Question
C++ 1. Given quicksort as follows, complete partition(int arr[], int low, int high){}. [10 points] void quickSort(int arr[], int low, int high) { if (low
C++
1. Given quicksort as follows, complete partition(int arr[], int low, int high){}. [10 points] void quickSort(int arr[], int low, int high)
{
if (low < high)
{
int pi = partition(arr, low, high);
quickSort(arr, low, pi - 1);
quickSort(arr, pi + 1, high);
}
}
----------------------------------------------------------------------------------------------------------------------------------------------------------------------
#include
using namespace std;
void swap(int* a, int* b)
{
int t = *a;
*a = *b;
*b = t;
}
int partition (int arr[], int low, int high)
{
//////////////////////////////////////
}
void quickSort(int arr[], int low, int high)
{
if (low < high)
{
int pi = partition(arr, low, high);
quickSort(arr, low, pi - 1);
quickSort(arr, pi + 1, high);
}
}
void printArray(int arr[], int size)
{
int i;
for (i=0; i < size; i++)
cout << arr[i] << " ";
cout << endl;
}
int main()
{
int arr[] = {10, 7, 8, 9, 1, 5};
int n = sizeof(arr)/sizeof(arr[0]);
quickSort(arr, 0, n-1);
cout << "Sorted array: " << endl;
printArray(arr, n);
return 0;
}
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