Solved by heywon

#	Title	# Solved	Avg. Tries
10828	스택	77,210	2.62
9012	Parenthesis	80,332	2.15
2164	카드2	58,014	1.96
1966	Printer Queue	40,084	1.70
1935	후위 표기식2	11,375	2.05

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