Solved by woni0517

#	Title	# Solved	Avg. Tries
27323	직사각형	21,970	1.15
27433	팩토리얼 2	15,593	2.09
27866	문자와 문자열 STANDARD	55,425	1.48
28278	스택 2	12,558	2.72
28279	덱 2	7,256	2.01
31403	$A + B - C$	9,160	1.58

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