버블 정렬

fun main() {
    val arr = intArrayOf(2,5,3,1,6,7,0,4,8,9)

    for(i in 0 until arr.size - 1){
        for(j in 1 until arr.size -i) {
            if(arr[j-1] > arr[j]) {
                val temp = arr[j-1]
                arr[j-1] = arr[j]
                arr[j] = temp
            }
        }
    }

    println(arr.contentToString())
}