Solved by k2h1124

#	Title	# Solved	Avg. Tries
15650	N과 M (2) STANDARD	43,502	1.35
10828	스택	71,191	2.66
2178	미로 탐색	60,544	2.25
1932	The Triangle	43,015	1.67
1260	DFS와 BFS STANDARD	68,315	2.64

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