Solved by i00421

#	Title	# Solved	Avg. Tries
14681	Quadrant Selection STANDARD	162,626	1.64
15552	빠른 A+B STANDARD	133,848	2.20
15733	나는 누구인가	12,632	1.18
16486	운동장 한 바퀴	6,125	1.30

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