6 lines
200 B
Scala
6 lines
200 B
Scala
def lessThan2(a: List[Int], b: List[Int]): Boolean = (a, b) match {
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case (_, Nil) => false
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case (Nil, _) => true
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case (a :: _, b :: _) if a != b => a < b
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case _ => lessThan2(a.tail, b.tail)
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}
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