题解 | #明明的随机数#

lists = []

while (line = STDIN.gets)
list ||= []
list << line.to_i
if list.size == list[0]+1
lists << list
list = []
end
end

lists.each{|list|
list.delete_at(0)
list.uniq!
list2 = list.sort
list2.each{|a|
puts a
}
}