Pagini recente » Cod sursa (job #1084701) | Cod sursa (job #2375316) | Cod sursa (job #3253288) | Cod sursa (job #1116649) | Cod sursa (job #2194404)
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
int n, a[500001];
int part(int st, int dr)
{
int j,piv;
j=st-1;
piv=a[dr];
for(int i=st;i<=dr;i++)
if(a[i]<=piv)
swap(a[++j], a[i]);
return j;
}
void quick(int st, int dr)
{
int poz;
poz=part(st, dr);
if(poz-st>1)
quick(st, poz-1);
if(dr-poz>1)
quick(poz+1, dr);
}
int main()
{
f>>n;
for(int i =1;i<=n;i++)
f>>a[i];
quick(1, n);
for(int i =1;i<=n;i++)
g<<a[i]<<" ";
return 0;
}