Pagini recente » Cod sursa (job #3039702) | Cod sursa (job #940024) | Cod sursa (job #2743608) | Cod sursa (job #2426698) | Cod sursa (job #1224154)
#include<fstream>
#include<cstdlib>
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
const int NMAX=500005;
int n,a[NMAX];
inline void Qsort(const int st,const int dr)
{
if (st<dr)
{
int c,i=st,x,aim=st;
c=rand()%(dr-st+1)+st;
x=a[c];
swap(a[c],a[dr]);
for (;i<dr;i++)
if (a[i]<=x)
{
swap(a[i],a[aim]);
aim++;
}
swap(a[aim],a[dr]);
Qsort(st,aim-1);
Qsort(aim+1,dr);
}
}
int main()
{
int i;
fin>>n;
for (i=1;i<=n;i++) fin>>a[i];
Qsort(1,n);
for (i=1;i<=n;i++) fout<<a[i]<<" ";
return 0;
}