#include <iostream>
using namespace std;
#define siz 1000000
int a[siz];
void swap(int i, int j)
{
int temp=a[i];
a[i]=a[j];
a[j]=temp;
}
int partion(int a[], int p, int r)
{
int i=p-1;
int x=a[r];
for(int j=p;j<=r-1;j++)
{
if(a[j]<=x)
{
i++;
swap(i,j);
}
}
swap(i+1,r);
return i+1;
}
void quick_sort(int a[], int p, int r)
{
if(p<r)
{
int q=partion(a,p,r);
quick_sort(a,p,q-1);
quick_sort(a,q+1,r);
}
}
int main()
{
int n;
while(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]<<endl;
}
return 0;
}
Quick Sort
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