Solved by whdnwo11

#	Title	# Solved	Avg. Tries
27866	문자와 문자열 STANDARD	53,522	1.48
27945	슬슬 가지를 먹지 않으면 죽는다	216	1.97
28702	FizzBuzz	4,612	1.59
28707	Array Sorting	494	2.08
30802	Welcome Kit	6,811	1.84
30804	Fruit Tanghulu	2,416	2.95
31403	$A + B - C$	8,194	1.57

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