Solved by seonguk8631

#	Title	# Solved	Avg. Tries
11720	숫자의 합 STANDARD	121,204	1.79
15829	Hashing	16,671	3.30
25083	새싹 STANDARD	65,421	1.89
27866	문자와 문자열 STANDARD	47,178	1.47
28702	FizzBuzz	2,222	1.52
30802	Welcome Kit	3,007	1.73
31403	$A + B - C$	4,033	1.52

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