Solved by tlvus1801

#	Title	# Solved	Avg. Tries
1966	Printer Queue	40,060	1.70
1991	트리 순회	33,354	1.49
2164	카드2	57,961	1.96
9012	Parenthesis	80,235	2.15
10773	Zero That Out	60,878	1.46
10828	스택	77,102	2.62

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