#깊이 우선 탐색 dfs

#	제목	푼 사람 수	평균 시도
31029	Split the SSHS 2	11	4.45
31740	Split the SSHS 3	69	1.70
17748	Spy	22	1.18
15202	Stablo	6	1.83
19681	Star Trek	10	8.20
19938	Stations	69	2.36
8121	Step Traversing a Tree	27	1.26
7919	Strażak	1	9.00
8128	Subway	45	6.42
15867	Subway	29	3.59
23529	Sum of Distances in Cactus	5	8.80
9859	Super Phyllis	7	2.86
6945	Surfing	2	11.50
22682	Surrounding Area	18	1.67
26423	Suspects and Witnesses	6	1.17
30086	Svarbiausiasis tiltas	3	4.00
19314	Swap	6	1.50
8814	Słownik	2	5.00
19052	Taxi	7	1.43
24490	Tests for Haybales	35	2.23
7858	Tetris Alphabet	6	2.50
16762	The Cow Gathering	47	3.34
6304	The die is cast	12	2.17
4114	The Heart of the Country	6	1.83
5992	The Leisurely Stroll	34	1.06
6174	The Loathesome Hay Baler	28	3.21
10346	The Maze Makers	11	1.27
6584	The Settlers of Catan	13	2.08
29789	The Ties That Guide Us	2	8.00
10210	The Trojan Horse	19	1.74
16795	Thread Tree	18	1.06
8063	Three-Coloring of Binary Trees	6	1.50
21825	Through Another Maze Darkly	19	1.95
24762	Ticket Completed?	20	1.45
20179	Tiling Polyomino	19	2.84
3973	Time To Live	71	3.00
7139	Toll	34	2.35
10134	Tourism	8	4.13
10794	Tours	36	3.08
26533	Tractor Path	39	1.38
30422	Trade	1	1.00
3311	Traffic	53	2.75
10229	Traffic Congestion	16	1.75
24969	Traffickers	3	4.33
7827	Transitive Closure	55	2.13
13353	Translators’ Dinner	27	1.78
11259	Travel of alphabets	13	1.69
24935	Travelling Caterpillar	20	1.65
12343	Treasure (Large)	15	2.07
11429	Tree	18	1.56

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