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Cod sursa(job #855801)
#include<cstdio>
#include<cstdlib>
#define MAXN 500001
void QuickSort(int v[MAXN],int st,int dr){
int i=st,j=dr,aux,pivot=v[(st+dr)/2];
while(i<=j)
{
while(v[i]<pivot)
i++;
while(v[j]>pivot)
j--;
if(i<=j)
{
aux=v[i];
v[i]=v[j];
v[j]=aux;
i++;
j--;
}
}
if(st<j) QuickSort(v,st,j);
if(i<dr) QuickSort(v,i,dr);
}
int main()
{
freopen("algsort.in","r",stdin);
freopen("algsort.out","w",stdout);
int i,n,v[MAXN];
scanf("%d",&n);
for(i=1;i<=n;i++)
scanf("%d",&v[i]);
QuickSort(v,1,n);
for(i=1;i<=n;i++)
printf("%d ",v[i]);
return 0;
}