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Cod sursa(job #905448)
#include<stdio.h>
#include<algorithm>
using namespace std;
int a[500005];
void quick(int st,int dr)
{
if(st>=dr) return;
int med=(st+dr)/2;
nth_element(a+st,a+med,a+dr+1);
quick(st,med-1);
quick(med+1,dr);
}
int main()
{
freopen("algsort.in","r",stdin);
freopen("algsort.out","w",stdout);
int n,i;
scanf("%d",&n);
for(i=1;i<=n;i++)
scanf("%d",&a[i]);
quick(1,n);
for(i=1;i<=n;i++)
printf("%d ",a[i]);
return 0;
}