Solved by kimyuri

#	Title	# Solved	Avg. Tries
2455	지능형 기차	20,246	1.32
2997	CETIRI	3,034	1.77
4884	Sometimes, a penalty is good!	219	3.43
10250	ACM Hotel	58,852	3.00
17478	재귀함수가 뭔가요?	19,852	2.55

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