Solved by myHan

#	Title	# Solved	Avg. Tries
16975	수열과 쿼리 21	2,820	1.97
17154	Dead-End Detector	60	2.43
26106	Forbidden Turns	132	2.42
26111	Parentheses Tree	286	1.64
26137	Prehistoric Programs	71	4.68

17910111213