Cod sursa(job #1240895)

Utilizator dragangabrielDragan Andrei Gabriel dragangabriel Data 12 octombrie 2014 11:54:14
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.68 kb
#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
int n,i,j,k,v[500005];


void quick(int a[],int st,int dr)
{
    int i=st,j=dr;
    int pivot=a[(st+dr)/2];
    while (i<=j)
        {
            while (a[i]<pivot) i++;
            while (a[j]>pivot) j--;
            if (i<=j) { int aux=a[i];a[i]=a[j];a[j]=aux;i++;j--;}
        }
    if (i<dr) quick(a,i,dr);
    if (st<j) quick(a,st,j);
}

int main()
{
    freopen("algsort.in","r",stdin);
    freopen("algsort.out","w",stdout);
    scanf("%d",&n);
    for (i=1;i<=n;i++)
        scanf("%d",&v[i]);
    quick(v,1,n);
    for (i=1;i<=n;i++)
        printf("%d ",v[i]);
    return 0;
}