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65 lines (57 loc) · 975 Bytes
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Copy pathquick.cpp
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65 lines (57 loc) · 975 Bytes
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#include<bits/stdc++.h>
using namespace std;
void display(int a[],int n)
{
int i;
cout<<"Sorted array : ";
for(i=0;i<n;i++)
{
cout<<a[i]<<" ";
}
}
void swapp(int *a,int *b)
{
int temp=*a;
*a=*b;
*b=temp;
}
int part(int a[],int l,int h)
{
int pivot=a[h];
int i=l-1;
int j=l;
for(j=l;j<=h-1;j++)
{
if(a[j]<pivot)
{
i++;
swapp(&a[i],&a[j]);
}}
swapp(&a[i+1],&a[h]);
return i+1;
}
void quickSort(int a[],int l,int h)
{
if(l<h)
{
int p=part(a,l,h);
quickSort(a,l,p-1);
quickSort(a,p+1,h);
}
}
int main()
{
int i;
int n;
cout<<"Enter size of array : ";
cin>>n;
int a[n];
cout<<"Enter array elements : \n";
for(i=0;i<n;i++)
{
cin>>a[i];
}
quickSort(a,0,n-1);
display(a,n);
return 0;
}