Solved by kimyuri

#	Title	# Solved	Avg. Tries
17478	재귀함수가 뭔가요?	21,353	2.55
10250	ACM Hotel	62,270	3.00
4884	Sometimes, a penalty is good!	261	3.45
2997	CETIRI	3,239	1.77
2455	지능형 기차	21,112	1.32

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