.35
20978	共通要素 (Common Elements)	154	1.29
20977	JOI ソート (JOI Sort)	265	1.17
20976	2 番目に大きい整数 (The Second Largest Integer)	1,794	1.17
20972	Spaced Out	141	1.32
20971	No Time to Paint	134	2.17
20968	Telephone	65	3.32
20967	Uddered but not Herd	65	1.69
20944	팰린드롬 척화비	1,724	1.22
20937	떡국	667	2.18
20934	카드 모래성	62	1.84
20933	마스크펑크 2077	74	1.82
20932	약수 의식	77	1.58
20931	혹 떼러 갔다 혹 붙여 온다	77	2.57
20930	우주 정거장	135	2.57
20929	중간	113	3.49

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