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By: a guest on Sep 7th, 2012  |  syntax: None  |  size: 0.32 KB  |  hits: 6  |  expires: Never
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  1. class Integer
  2.   def reverse_and_add
  3.     self + self.reverse
  4.   end
  5.  
  6.   def reverse
  7.     self.to_s.reverse.to_i
  8.   end
  9.  
  10.   def palindrome?
  11.     self == self.reverse
  12.   end
  13.  
  14.   def add_till_palindrome
  15.     v = self.reverse_and_add
  16.     v.palindrome? ? v : v.add_till_palindrome
  17.   end
  18. end
  19.  
  20. p 195.add_till_palindrome
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