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racklettenzi

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Jun 8th, 2017
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Racket 0.16 KB | None | 0 0
  1. (define (bitnumber? bin)  (if (= 0 bin) #t      (if (or (= 1 (modulo bin 10)) (= 0 (modulo bin 10)))          (bitnumber? (floor (/ bin 10)))          #f          )))
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