Solved by hcj0703

#	Title	# Solved	Avg. Tries
27866	문자와 문자열 STANDARD	58,465	1.48
28278	스택 2	13,434	2.70
28279	덱 2	7,793	2.00
28702	FizzBuzz	6,174	1.62
30802	Welcome Kit	9,226	1.87
31403	$A + B - C$	10,785	1.59

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