Solved by 914pelmae

#	Title	# Solved	Avg. Tries
15829	Hashing	19,245	3.33
18108	1998년생인 내가 태국에서는 2541년생?!	126,853	1.57
25083	새싹 STANDARD	72,973	1.89
27866	문자와 문자열 STANDARD	57,328	1.48
30802	Welcome Kit	8,670	1.86
31403	$A + B - C$	10,210	1.58

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