19 lines
516 B
Scala
19 lines
516 B
Scala
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import scala.io.Source
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val lines = Source.fromFile(getClass.getResource("/input1.txt").getFile).getLines().toList
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// 1
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val result1 = lines.foldLeft (0) { (acc, i) => acc + (Integer.parseInt(i)/3-2)}
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println(result1)
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// 2
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@scala.annotation.tailrec
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def findRecursiveFuel(fuel:Int, acc:Int):Int =
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{
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val nextFuel = (fuel/3)-2
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if (nextFuel <= 0) acc
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else findRecursiveFuel(nextFuel, nextFuel+acc)
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}
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val result2 = lines.foldLeft (0) { (acc, i) => acc + findRecursiveFuel(Integer.parseInt(i), 0)}
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println(result2)
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