Solved by gpfl0712

#	Title	# Solved	Avg. Tries
17626	Four Squares	12,138	2.28
18110	solved.ac	10,426	4.01
25083	새싹 STANDARD	72,811	1.89
25304	영수증	78,207	1.80
25501	재귀의 귀재	13,574	1.79
27866	문자와 문자열 STANDARD	57,102	1.48

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