Solved by hackfool

#	Title	# Solved	Avg. Tries
1260	DFS와 BFS STANDARD	76,649	2.60
1753	최단경로	38,027	3.80
2557	Hello World STANDARD	368,641	2.53
2750	수 정렬하기 STANDARD	92,368	1.72
15649	N과 M (1) STANDARD	53,457	1.58

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