24 lines
398 B
Swift
24 lines
398 B
Swift
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//: [Previous](@previous)
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import Foundation
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func shell(_ value: Int) -> Int {
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return Int(ceil((sqrt(Double(value)) - 1) / 2))
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}
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func biggestValue(_ shell: Int) -> Int {
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return (2 * shell + 1) * (2 * shell + 1)
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}
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let value = 16
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let s = shell(value)
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let shellStart = biggestValue(s - 1) + 1
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let shellPosition = value - shellStart
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(Float(shellPosition) / 2 + 1) / 2
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//: [Next](@next)
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