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Cleanup

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kamoshi 2019-12-07 19:11:36 +01:00 committed by GitHub
parent 0fdd2a7faa
commit 3049cfe9a2
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1 changed files with 14 additions and 24 deletions
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34
2019/Scala/day07/intcode/Solver.scala
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@ -2,50 +2,40 @@ package day07.intcode
class Solver(software: Array[Int]) class Solver(software: Array[Int])
{ {
/** Array containing the amplifiers */
val amps: Array[Amplifier] = Array(new Amplifier(software), new Amplifier(software), new Amplifier(software), new Amplifier(software), new Amplifier(software)) val amps: Array[Amplifier] = Array(new Amplifier(software), new Amplifier(software), new Amplifier(software), new Amplifier(software), new Amplifier(software))
/** Reset the amplifiers to the original state */
def reset(): Unit = def reset(): Unit =
amps.foreach(_.reset()) amps.foreach(_.reset())
/** Inserts phases AKA the first inputs into amplifiers */
def setupPhases(phases: Array[Int]): Unit = def setupPhases(phases: Array[Int]): Unit =
{ {
amps.foreach(_.runUntilIO()) amps.foreach(_.runUntilIO())
amps(0).runInput(phases(0)) for (i <- amps.indices)
amps(1).runInput(phases(1))
amps(2).runInput(phases(2))
amps(3).runInput(phases(3))
amps(4).runInput(phases(4))
}
def solveSequence(lastOutput: Int = 0): Int =
{ {
val res0 = amps(0).runUntilIO().runInput(lastOutput).runUntilIO().runOutput() amps(i).runInput(phases(i))
val res1 = amps(1).runUntilIO().runInput(res0).runUntilIO().runOutput() }
val res2 = amps(2).runUntilIO().runInput(res1).runUntilIO().runOutput()
val res3 = amps(3).runUntilIO().runInput(res2).runUntilIO().runOutput()
val res4 = amps(4).runUntilIO().runInput(res3).runUntilIO().runOutput()
res4
} }
/** Solves the single run */
def solveSequenceSingleRun(phases: Array[Int]): Int = def solveSequenceSingleRun(phases: Array[Int]): Int =
{ {
reset() reset()
setupPhases(phases) setupPhases(phases)
solveSequence() amps.foldLeft(0){ (input, amp) => amp.runUntilIO().runInput(input).runUntilIO().runOutput() }
} }
@scala.annotation.tailrec @scala.annotation.tailrec
final def solveSequenceFeedback(lastOutput: Int = 0): Int = private[this] final def solveSequenceFeedback(lastOutput: Int = 0): Int =
{ {
val res0 = amps(0).runUntilIO().runInput(lastOutput).runUntilIO().runOutput() val result = amps.foldLeft(lastOutput){ (input, amp) => amp.runUntilIO().runInput(input).runUntilIO().runOutput() }
val res1 = amps(1).runUntilIO().runInput(res0).runUntilIO().runOutput()
val res2 = amps(2).runUntilIO().runInput(res1).runUntilIO().runOutput()
val res3 = amps(3).runUntilIO().runInput(res2).runUntilIO().runOutput()
val res4 = amps(4).runUntilIO().runInput(res3).runUntilIO().runOutput()
if (amps.foldLeft(false) {(bool, amp) => bool || amp.isHalted}) lastOutput if (amps.foldLeft(false) {(bool, amp) => bool || amp.isHalted}) lastOutput
else solveSequenceFeedback(res4) else solveSequenceFeedback(result)
} }
/** Solves the sequence featuring a feedback loop */
def solveSequenceMultiRun(phases: Array[Int]): Int = def solveSequenceMultiRun(phases: Array[Int]): Int =
{ {
reset() reset()