Solved by hyunmin0618

#	Title	# Solved	Avg. Tries
13458	시험 감독	23,729	3.36
14681	Quadrant Selection STANDARD	159,444	1.64
15552	빠른 A+B STANDARD	131,425	2.20
15651	N과 M (3) STANDARD	39,535	1.49

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