Ruby IV

#	제목	푼 사람 수	평균 시도
18517	Pick Your Own Nim	23	3.61
18544	Incomparable Pairs	6	4.67
18565	Innocence	3	1.67
18576	Humongous String	1	4.00
18588	Milk Candy	16	3.19
18592	Support or Not	14	3.00
18612	Magic Strings	4	1.00
18622	Dedenne	13	1.46
18630	Lati@s	12	3.67
18632	Goldberg Machine	2	2.00
18637	Shadow Companion	7	1.14
18658	Square Substrings	3	3.67
18662	Alexey the Sage of The Six Paths	3	4.00
18749	Hit	27	2.67
18756	Data Structure Quiz	47	5.28
18762	Junk Problem	27	3.59
18794	트리와 쿼리 15	12	4.42
18804	대안적 사실	9	3.89
18844	Ruins 3	9	1.33
18873	Circus	10	2.80
18889	New Year and Social Network	14	3.14
18890	Seollal	12	1.33
18893	남현욱	3	1.00
18918	피보나치 수의 최대공약수의 합처럼 보이지만... ×25	7	4.29
18932	트리와 쿼리 16	8	12.13
18933	최소 스패닝 트리와 쿼리	9	1.33
18985	Lyndon Substring	2	1.00
19020	Decomposition	9	3.11
19022	Flow	11	2.64
19023	Good Game	3	1.00
19028	Link Cut Digraph	46	2.61
19054	Xormites	41	4.37
19061	Polygon Rotation	1	1.00
19062	Mikhail's Problem	5	3.80
19103	Boring Game	4	6.00
19225	Help BerLine	6	2.33
19267	Kid's Nightmare	3	2.33
19281	Short Random Problem	3	1.00
19323	Dogs	5	1.20
19403	Cyclic Shifts	2	4.50
19409	Inversions in Lexicographical Order	1	4.00
19478	Pruefsumme	1	1.00
19495	Square Function	7	4.14
19509	Different Sums	10	3.40
19518	Math is Fun	3	3.33
19915	Split the Attractions	49	2.86
19928	Sky Walking	18	2.11
20066	Meetings	11	2.36
20453	Сложение без переносов	2	1.00
20469	Траектория обучения	7	6.86

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