#!/usr/bin/ruby # # See ../README.md # # # Run as: ruby ch-1.rb < input-file # def is_power_of_n (number, n) return number < 1 ? false : number == 1 ? true : number % n > 0 ? false : is_power_of_n(number / n, n) end def is_power_of_2 (number) return is_power_of_n(number, 2) end ARGF . each_line do | line | m, n = line . split . map {|x| x . to_i} if n % 2 == 1 || m % 2 == 1 then puts (0) else r = m . gcd (n) puts (r > 1 && is_power_of_2(r) ? 1 : 0) end end