Solved by seokzoo

#	Title	# Solved	Avg. Tries
4673	Self Numbers	71,657	2.03
2839	ŠEĆER STANDARD	95,725	2.67
2439	별 찍기 - 2 STANDARD	158,692	1.79
2178	미로 탐색	60,211	2.25
1546	평균	118,673	2.00
1463	1로 만들기 STANDARD	69,277	3.03
1260	DFS와 BFS STANDARD	67,891	2.64

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