Solved by kimyuri

#	Title	# Solved	Avg. Tries
2455	지능형 기차	20,705	1.32
2997	CETIRI	3,142	1.76
4884	Sometimes, a penalty is good!	248	3.50
10250	ACM Hotel	60,574	3.00
17478	재귀함수가 뭔가요?	20,542	2.55

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