Solved by kddh3339

#	Title	# Solved	Avg. Tries
27433	팩토리얼 2	17,856	2.09
27866	문자와 문자열 STANDARD	63,667	1.49
28278	스택 2	15,135	2.69
28279	덱 2	8,794	1.99
28702	FizzBuzz	7,698	1.63
30802	Welcome Kit	11,752	1.88
31403	$A + B - C$	13,580	1.60

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