Solved by renopark9

#	Title	# Solved	Avg. Tries
27323	직사각형	24,982	1.14
27866	문자와 문자열 STANDARD	62,938	1.48
28278	스택 2	14,975	2.69
28279	덱 2	8,697	1.98
31403	$A + B - C$	13,226	1.60

1345