Solved by psj1564

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	326,404	2.59
1001	A-B STANDARD	280,574	1.45
2171	직사각형의 개수	261	2.53
2884	SPAVANAC	169,369	2.64
5639	Binary Search Tree	14,548	2.61
9655	돌 게임	21,050	1.50
10809	알파벳 찾기	112,452	1.87
10869	사칙연산 STANDARD	231,705	2.24
12605	Reverse Words (Small)	4,683	1.63

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