#조합론 combinatorics

#	제목	푼 사람 수	평균 시도
18194	Bad Hair Day와 기댓값	54	1.17
18214	Reordering the Documents	54	2.04
18226	안 읽은 사람은 누구?	36	2.56
18261	Tree Depth	23	1.30
18291	비요뜨의 징검다리 건너기	688	2.98
18302	Counting Trees	36	3.17
18346	업과 격의 그래프	14	4.71
18350	순례의 끝	8	1.50
18426	Zapina	22	1.55
18453	Graph Counting	22	1.59
18455	Interesting Graph	9	1.44
18461	Disjoint LIS	35	1.31
18465	Horrible Cycles	29	1.17
18466	Ignore Submasks	19	1.53
18469	Bitwise Xor	22	2.73
18474	Grammarly	12	1.08
18481	Five Points	3	2.00
18499	Not Our Problem	6	2.50
18527	All Kill	131	1.69
18528	Grid Guardian	12	1.83
18545	The Zong of the Zee	4	1.00
18546	Expected Value	30	2.23
18554	Employees	6	1.67
18555	Modulo-magic squares	19	5.84
18556	Count the Sequences	10	3.30
18562	Fireflies	9	1.67
18565	Innocence	3	1.67
18567	Kaleidoscope	6	1.17
18570	Bus Stop	25	1.48
18573	Expected Cost	12	1.00
18576	Humongous String	1	4.00
18589	Radar Scanner	20	1.25
18598	Minimum Spanning Trees	6	1.17
18599	Line Graphs	7	1.86
18603	Dense Subgraph	6	1.50
18607	Domino Covering	14	22.14
18613	Decimal Expansion	23	1.65
18623	Eevee	8	1.50
18656	Quicksort	8	1.25
18660	Pyramid	6	1.33
18709	Flipping El-fetiera	16	2.13
18731	A Math Problem	18	3.17
18740	Potato Shuffle	15	1.20
18747	Flip	24	2.04
18763	Knowledge-Oriented Problem	16	3.00
18764	LCM Sum	7	2.71
18779	Help Yourself (Platinum)	20	3.00
18781	Help Yourself (Gold)	118	1.90
18802	Bridge Construction	15	3.67
18831	문제를 푸는 문제	4	12.25

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