57 lines
1.8 KiB
Scala
57 lines
1.8 KiB
Scala
package day07.intcode
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class Solver(software: Array[Int])
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{
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val amps: Array[Amplifier] = Array(new Amplifier(software), new Amplifier(software), new Amplifier(software), new Amplifier(software), new Amplifier(software))
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def reset(): Unit =
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amps.foreach(_.reset())
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def setupPhases(phases: Array[Int]): Unit =
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{
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amps.foreach(_.runUntilIO())
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amps(0).runInput(phases(0))
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amps(1).runInput(phases(1))
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amps(2).runInput(phases(2))
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amps(3).runInput(phases(3))
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amps(4).runInput(phases(4))
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}
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def solveSequence(lastOutput: Int = 0): Int =
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{
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val res0 = amps(0).runUntilIO().runInput(lastOutput).runUntilIO().runOutput()
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val res1 = amps(1).runUntilIO().runInput(res0).runUntilIO().runOutput()
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val res2 = amps(2).runUntilIO().runInput(res1).runUntilIO().runOutput()
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val res3 = amps(3).runUntilIO().runInput(res2).runUntilIO().runOutput()
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val res4 = amps(4).runUntilIO().runInput(res3).runUntilIO().runOutput()
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res4
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}
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def solveSequenceSingleRun(phases: Array[Int]): Int =
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{
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reset()
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setupPhases(phases)
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solveSequence()
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}
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@scala.annotation.tailrec
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final def solveSequenceFeedback(lastOutput: Int = 0): Int =
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{
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val res0 = amps(0).runUntilIO().runInput(lastOutput).runUntilIO().runOutput()
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val res1 = amps(1).runUntilIO().runInput(res0).runUntilIO().runOutput()
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val res2 = amps(2).runUntilIO().runInput(res1).runUntilIO().runOutput()
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val res3 = amps(3).runUntilIO().runInput(res2).runUntilIO().runOutput()
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val res4 = amps(4).runUntilIO().runInput(res3).runUntilIO().runOutput()
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if (amps.foldLeft(false) {(bool, amp) => bool || amp.isHalted}) lastOutput
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else solveSequenceFeedback(res4)
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}
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def solveSequenceMultiRun(phases: Array[Int]): Int =
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{
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reset()
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setupPhases(phases)
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solveSequenceFeedback()
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}
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}
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