Cod sursa(job #1807245)

Utilizator LeVladzCiuperceanu Vlad LeVladz Data 16 noiembrie 2016 11:27:02
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.83 kb
#include <fstream>
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
int n,i,c,p,v[500005];
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>v[i];
    }
    for(i=2;i<=n;i++)
    {
        c=i;p=i/2;
        while(v[c]>v[p]&&p!=0)
        {
            swap(v[c],v[p]);
            c=p;p/=2;
        }
    }
    for(i=n;i>=2;i--)
    {
        swap(v[1],v[i]);
        p=1;c=2*p;
        while(c<=i-1)
        {
            if(c+1<=i-1&&v[c+1]>v[c])
            {
                c++;
            }
            if(v[p]<v[c])
            {
                swap(v[p],v[c]);
                p=c;
                c*=2;
            }
            else
                break;
        }
    }
    for(i=1;i<=n;i++)
    {
        fout<<v[i]<<" ";
    }
    return 0;
}