Unique characters: Difference between revisions
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function is_once_per_all_strings_in(a::Vector{String}) |
function is_once_per_all_strings_in(a::Vector{String}) |
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charlist = collect(prod(a)) |
charlist = collect(prod(a)) |
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counts = Dict(c => count(x -> c == x, charlist) for c in unique(charlist)) |
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return sort([p[1] for p in counts if p[2] == 1]) |
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end |
end |
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