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f = ->a, b {a.zip(b).map {|c| (c.first...c.last).to_a}.inject(:|).size}
p f.([1,3,5], [2,4,6])
p f.([1,2], [5,6])
p f.([100,1,2], [105,3,4])

Success #stdin #stdout 0s 28216KB

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Standard input is empty

stdout

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3
5
8

https://ideone.com/yo3mvc

language:

Ruby (ruby 2.5.5)

created:

visibility:

secret

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