Solved by chahyon21

#	Title	# Solved	Avg. Tries
15649	N과 M (1) STANDARD	52,396	1.58
15650	N과 M (2) STANDARD	48,926	1.35
15651	N과 M (3) STANDARD	39,973	1.50
15652	N과 M (4) STANDARD	41,268	1.27
17298	오큰수	25,780	2.85
18258	큐 2	31,393	3.03

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