Solved by sms2358

#	Title	# Solved	Avg. Tries
27323	직사각형	21,177	1.15
27866	문자와 문자열 STANDARD	53,522	1.48
28278	스택 2	11,965	2.71
30802	Welcome Kit	6,811	1.84
31403	$A + B - C$	8,194	1.57

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