Solved by fennecfoxsw

#	Title	# Solved	Avg. Tries
2309	일곱 난쟁이	48,906	2.40
2557	Hello World STANDARD	366,157	2.54
2752	세수정렬	26,995	1.63
10869	사칙연산 STANDARD	235,548	2.24

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