Solved by yejun_stupid

#	Title	# Solved	Avg. Tries
25314	코딩은 체육과목 입니다	60,313	1.57
27323	직사각형	22,561	1.15
27866	문자와 문자열 STANDARD	56,931	1.48
28278	스택 2	13,037	2.71
29751	Triangle	3,876	1.42
29752	Longest Streak	1,063	1.59
31403	$A + B - C$	9,986	1.58

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