冒泡排序

public static int[] BubbleSort(int[] array)
{
    int length = array.Length;
    for (int i = 0; i <= length - 1; i++)
    {
        for (int j = length - 1; j > i; j--)
        {
            if (array[j] < array[j - 1])
            {
                int temp = array[j];
                array[j] = array[j - 1];
                array[j - 1] = temp;
            }
        }
    }
    return array;
}