Solved by dbswl8668

#	Title	# Solved	Avg. Tries
27110	특식 배부	2,871	1.19
27433	팩토리얼 2	15,035	2.09
27866	문자와 문자열 STANDARD	53,800	1.48
27889	Exceptional School Name	4,031	1.40
28278	스택 2	12,056	2.71

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