7 lines
195 B
Julia
7 lines
195 B
Julia
function trinary_to_decimal(str)
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all(x -> x ∈ ('0', '1', '2'), str) || return 0
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number = parse(Int, str)
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digs = digits(number)
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sum([k*3^(i-1) for (i,k) in enumerate(digs)])
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end
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