Solved by yangpa998

#	Title	# Solved	Avg. Tries
10952	A+B - 5 STANDARD	147,185	1.90
11021	A+B - 7 STANDARD	139,349	2.04
11022	A+B - 8 STANDARD	135,020	1.47
14681	Quadrant Selection STANDARD	159,367	1.64
15552	빠른 A+B STANDARD	131,343	2.20

12