Solved by arknave

#	Title	# Solved	Avg. Tries
21166	Substring Characters	20	1.05
21165	Redundant Binary Notation	18	1.11
21164	Ride-Hailing	11	3.55
21149	Unread Messages	42	2.19
21148	TripTik	10	3.10
21147	Triangular Collection	32	1.38
21146	Rating Problems	252	1.16
21145	Rainbow Numbers	20	2.45
21144	Missing Number	108	1.56
21143	Magic Trick	134	1.13
21142	Longest Common Subsequence	39	1.38
21141	Kth Subtree	30	4.73
21140	Exciting Tournament	7	1.57
21139	Exam Manipulation	63	1.24
21138	Dominating Duos	39	1.59
21136	Bitonic Ordering	32	2.00
21135	Bad Packing	36	2.61
21134	Ant Typing	40	1.93
20733	Triple Texting	131	1.20
20576	Neural Networks	1	1.00
20575	Buffon's Needle	62	2.16
20574	General Knight	49	2.80
20573	Cactus Shoppe	5	1.20
20572	Rounded Work	5	1.80
20571	Elevators	97	1.30
20570	Permutations on the Road: Alice	2	1.00
20569	Social Dancers	20	3.95
20568	Recess Rocks	62	1.11
20567	Permutations on the Road: Bob	10	1.40
20566	Serious Business	3	2.00
20565	Painting Pips	36	2.44
20349	Xortest Path	48	2.15
20341	Moderate Pace	117	1.07
20340	Lost Map	27	2.19
20339	Kleptocrat	39	1.46
20338	Jigsaw	76	2.68
20337	Incomplete Sort	100	2.32
20336	Haughty Cuisine	422	1.39
20335	Generators	90	1.71
20334	Family Fares	41	1.95
20333	Elevator Pitch	69	2.22
20332	Divvying Up	760	1.58
20331	Corrupt Judge	77	3.04
20330	Bidirectional Code	80	2.45
20045	Trading System	86	4.99
18534	Rooted Subtrees	40	1.58
18533	Lunchtime Name Recall	13	2.38
18532	Editing Explosion	12	1.08
18530	ICPC Camp	32	2.00
18529	Hopscotch 50	68	1.56

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