50 lines
1012 B
Swift
50 lines
1012 B
Swift
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//
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// File.swift
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//
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//
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// Created by Max Nuding on 05.12.21.
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//
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import Foundation
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import Runner
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class Fish: CustomStringConvertible {
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var timer: Int
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var description: String { "\(timer)"}
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init(timer: Int = 8) {
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self.timer = timer
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}
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func tick() -> Fish? {
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timer -= 1
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if timer < 0 {
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timer = 6
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return Fish()
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}
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return nil
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}
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}
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struct Day06: Runnable {
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let inputPath: String
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func run() {
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let input = try! String(contentsOfFile: inputPath)
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let internalCounters = input
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.trimmingCharacters(in: .newlines)
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.components(separatedBy: ",")
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.map { Fish(timer: Int($0)!) }
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run(fish: internalCounters, numDays: 80)
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}
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func run(fish: [Fish], numDays: Int) {
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var tmpFish = fish
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for _ in 1...numDays {
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tmpFish.append(contentsOf: tmpFish.compactMap { $0.tick() })
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}
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print(tmpFish.count)
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}
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}
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