leekiernan · October 21, 2013 23:54
diff --git a/3 digit palindromes b/3 digit palindromes
 def is_palindrome(int)
  int.to_s == int.to_s.reverse
 end

 palindromes = []
 # start high
 [*100...1000].reverse.each do |x|
  [*100...1000].reverse.each do |y|
    z = x*y

    if is_palindrome(z)
      palindromes << z
    end
  end
 end

 p palindromes.sort.last
	def is_palindrome(int)
	int.to_s == int.to_s.reverse
	end

	palindromes = []
	# start high
	[*100...1000].reverse.each do \|x\|
	[*100...1000].reverse.each do \|y\|
	z = x*y

	if is_palindrome(z)
	palindromes << z
	end
	end
	end

	p palindromes.sort.last