Sorting Algorithms

I'm having trouble using these different sort methods after I call the bubble method at the bottom it breaks completely and non of the other functions are working. I'm not sure what I'm what I'm missing


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#include<iostream>
using namespace std;



void bubbleSort(int aarr[1000], int n)
{
	int count;
	int arr[1000];
	for (int i = 0; i < 1000; i++)
	{

		arr[i] = aarr[i];

	}
	bool swapped = true;
	int j = 0;
	int tmp;
	while (swapped)
	{
		swapped = false;
		j++;
		for (int i = 0; i < n - j; i++)
		{
			if (arr[i] > arr[i + 1])
			{
				tmp = arr[i];
				arr[i] = arr[i + 1];
				arr[i + 1] = tmp;
				swapped = true;
				count++;
			}
		}
		return count;
	}
	
}


void selectionSort(int aarr[1000], int n)
{
	
	int arr[1000];
	int tmp;
	for (int i = 0; i < 1000; i++)
	{

		arr[i] = aarr[i];

	}
	for (int i = 0; i<n - 1; i++)
	{
		for (int j = i + 1; j<n; j++)
		{
			if (arr[i]>aarr[j])
			{
				
		}

		tmp = arr[i];
		arr[i] = aarr[tmp];
		aarr[i] = tmp;
	}

	cout << "\nSorted list is as follows\n";
	for (i = 0; i<n; i++)
	{
		cout << aarr[i] << " ";
	}
}

void shortbubbleSort(int aarr[1000], int n)
{
	int arr[1000];
	for (int i = 0; i < 1000; i++)
	{

		arr[i] = aarr[i];

	}
	bool swapped = true;
	int j = 0;
	int tmp;
	while (swapped)
	{
		swapped = false;
		j++;
		for (int i = 0; i < n - j; i++)
		{
			if (arr[i] > arr[i + 1])
			{
				tmp = arr[i];
				arr[i] = arr[i + 1];
				arr[i + 1] = tmp;
				swapped = true;
			}
		}
	}
}

void InsertionSort(int aarr[1000], int n)
{
	int arr[1000];
	for (int i = 0; i < 1000; i++)
	{

		arr[i] = aarr[i];

	}
	for (int i = 0; i < length; i++){
		j = i;

		while (j > 0 && arr[j] < arr[j - 1]){
			temp = arr[j];
			arr[j] = arr[j - 1];
			arr[j - 1] = temp;
			j--;
		}
	}
}

void merge(int arr[], int l, int m, int r)
{
	int i, j, k;
	int n1 = m - l + 1;
	int n2 = r - m;

	/* create temp arrays */
	int L[n1], R[n2];

	/* Copy data to temp arrays L[] and R[] */
	for (i = 0; i < n1; i++)
		L[i] = arr[l + i];
	for (j = 0; j < n2; j++)
		R[j] = arr[m + 1 + j];

	/* Merge the temp arrays back into arr[l..r]*/
	i = 0; // Initial index of first subarray
	j = 0; // Initial index of second subarray
	k = l; // Initial index of merged subarray
	while (i < n1 && j < n2)
	{
		if (L[i] <= R[j])
		{
			arr[k] = L[i];
			i++;
		}
		else
		{
			arr[k] = R[j];
			j++;
		}
		k++;
	}

	/* Copy the remaining elements of L[], if there
	are any */
	while (i < n1)
	{
		arr[k] = L[i];
		i++;
		k++;
	}

	/* Copy the remaining elements of R[], if there
	are any */
	while (j < n2)
	{
		arr[k] = R[j];
		j++;
		k++;
	}
}

/* l is for left index and r is right index of the
sub-array of arr to be sorted */
void mergeSort(int arr[], int l, int r)
{
	if (l < r)
	{
		// Same as (l+r)/2, but avoids overflow for
		// large l and h
		int m = l + (r - l) / 2;

		// Sort first and second halves
		mergeSort(arr, l, m);
		mergeSort(arr, m + 1, r);

		merge(arr, l, m, r);
	}
}


void HeapSort(int aarr[1000], int n)
{
	int arr[1000];
	for (int i = 0; i < 1000; i++)
	{

		arr[i] = aarr[i];

	}
	bool swapped = true;
	int j = 0;
	int tmp;
	while (swapped)
	{
		swapped = false;
		j++;
		for (int i = 0; i < n - j; i++)
		{
			if (arr[i] > arr[i + 1])
			{
				tmp = arr[i];
				arr[i] = arr[i + 1];
				arr[i + 1] = tmp;
				swapped = true;
			}
		}
	}
}


int main()
{
	int A[1000];
	for (int i = 0; i < 1000; i++)
	{

		A[i] = rand();

	}
	int B[1000];
	for (int i = 0; i > 1000; i++)
	{

		B[i] = rand();

	}	
	int C[1000];
	for (int i = 0; i < 1000; i++)
	{

		C[i] = rand();

	}

	bubbleSort(A,1000);
	//bubbleSort(B, 1000);
	//bubbleSort(C, 1000);
	


	system("pause");
	return 0;

}
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