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Dec 18th, 2016
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Scala 0.32 KB | None | 0 0
  1. object DayEighteen extends App { println(List.iterate(".^^^.^.^^^^^..^^^..^..^..^^..^.^.^.^^.^^....^.^...^.^^.^^.^^..^^..^.^..^^^.^^...^...^^....^^.^^^^^^^", 40)(r => ('.' + r + '.').sliding(3).map(s => if ((s(0) == s(1) && s(0) != s(2)) || (s(1) == s(2) && s(0) != s(1))) '^' else '.').mkString).map(_.count(_ == '.')).sum) }
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