Solved by 20203185

#	Title	# Solved	Avg. Tries
13235	Palindromes	2,250	1.40
13565	Percolation	3,652	2.24
14681	Quadrant Selection STANDARD	159,404	1.64
15552	빠른 A+B STANDARD	131,382	2.20
17413	단어 뒤집기 2	16,162	1.76
17478	재귀함수가 뭔가요?	20,653	2.55
17609	회문	6,733	3.44
19947	투자의 귀재 배주형	1,578	2.69

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