public static void OddEvenSort(SortingArray array)
{
var sorted = false;
while (!sorted)
{
sorted = true;
for (var i = 1; i < array.Length - 1; i += 2)
{
if (array.IsBigger(i, i + 1))
{
array.Swap(i, i + 1);
sorted = false;
}
Updated(array);
}
for (var i = 0; i < array.Length - 1; i += 2)
{
if (array.IsBigger(i, i + 1))
{
array.Swap(i, i + 1);
sorted = false;
}
Updated(array);
}
}
}
static void MaxHeapify(SortingArray array, int n, int i)
{
int largest = i;
int l = 2 * i + 1;
int r = 2 * i + 2;
if (l < n)
{
if (array.IsBigger(l, largest))
{
largest = l;
}
Updated(array);
}
if (r < n)
{
if (array.IsBigger(r, largest))
{
largest = r;
}
Updated(array);
}
if (largest != i)
{
array.Swap(i, largest);
Updated(array);
MaxHeapify(array, n, largest);
}
}
public static void CocktailSort(SortingArray array)
{
int left = 0;
int right = array.Length - 1;
while (left < right)
{
for (int i = left; i < right; i++)
{
if (array.IsBigger(i, i + 1))
{
array.Swap(i, i + 1);
}
Updated(array);
}
for (int i = right; i > left; i--)
{
if (array.IsSmaller(i, i - 1))
{
array.Swap(i, i - 1);
}
Updated(array);
}
left++;
right--;
}
}
static void QuickSortRecursion(SortingArray array, int left, int right)
{
if (left < right)
{
int pivot = right;
int l = left;
int r = right;
while (l < r)
{
if (array.IsBigger(l, pivot))
{
while (l < r && array.IsBiggerOrEqual(r, pivot))
{
r--;
Updated(array);
}
array.Swap(l, r);
}
l++;
Updated(array);
}
if (l > left)
{
QuickSortRecursion(array, left, l - 1);
}
if (r < right)
{
array.Swap(r, pivot);
QuickSortRecursion(array, r, right);
}
}
}
public static void ShellSort(SortingArray array)
{
int distance = array.Length / 2;
while (distance > 1)
{
for (int i = distance; i < array.Length; i++)
{
int j = i;
while (j >= 0)
{
Updated(array);
j -= distance;
if (array.IsBigger(j, j + distance))
{
array.Swap(j, j + distance);
}
else
{
break;
}
}
}
distance = (distance + 1) / 2;
}
InsertionSort(array);
}
static void BitonicCompare(SortingArray array, int source, int destination, bool direction)
{
if (direction == array.IsBigger(source, destination))
{
array.Swap(source, destination);
}
Updated(array);
}
public static void BubbleSort(SortingArray array)
{
for (int i = array.Length - 1; i >= 0; i--)
{
for (int j = 0; j < i; j++)
{
if (array.IsBigger(j, j + 1))
{
array.Swap(j, j + 1);
}
Updated(array);
}
}
}
public static void OptimizedCocktailSort(SortingArray array)
{
int left = 0;
int right = array.Length - 1;
while (left < right)
{
int nextLeft = right;
int nextRight = left;
bool sorted = true;
for (int i = left; i < right; i++)
{
if (array.IsBigger(i, i + 1))
{
array.Swap(i, i + 1);
sorted = false;
nextRight = i;
}
Updated(array);
}
if (sorted)
{
break;
}
right = nextRight;
for (int i = right; i > left; i--)
{
if (array.IsSmaller(i, i - 1))
{
array.Swap(i, i - 1);
sorted = false;
nextLeft = i;
}
Updated(array);
}
if (sorted)
{
break;
}
left = nextLeft;
}
}
public static void InsertionSort(SortingArray array)
{
for (int i = 1; i < array.Length; i++)
{
for (int j = i; j > 0; j--)
{
if (array.IsBigger(j - 1, j))
{
array.Swap(j - 1, j);
}
else
{
Updated(array);
break;
}
Updated(array);
}
}
}
public static void CombSort(SortingArray array)
{
int distance = (int)(array.Length / 1.3);
while (distance > 1)
{
for (int i = 0; i < array.Length - distance; i++)
{
if (array.IsBigger(i, i + distance))
{
array.Swap(i, i + distance);
}
Updated(array);
}
distance = (int)(distance / 1.3);
}
OptimizedBubbleSort(array);
}
public static void OptimizedBubbleSort(SortingArray array)
{
for (int i = array.Length - 1; i >= 0; i--)
{
bool sorted = true;
for (int j = 0; j < i; j++)
{
if (array.IsBigger(j, j + 1))
{
array.Swap(j, j + 1);
sorted = false;
}
Updated(array);
}
if (sorted)
{
break;
}
}
}
static void MergeSortRecursion(SortingArray array, int[] temp, int left, int right)
{
if (left < right)
{
int len = right - left + 1;
int mid = left + len / 2;
MergeSortRecursion(array, temp, left, mid - 1);
MergeSortRecursion(array, temp, mid, right);
int p1 = left;
int p2 = mid;
for (int i = 0; i < len; i++)
{
bool first = true;
if ((p1 >= mid) | (p2 <= right && array.IsBigger(p1, p2)))
{
first = false;
}
if (first)
{
temp[i] = array.Get(p1);
p1++;
}
else
{
temp[i] = array.Get(p2);
p2++;
}
Updated(array);
}
for (int i = 0; i < len; i++)
{
array.Modify(left + i, temp[i]);
Updated(array);
}
}
}
