How to check N is a power of 2 ?
def is_a_power_of_2?(n)
puts "#{n} is a power of 2!" if n.bit_length != (n-1).bit_length
endHow to check N is a power of 2 ?
def is_a_power_of_2?(n)
puts "#{n} is a power of 2!" if n.bit_length != (n-1).bit_length
end