selectionSort.swift

func selectionSort(inout set: [Int]) -> [Int] {
    for i in 0..<set.count - 1 {
        var smallest = set[i]
        var currentSmallestIndex = -1
        for j in (i+1)..<set.count {
            if set[j] < smallest {
                smallest = set[j]
                currentSmallestIndex = j
            }
        }
        
        if currentSmallestIndex != -1 {
            let initial = set[i]
            set[i] = smallest
            set[currentSmallestIndex] = initial
        }
    }
    return set
}