Solved by rlawjddnr

#	Title	# Solved	Avg. Tries
14681	Quadrant Selection STANDARD	157,836	1.64
15552	빠른 A+B STANDARD	130,167	2.20
15596	정수 N개의 합	61,851	1.98
20492	세금	8,798	1.55

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