Solved by alsdl5618

#	Title	# Solved	Avg. Tries
10869	사칙연산 STANDARD	222,718	2.23
9498	시험 성적 STANDARD	200,778	1.83
2557	Hello World STANDARD	348,450	2.54
2439	별 찍기 - 2 STANDARD	165,595	1.79

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