Solved by gkfnxh

#	Title	# Solved	Avg. Tries
10872	팩토리얼	84,783	1.79
11050	이항 계수 1	44,986	1.55
15439	Vera and Outfits STANDARD	14,834	1.16
15651	N과 M (3) STANDARD	40,501	1.50
15652	N과 M (4) STANDARD	41,847	1.27

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