Solved by tobyjung

#	Title	# Solved	Avg. Tries
14681	Quadrant Selection STANDARD	152,407	1.64
15552	빠른 A+B STANDARD	125,901	2.20
15596	정수 N개의 합	61,613	1.98
20500	Ezreal 여눈부터 가네 ㅈㅈ	1,572	1.35

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