Solved by hyengchan

#	Title	# Solved	Avg. Tries
17427	약수의 합 2	4,629	2.48
18110	solved.ac	10,794	4.02
25083	새싹 STANDARD	74,141	1.89
27866	문자와 문자열 STANDARD	58,847	1.48
31403	$A + B - C$	10,956	1.59

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