Using c language bubble sort selection sort quick sort

/*
 *  Bubble sort 
 */
void BubbleSort(int arr[], int n)
{
 int temp;
 for (int i = 0; i < n - 1; i++)
 {
  for (int j = i + 1; j < n; j++)
  {
   if (arr[i] > arr[j])
   {
    temp = arr[i];
    arr[i] = arr[j];
    arr[j] = temp;
   }
  }
 }
}
/*
 *  Selection sort 
 */
void ChooseSort(int arr[], int n)
{
 int temp, k;
 for (int i = 0; i < n - 1; i++)
 {
  k = i;
  for (int j = i + 1; j < n; j++)
  {
   if (arr[k] > arr[j])
   {
    k = j;
   }
  }
  if (k != i)
  {
   temp = arr[i];
   arr[i] = arr[k];
   arr[k] = temp;
  }
 }
}
/*
 *  Quicksort, the official original 
 */
void q_sort(int numbers[], int left, int right)
{
 int pivot, l_hold, r_hold;
 l_hold = left;
 r_hold = right;
 pivot = numbers[left];
 while (left < right)
 {
  while ((numbers[right] >= pivot) && (left < right))
  {
   right--;
  }
  if (left != right)
  {
   numbers[left] = numbers[right];
   left++;
  }
  while ((numbers[left] <= pivot) && (left < right))
  {
   left++;
  }
  if (left != right)
  {
   numbers[right] = numbers[left];
   right--;
  }
 }
 numbers[left] = pivot;
 pivot = left;
 left = l_hold;
 right = r_hold;
 if (left < pivot)
 {
  q_sort(numbers, left, pivot-1);
 }
 if (right > pivot)
 {
  q_sort(numbers, pivot+1, right);
 }
}
/*
 *  Quick sort 
 */
void quick_sort(int *x, int low, int high)
{
 int i, j, t;
 if (low < high) 
 {
  i = low;
  j = high;
  t = *(x+low); 
  while (i<j) 
  {
   while (i<j && *(x+j)>t) 
   {
    j--; 
   }
   if (i<j) 
   {
    *(x+i) = *(x+j); 
    i++; 
   }
   while (i<j && *(x+i)<=t) 
   {
    i++; 
   }
   if (i<j)
   {
    *(x+j) = *(x+i); 
    j--; 
   }
  }
  *(x+i) = t; 
  quick_sort(x,low,i-1);  
  quick_sort(x,i+1,high);  
 }
}
//Output array element
void outArray(int arr[], int n)
{
 for(int i = 0; i < n; i++)
 {
  cout<<arr[i]<<" ";
 }
 cout<<endl;
}
void main()
{
 const int N = 5;
 int arr1[N] = {4, 3, 5, 2, 1};
 int arr2[N] = {4, 3, 5, 2, 1};
 int arr3[N] = {4, 3, 5, 2, 1};
 cout<<"Before bubble sort"<<endl;
 outArray(arr1, N);
 BubbleSort(arr1, N);
 cout<<"After bubble sort"<<endl;
 outArray(arr1, N);
 cout<<"/nBefore chooose sort"<<endl;
 outArray(arr2, N);
 ChooseSort(arr2, N);
 cout<<"After chooose sort"<<endl;
 outArray(arr2, N);
 cout<<"/nBefore quick sort"<<endl;
 outArray(arr3, N);
 //q_sort(arr3,0, N - 1);
 quick_sort(arr3,0, N - 1);
 cout<<"After quick sort"<<endl;
 outArray(arr3, N);
 system("pause");
}