Solved by whtpdbs9944

#	Title	# Solved	Avg. Tries
17478	재귀함수가 뭔가요?	20,270	2.55
18258	큐 2	29,954	3.05
18870	좌표 압축	34,802	2.52
20040	Cycle Game STANDARD	8,099	1.99
21924	도시 건설	1,636	2.37

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