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#include <iostream>//3 pivoti random din care aleg mediana
#include <ctime>
#include <cstdlib>
#include <fstream>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
int n,a[500001];
int partitionare(int st,int dr)
{
int i,j,pivot,r1,r2,r3,minim,maxim;
//swap(a[st+rand()%(dr-st+1)],a[dr]);
r1=st+rand()%(dr-st+1);
r2=st+rand()%(dr-st+1);
r3=st+rand()%(dr-st+1);
minim=r1;
if(a[minim]>a[r2])
{
minim=r2;
}
if(a[minim]>a[r3])
{
minim=r3;
}
maxim=r1;
if(a[maxim]<a[r2])
{
maxim=r2;
}
if(a[maxim]<a[r3])
{
maxim=r3;
}
if(r1!=minim && r1!=maxim)
{
swap(a[r1],a[dr]);
}
if(r2!=minim && r2!=maxim)
{
swap(a[r2],a[dr]);
}
if(r3!=minim && r3!=maxim)
{
swap(a[r3],a[dr]);
}
pivot=a[dr];
j=st-1;
for(i=st;i<=dr;i++)
{
if(a[i]<=pivot)
{
j++;
swap(a[i],a[j]);
}
}
return j;
}
void QuickSort(int st,int dr)
{
int poz;
poz=partitionare(st,dr);
if(st<poz-1)
{
QuickSort(st,poz-1);
}
if(dr>poz+1)
{
QuickSort(poz+1,dr);
}
}
int main()
{
int i;
srand(time(NULL));
f>>n;
for(i=1;i<=n;i++)
{
f>>a[i];
}
QuickSort(1,n);
for(i=1;i<=n;i++)
cout<<a[i]<<" ";
return 0;
}