Solved by heywon

#	Title	# Solved	Avg. Tries
10828	스택	73,840	2.64
9012	Parenthesis	76,565	2.16
2164	카드2	54,485	1.97
1966	Printer Queue	38,434	1.70
1935	후위 표기식2	10,884	2.06

1