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quicksort in code
Kostas
on Oct 09, 2020
// A full c++ quicksort algorithm no bs
// quicksort in code
#include <iostream>
using namespace std;
void QuickSort(int arr[], int start, int end);
int Partition(int arr[], int start, int end);
void SwapArrMem(int arr[], int a, int b);
int main()
{
int arr[4]; //change the size of the array to your desired array size
cout << "enter " << sizeof(arr) / sizeof(arr[0]) << " numbers. press enter after input" << endl;
for (int i = 0; i < sizeof(arr) / sizeof(arr[0]); i++)
{
cin >> arr[i];
}
cout << endl << "The sorted numbers are:" << endl << endl;
QuickSort(arr, 0, sizeof(arr) / sizeof(arr[0]) - 1);
for (int i = 0; i < sizeof(arr) / sizeof(arr[0]); i++)
{
cout << arr[i] << endl;
}
}
void QuickSort(int arr[], int start, int end)
{
if (start >= end) return;
int index = Partition(arr, start, end);
QuickSort(arr, start, index - 1);
QuickSort(arr, index + 1, end);
}
int Partition(int arr[], int start, int end)
{
int pivotindex = start;
int pivotvalue = arr[end];
for (int i = start; i < end; i++)
{
if (arr[i] < pivotvalue)
{
SwapArrMem(arr, i, pivotindex);
pivotindex++;
}
}
SwapArrMem(arr, pivotindex, end);
return pivotindex;
}
void SwapArrMem(int arr[], int a, int b)
{
int temp = arr[a];
arr[a] = arr[b];
arr[b] = temp;
} All those coders who are working on the C++ based application and are stuck on quicksort in code can get a collection of related answers to their query. Programmers need to enter their query on quicksort in code related to C++ code and they'll get their ambiguities clear immediately. On our webpage, there are tutorials about quicksort in code for the programmers working on C++ code while coding their module. Coders are also allowed to rectify already present answers of quicksort in code while working on the C++ language code. Developers can add up suggestions if they deem fit any other answer relating to "quicksort in code". Visit this developer's friendly online web community, CodeProZone, and get your queries like quicksort in code resolved professionally and stay updated to the latest C++ updates.
