Solved by Kandelion

#	Title	# Solved	Avg. Tries
2504	괄호의 값	15,839	3.16
2588	곱셈 STANDARD	177,756	2.15
5052	Phone List	10,794	3.16
11653	소인수분해	56,391	1.85
11723	집합	31,334	3.38

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