12 lines
305 B
Julia
12 lines
305 B
Julia
function missingperm1(arr::Vector{<:AbstractString})
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missperm = string()
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for pos in 1:length(arr[1])
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s = Set()
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for perm in arr
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c = perm[pos]
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if c ∈ s pop!(s, c) else push!(s, c) end
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end
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missperm *= first(s)
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end
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return missperm
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end
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