Solved by mkccip

#	Title	# Solved	Avg. Tries
28278	스택 2	13,062	2.71
28279	덱 2	7,594	2.00
28702	FizzBuzz	5,768	1.61
30802	Welcome Kit	8,574	1.86
31403	$A + B - C$	10,083	1.58

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