Cod sursa(job #1244666)

Utilizator dorumusuroiFMI - Doru Musuroi dorumusuroi Data 17 octombrie 2014 22:57:49
Problema Sortare prin comparare Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.94 kb
#include <fstream>

using namespace std;

void quicksort(int a[], int l, int r)
{
    if(l<=r)
    {
        int i,j,aux,ii,jj;
        i=l;
        j=r;
        ii=0;
        jj=-1;
        while(i<=j)
        {
            if(a[i]>a[j])
            {
                aux=a[i];
                a[i]=a[j];
                a[j]=aux;
                if(ii==0)
                {
                    ii=1;
                    jj=0;
                }
                else
                {
                    ii=0;
                    jj=-1;
                }
            }
            i+=ii;
            j+=jj;
        }
        quicksort(a,l,i-1);
        quicksort(a,i+1,r);
    }
}

int main()
{
    ifstream f("algsort.in");
    ofstream g("algsort.out");
    int n,i, a[500000];
    f>>n;
    for(i=0;i<n;i++)
        f>>a[i];
    quicksort(a,0,n-1);
    for(i=0;i<n;i++)
        g<<a[i]<<' ';
    return 0;
}