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Cod sursa(job #278856)
#include<fstream>
using namespace std;
unsigned long n,a[500000];
ifstream fin("algsort.in");
ofstream fout("algsort.out");
void sort(int x,int y)
{ unsigned long i,j,p,aux;
if(x<y)
{ i=x-1;
j=y+1;
p=a[(x+y)/2];
while(i<j)
{ do i++; while(a[i]<p);
do j--; while(a[j]>p);
if(i<j) { aux=a[i];
a[i]=a[j];
a[j]=aux;
}
}
sort(x,i-1);
sort(j+1,y);
}
}
int main()
{ fin>>n;
for(long i=1;i<=n;i++)
fin>>a[i];
sort(1,n);
for(long i=1;i<=n;i++)
fout<<a[i]<<" ";
fin.close();
fout.close();
return 0;
}