Solved by xeungjin

#	Title	# Solved	Avg. Tries
14681	Quadrant Selection STANDARD	145,061	1.64
15596	정수 N개의 합	61,259	1.98
15649	N과 M (1) STANDARD	46,578	1.58
18870	좌표 압축	31,034	2.53

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