19/03/09 09:29:27.51 8CAUa/TL.net
>>559 ruby
すこーしすっきり
f = ->a, b {a.zip(b).map {|c| (c.first...c.last).to_a}.inject(:|).size}
↓
f = ->a, b {a.zip(b).map {|c, d| [*c...d]}.inject(:|).size}
19/03/09 09:29:27.51 8CAUa/TL.net
>>559 ruby
すこーしすっきり
f = ->a, b {a.zip(b).map {|c| (c.first...c.last).to_a}.inject(:|).size}
↓
f = ->a, b {a.zip(b).map {|c, d| [*c...d]}.inject(:|).size}