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Posted by free-zombie on Wed 22 Oct 23:01
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  1. def digits_unique(n):
  2.     ns = str(n)
  3.     for c in ns:
  4.         if ns.count(c) > 1:
  5.             return False
  6.     return True
  7.  
  8. class UniqDigitsFinder:
  9.     def __init__(self):
  10.         self.maxjump = 0
  11.         self.count = 0
  12.  
  13.     def with_uniq_digits(self, start, end):
  14.         jump = 0
  15.         for i in xrange(start, end+1):
  16.             if digits_unique(i):
  17.                 self.count += 1
  18.                 jump = 1
  19.                 yield i
  20.             else:
  21.                 jump += 1
  22.  
  23.             if jump > self.maxjump:
  24.                 self.maxjump = jump
  25.  
  26.  
  27.  
  28. def uniqdigitstats(start, end):
  29.     uc = UniqDigitsFinder()
  30.     for x in uc.with_uniq_digits(start, end):
  31.         pass
  32.     print "Number of values: %d" % uc.count
  33.     print "Longest jump: %d" % uc.maxjump
  34.    
  35.  
  36. if __name__ == '__main__':
  37.     import sys
  38.     uniqdigitstats(1, int(sys.argv[1]))

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