Cod sursa(job #984217)
| Utilizator | Data | 13 august 2013 20:35:36 | |
|---|---|---|---|
| Problema | Sortare prin comparare | Scor | 40 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.63 kb |
#include <fstream>
#define maxn 500001
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
int v[maxn],n;
void quicksort (int p, int q)
{
if (q<=p) return;
int x=v[p],i=p-1,j=q+1;
while (i<j)
{
do i++; while (v[i]<x);
do j--; while (v[j]>x);
if (i<j)
{
v[i]^=v[j];
v[j]^=v[i];
v[i]^=v[j];
}
}
quicksort (p,j);
quicksort (j+1,q);
}
int main()
{
fin>>n;
for (int i=1; i<=n; ++i) fin>>v[i];
quicksort (1,n);
for (int i=1; i<=n; ++i) fout<<v[i]<<" ";
}
