Mai intai trebuie sa te autentifici.
Cod sursa(job #2194458)
| Utilizator | Data | 13 aprilie 2018 14:04:24 | |
|---|---|---|---|
| Problema | Sortare prin comparare | Scor | 40 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.55 kb |
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
int a[500001],n;
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;
}
