Cod sursa(job #2277586)

Utilizator denmirceaBrasoveanu Mircea denmircea Data 6 noiembrie 2018 16:24:56
Problema Sortare prin comparare Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.75 kb
#include <fstream>

using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
int n,v[500001],i,p,c;
int main()
{
    fin>>n;
    fin>>v[1];
    for(i=2; i<=n; i++)
    {
        fin>>v[i];
        p=i/2;
        c=i;
        while(p>=1&&v[p]<v[c])
        {
            swap(v[p],v[c]);
            c=p;
            p=p/2;
        }
    }
    for(i=n; i>=2; i--)
    {
        swap(v[1],v[n]);
        p=1;
        c=2;
        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]);
            else
                break;
            p=c;
            c=2*p;
        }
    }
    for(i=1;i<=n;i++)
      fout<<v[i]<<" ";
}