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Cod sursa(job #744688)
#include <cstdio>
#include <algorithm>
#include <cstdlib>
#include <ctime>
using namespace std;
int V[500005];
void sort(int l,int r){
int i=l,j=r,piv=V[l+rand()%(r-l)+1];
while(i<j){
while(V[i]<piv)i++;
while(V[j]>piv)j--;
if(i<=j){
swap(V[i],V[j]);
i++;
j--;
}
}
if(j>l)sort(l,j);
if(i<r)sort(i,r);
}
int main(){
int n;
freopen("algsort.in","r",stdin);
freopen("algsort.out","w",stdout);
scanf("%d",&n);
for(int i=1;i<=n;i++)scanf("%d",&V[i]);
srand(time(0));
sort(1,n);
for(int i=1;i<=n;i++)printf("%d ",V[i]);
}