tatsuosakurai · October 7, 2011 09:42
diff --git a/gistfile1.rb b/gistfile1.rb
 # 1
 (rand(900000000)+10 ** 9).to_s
 # 2
 ([(0..9).to_a]*9).map{|i|i.sample}.join
 # 3
 sprintf("%09d", rand(10 ** 9))
 # 4
 Array.new(9){ Array(0..9).sample }.join
 # 5
 9.times.map{rand 10}.join
 # 6
 "#{rand(10 ** 9)}".rjust(9, '0')
	# 1
	(rand(900000000)+10 ** 9).to_s
	# 2
	([(0..9).to_a]*9).map{\|i\|i.sample}.join
	# 3
	sprintf("%09d", rand(10 ** 9))
	# 4
	Array.new(9){ Array(0..9).sample }.join
	# 5
	9.times.map{rand 10}.join
	# 6
	"#{rand(10 ** 9)}".rjust(9, '0')