bubbleSort.swift

func bubbleSort(array: [Int]) -> [Int] {
    var array = array
    
    for i in 0..<array.count {
        for j in 1..<array.count - i {
            if array[j] < array[j - 1] {
                array.swapAt(j, j - 1)
            }
        }
    }

    return array
}

var numbers = [Int]()
for _ in 0..<15 {
    numbers.append(Int(arc4random_uniform(UInt32(1000))))
}
print(numbers)
print()
print(bubbleSort(array: numbers))