Solved by yooh10301030

#	Title	# Solved	Avg. Tries
25501	재귀의 귀재	12,707	1.80
27866	문자와 문자열 STANDARD	52,192	1.48
28278	스택 2	11,510	2.71
30804	Fruit Tanghulu	2,156	2.93

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