public CH0503()
{
int[] arrs = new int[] { 1, 4, 5, 21, 9, 3, 2 };
SortThan sortThan = new SortThan(Compare2);
DelegateSort.BubbleSort(arrs, sortThan);
foreach (var item in arrs)
{
Console.WriteLine($"{item}");
}
}
public static void BubbleSort(int[] arr, SortThan sortThan)
{
int i, j, t;
if (arr == null)
{
return;
}
for (i = arr.Length - 1; i > 0; i--)
{
for (j = 1; j <= i; j++)
{
if (sortThan(arr[j - 1], arr[j]))
{
t = arr[j - 1];
arr[j - 1] = arr[j];
arr[j] = t;
}
}
}
}
public static void BubbleSort(int[] items, SortThan sortThan)
{
int i, j, temp;
if (items == null)
{
return;
}
for (i = items.Length - 1; i >= 0; i--)
{
for (j = 1; j <= i; j++)
{
//if (items[j - 1] > items[j])
if (sortThan(items[j - 1], items[j]))
{
temp = items[j - 1];
items[j - 1] = items[j];
items[j] = temp;
}
}
}
}
