Solved by whi750105

#	Title	# Solved	Avg. Tries
27323	직사각형	18,792	1.15
27433	팩토리얼 2	13,120	2.08
27866	문자와 문자열 STANDARD	48,274	1.47
28278	스택 2	10,181	2.71
28279	덱 2	5,871	2.01

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