Solved by zoeyourlife

#	Title	# Solved	Avg. Tries
14425	문자열 집합	27,084	1.85
14681	Quadrant Selection STANDARD	162,732	1.64
15552	빠른 A+B STANDARD	133,937	2.20
18108	1998년생인 내가 태국에서는 2541년생?!	133,134	1.57

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