Solved by lhl2932

#	Title	# Solved	Avg. Tries
14681	Quadrant Selection STANDARD	157,776	1.64
15552	빠른 A+B STANDARD	130,131	2.20
15596	정수 N개의 합	61,851	1.98
15650	N과 M (2) STANDARD	47,806	1.35
15740	A+B - 9	10,993	1.55

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