Cod sursa(job #1446986)

Utilizator AlexAnastasiuAlex Anastasiu AlexAnastasiu Data 3 iunie 2015 12:46:09
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.7 kb
#include <fstream>

using namespace std;
ifstream in("algsort.in");
ofstream out("algsort.out");
int v[500001];
void qsort(int s,int d)
{
    int m=v[(s+d)/2];
    int i=s,j=d;
    while (i<=j)
    {
        while(v[i]<m)
            i++;
        while(v[j]>m)
            j--;

        if(i<=j)
        {
            swap (v[i],v[j]);
            i++;
            j--;
        }
    }

    if(s<j)
        qsort(s,j);
    if(i<d)
        qsort(i,d);

}

int main()
{   int i,n;
    in>>n;
        for(i=0;i<n;i++)
        {
            in>>v[i];
        }
        qsort(0,n-1);
        for(i=0;i<n;i++)
        {
            out<<v[i]<<" ";
        }
        return 0;
}