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Cod sursa(job #371884)
using namespace std;
#include<fstream>
int n,x[500005];
void quick(int,int);
int main()
{
int i;
ifstream fin("algsort.in");
fin>>n;
for(i=1;i<=n;i++)
fin>>x[i];
fin.close();
quick(1,n);
ofstream fout("algsort.out");
for(i=1;i<=n;i++)
fout<<x[i]<<' ';
fout.close();
return 0;
}
void quick(int s,int d)
{
if(s<d)
{
int i=s,j=d,dd=0,aux;
while(i<j)
{
if(x[i]>x[j])
{
aux=x[i];
x[i]=x[j];
x[j]=aux;
dd=1-dd;
}
i+=dd;
j-=1-dd;
}
quick(s,i-1);
quick(i+1,d);
}
}