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Saturday, December 29, 2018

PROGRAM FOR SORTING ARRAY USING QUICK SORT.



#include <iostream>
#include <conio.h>

using namespace std;

class Array
{
private:
int *Arr, Size, Right;

public:
Array(int Siz)
{
Arr = new int[Siz];

for (int I = 0; I <Siz; I++)
Arr[I] = 0;

Right = 0;
Size = Siz;
}

void Input()
{
int No;

cout << "Enter Size Of Array: ";
cin >> No;

Right = No;

cout << "\nEnter Elements Of Array: " << endl;

for (int I = 0; I <Right; I++)
cin >> Arr[I];
}

void Quick_Sort()
{
    Sort(Arr, 0, Right -1);
}

    void Sort(int Temp[], int Beg, int End)
    {
        if(Beg >= End)
            return;

        int Mid = Partition(Temp, Beg, End);

        Sort(Temp, Beg, Mid -1);
        Sort(Temp, Mid +1, End);
    }

     int Partition (int Temp[], int Beg, int End)
    {
        int Pivot = Temp[Beg];
        int Index = Beg ;

        for (int J = Beg +1; J <= End; J++)
        {
            if (Temp[J] < Pivot)
            {
                Index++;
                Swap(&Temp[Index], &Temp[J]);
            }
        }

        Swap(&Temp[Index], &Temp[Beg]);
        return Index;
    }

    void Swap(int *Value1, int *Value2)
    {
        int Temp = *Value1;
        *Value1 = *Value2;
        *Value2 = Temp;
    }

void Print()
{
cout << "\nAfter Sorting Elements Of Array is: " << endl;

for (int I = 0; I <Right; I++)
cout << Arr[I] << endl;
}

~Array()
{
cout << "\n\n\n\n************PROGRAM ENDED***************";
}
};

int main()
{
Array Obj(20);

Obj.Input();
Obj.Quick_Sort();
Obj.Print();

getch();
return 0;
}

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