Solved by fennecfoxsw

#	Title	# Solved	Avg. Tries
2309	일곱 난쟁이	47,448	2.40
2557	Hello World STANDARD	357,038	2.54
2752	세수정렬	26,220	1.63
10869	사칙연산 STANDARD	228,966	2.24

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