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quick_sort.cpp
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quick_sort.cpp
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#include<bits/stdc++.h>
using namespace std;
int a[10000];
int Partition(int *a, int Start,int End)
{
int pivot=a[End];
int p_index=Start;
for(int i=Start;i<=End-1;i++)
{
if(a[i]<=pivot)
{
swap(a[i],a[p_index]);
p_index=p_index+1;
}
}
swap(a[p_index],a[End]);
return p_index;
}
void quick_sort(int *a,int Start,int End)
{
if(Start>=End)
{
return;
}
else
{
int p_index=Partition(a,Start,End);
quick_sort(a,Start,p_index-1);
quick_sort(a,p_index+1,End);
}
}
int main()
{
int n;
cin>>n;
for(int i=0;i<n;i++)
{
cin>>a[i];
}
quick_sort(a,0,n-1);
for(int i=0;i<n;i++)
{
cout<<a[i]<<" ";
}
cout<<endl;
}