10 lines
216 B
Ruby
10 lines
216 B
Ruby
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def encode(string)
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string.scan(/(.)(\1*)/).collect do |char, repeat|
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[1 + repeat.length, char]
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end.join
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end
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def decode(string)
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string.scan(/(\d+)(\D)/).collect {|length, char| char * length.to_i}.join
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end
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