Solved by koosaga

#	Title	# Solved	Avg. Tries
19303	Aftermath	154	1.47
19302	XOR Transformation	11	1.27
19301	Subsequence Queries	3	1.67
19299	Sum of Squares of the Occurrence Counts	4	2.00
19297	MST with Metropolis	45	3.84
19296	Computing MDSST	4	1.75
19295	Central Lake	5	2.60
19294	Dynamic Input Tool	7	1.43
19293	Earthquake	2	1.00
19292	Circular Arrangement	3	1.00
19291	Donut	10	2.10
19290	Hiding a Tree	10	11.70
19285	Shuffle	9	1.67
19283	Lunch Queue	13	3.85
19282	Block, Stock and Two Smoking Galaxy Notes	9	1.00
19281	Short Random Problem	3	1.00
19280	Ability Draft	7	2.43
19279	Forest Task	16	2.31
19277	ADD, DIV, MAX	132	2.02
19276	Generalized Insertion Sort	6	1.33
19275	Rectangles	7	1.29
19274	Antennas On Tree	27	1.96
19273	XorTree	13	1.23
19272	Knapsack and Queries	3	1.33
19271	Construct Point	11	3.55
19269	Vacant Seat	20	2.10
19267	Kid's Nightmare	3	2.33
19265	Is It a p-drome?	25	3.56
19264	Hung Fu	9	2.33
19262	Fresh Matrix	4	1.25
19261	Enumeration of Tournaments	5	1.20
19260	DotA Quals	8	1.75
19256	Related Languages	7	1.29
19253	Don't Split The Atom!	41	1.41
19250	Flat Earth	56	1.54
19247	Boardroom Meeting	11	2.73
19246	Tribute	22	1.82
19243	Team Partition	13	2.08
19239	min-xor	19	2.58
19234	Trener	12	2.17
19231	Birmingham	34	1.68
19230	Datum	14	2.21
19229	Lexicography	46	1.57
19226	Intriguing Selection	18	3.22
19225	Help BerLine	5	2.60
19224	Game Relics	12	1.33
19223	Foolprüf Security	16	1.56
19220	Cactus Revenge	10	1.90
19219	Balls of Buma	34	1.38
19218	Apprentice Learning Trajectory	26	2.92

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