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Fibonacci swift version #4

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Fibonacci swift version #4

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b3164ad
add Fibonacci swift version
0xIce Nov 19, 2018
3708eef
Merge pull request #1 from hotchner/swiftFibonacci
0xIce Nov 19, 2018
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26 changes: 26 additions & 0 deletions [1]. Math Implementation/1.1 Fibonacci Implementation/README.md
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Expand Up @@ -46,3 +46,29 @@ long long Fibonacci(unsigned n)
}
```



### Swift
```swift
func fibonacci(n: Int) -> Int {
var result = [0, 1]

if n < 2 {
return result[n]
}

var fibNMinusOne = 1
var fibNMinusTwo = 0

var fibN = 0

for i in 2...n {
fibN = fibNMinusOne + fibNMinusTwo

(fibNMinusTwo, fibNMinusOne) = (fibNMinusOne, fibN)
}

return fibN
}
```