Solved by blue2959

#	Title	# Solved	Avg. Tries
21736	헌내기는 친구가 필요해	7,800	1.67
25083	새싹 STANDARD	74,049	1.89
27866	문자와 문자열 STANDARD	58,730	1.48
31403	$A + B - C$	10,899	1.59

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