Solved by gkfnmen

#	Title	# Solved	Avg. Tries
11720	숫자의 합 STANDARD	135,176	1.78
14681	Quadrant Selection STANDARD	163,519	1.64
15552	빠른 A+B STANDARD	134,524	2.20
27866	문자와 문자열 STANDARD	62,891	1.48

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