Solved by sonnee01

#	Title	# Solved	Avg. Tries
15649	N과 M (1) STANDARD	51,363	1.58
15650	N과 M (2) STANDARD	47,933	1.35
15651	N과 M (3) STANDARD	39,260	1.49
15652	N과 M (4) STANDARD	40,367	1.27
18870	좌표 압축	35,658	2.51

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