m_array_n_random.rb

class Array
  def randomize
    self.sort {rand(self.length / 2)-1}
  end

  def randomize!
    self.sort! {rand(self.length / 2)-1}
  end
end

n=5
a = (1..95).to_a

puts "Lottery numbers: (^_^)"
p a.randomize[0..(n-1)]
p a.randomize[0..(n-1)]
p a.randomize[0..(n-1)]
p a.randomize[0..(n-1)]
p a.randomize[0..(n-1)]
p a.randomize[0..(n-1)]
p a.randomize[0..(n-1)]


# Output:
#
# Lottery numbers: (^_^)
# [31, 67, 95, 52, 83]
# [21, 44, 95, 41, 12]
# [37, 59, 95, 53, 72]
# [43, 59, 95, 55, 3]
# [34, 18, 94, 2, 95]
# [95, 59, 48, 60, 19]
# [82, 95, 48, 22, 60]