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40 lines (40 loc) · 843 Bytes
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Quick Sort.cpp
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40 lines (40 loc) · 843 Bytes
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#include<iostream>
using namespace std;
int Partition(int *arr,int start,int end){
int pivot=arr[end];
int PartitionIndex=start;
for(int i=start;i<end;i++)
{
if(arr[i]<=pivot)
{
swap(arr[i],arr[PartitionIndex]);
PartitionIndex++;
}
}
swap(arr[PartitionIndex],arr[end]);
return PartitionIndex;
}
void Quicksort(int *arr,int start,int end){
if(start<end)
{
int PartitionIndex=Partition(arr,start,end);
Quicksort(arr,start,PartitionIndex-1);
Quicksort(arr,PartitionIndex+1,end);
}
}
int main()
{
int n,Arr[100];
cout<<"Enter the size of array : \n";
cin>>n;
for(int i=0;i<n;i++)
{
cin>>Arr[i];
}
Quicksort(Arr,0,n-1);
for(int i=0;i<n;i++)
{
cout<<Arr[i]<<" ";
}
return 0;
}