#해 구성하기 constructive

#	제목	푼 사람 수	평균 시도
20108	Pebbling odometer 2	17	2.59
20109	Pebbling odometer 3	16	1.69
20111	Pebbling odometer 5	7	2.71
20118	호반우가 길을 건너간 이유	85	1.96
20121	카드 셔플	40	2.83
20123	L-트로미노 계단	35	2.51
20142	Vista 5	8	1.75
20173	Imprecise Computer	120	1.94
20179	Tiling Polyomino	19	2.84
20202	Euklid	40	3.40
20242	Keys and Locks Boolean Logic	6	6.83
20243	Lost Permutation	14	2.93
20246	Pac-Man	37	1.46
20311	화학 실험	272	2.83
20330	Bidirectional Code	78	2.45
20337	Incomplete Sort	95	2.35
20345	XOR Sort	7	6.57
20354	Blackboard Reconstruction	10	2.00
20470	Наибольший общий делитель	26	1.12
20503	Haven	18	3.06
20507	Knjige	18	1.89
20521	Экспериментальная робототехника	6	4.33
20662	Hop	31	2.06
20675	Science Fiction	9	1.78
20690	Exchange Bottleneck	22	1.77
20699	Almost Balanced Tree	14	2.14
20701	Color the Tree	20	1.45
20903	Confined Catching	22	2.09
20909	Impressive Integers	24	2.67
20913	Mixtape Management	54	1.57
20921	그렇고 그런 사이	546	1.74
20941	성싶당	100	2.55
21003	Social Distancing	8	2.00
21007	Patrol Drone	7	2.29
21013	Occult Square	11	1.55
21042	Triangle of Safety	16	2.25
21047	Array of Discord	43	2.35
21058	Language Survey	16	5.56
21061	Beautiful Permutation	54	1.63
21085	Output Limit Exceeded	8	1.63
21087	Thanks to MikeMirzayanov	9	2.89
21091	Increasing or Decreasing	37	1.95
21114	Into Cactus	14	1.50
21131	Brilliant Sequence of Umbrellas	34	1.91
21133	N-Queen 2	213	2.93
21251	Premove Checkmate	7	1.71
21262	K Co-prime Permutation	27	1.15
21326	Lab planning	7	1.29
21344	Hot Springs	88	1.40
21410	Сумма цифр	10	1.50

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