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added 87 characters in body

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edited Jul 25, 2018 at 12:20

Elixir, 81 bytes

fn b->[n,d]=String.split b,"/";String.to_integer(d)==:math.pow 10,byte_size n end

Might be able to get somewhere with {n,"/"<>d}=Integer.parse b, but not sure how.

fn b->[n,d]=String.split b,"/";String.to_integer(d)==:math.pow 10,byte_size n end

fn b->[n,d]=String.split b,"/";String.to_integer(d)==:math.pow 10,byte_size n end

Might be able to get somewhere with {n,"/"<>d}=Integer.parse b, but not sure how.

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created Jul 25, 2018 at 12:15

fn b->[n,d]=String.split b,"/";String.to_integer(d)==:math.pow 10,byte_size n end