Solved by bsb0123456

#	Title	# Solved	Avg. Tries
15552	빠른 A+B STANDARD	120,981	2.20
15964	이상한 기호 STANDARD	16,441	1.80
25083	새싹 STANDARD	64,780	1.89
27866	문자와 문자열 STANDARD	46,370	1.47

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