Sha256: 7741ad00d9031080bdff8f506f8c761f4f635642a7d3b92c8e76adf48736049f
Contents?: true
Size: 259 Bytes
Versions: 8
Compression:
Stored size: 259 Bytes
Contents
class Integer
def cyclic?
return true if zero?
return false unless digits.size >= 6
nzd = nonzero_digits.sort
(1...digits.size).all?{|n| (self * n).nonzero_digits.sort == nzd}
end
def nonzero_digits
digits.reject(&:zero?)
end
end
Version data entries
8 entries across 8 versions & 1 rubygems