Solved by kimyuri

#	Title	# Solved	Avg. Tries
17478	재귀함수가 뭔가요?	18,983	2.56
10250	ACM Hotel	56,864	3.01
4884	Sometimes, a penalty is good!	212	3.43
2997	CETIRI	2,911	1.79
2455	지능형 기차	19,718	1.32

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