Solved by hakase

#	Title	# Solved	Avg. Tries
25501	재귀의 귀재	13,922	1.79
17478	재귀함수가 뭔가요?	20,716	2.55
2745	진법 변환 STANDARD	30,135	2.06
1008	A/B STANDARD	231,186	2.90

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