Solved by dltkdgns3359

#	Title	# Solved	Avg. Tries
27866	문자와 문자열 STANDARD	59,861	1.48
28278	스택 2	13,924	2.70
28279	덱 2	8,101	1.99
30802	Welcome Kit	9,902	1.87
30804	Fruit Tanghulu	3,463	2.94
31403	$A + B - C$	11,494	1.59
32297	문자열을 만들어요	486	1.27
32298	등차수열을 만들어요	197	1.83

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