Solved by yilee

#	Title	# Solved	Avg. Tries
15663	N과 M (9) STANDARD	17,983	2.03
15664	N과 M (10) STANDARD	11,260	1.26
15665	N과 M (11) STANDARD	10,560	1.31
15666	N과 M (12) STANDARD	15,166	1.24
21921	블로그	5,036	2.41
25947	Gift Discount	441	3.79

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