Solved by minxu_c

#	Title	# Solved	Avg. Tries
11654	아스키 코드 STANDARD	121,474	1.23
11720	숫자의 합 STANDARD	129,620	1.79
15829	Hashing	19,127	3.33
25083	새싹 STANDARD	72,602	1.89
27866	문자와 문자열 STANDARD	56,880	1.48
30802	Welcome Kit	8,464	1.85
31403	$A + B - C$	9,967	1.58

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