Solved by gkstmd1014

#	Title	# Solved	Avg. Tries
11650	좌표 정렬하기 STANDARD	62,515	2.06
11651	좌표 정렬하기 2	52,169	1.49
14681	Quadrant Selection STANDARD	161,165	1.64
15552	빠른 A+B STANDARD	132,839	2.20

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