Cod sursa(job #1042479)

Utilizator Iustin_BulimarFMI Iustin Bulimar Iustin_Bulimar Data 27 noiembrie 2013 03:15:55
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.85 kb
#include <fstream>
using namespace std;
ifstream cin("algsort.in");
ofstream cout("algsort.out");

int n, v[5000001], s[5000001], i, m;

void push(int i)
{
    while(v[i/2]<v[i] && i>1)
    {
        swap(v[i/2], v[i]);
        i/=2;
    }
}

void maxim(int i, int &j, int &x)
{
    if(v[2*i]>=v[2*i+1])
    {
        j=2*i;
        x=v[j];
    }
    else
    {
        j=2*i+1;
        x=v[j];
    }
}
void pop(int m)
{
    int i, j, x;
    swap(v[1], v[m]);
    s[m]=v[m];
    v[m]=0;
    i=1;
    maxim(i, j, x);
    while(i<m && j<m && v[i]<x)
    {
        swap(v[i],v[j]);
        i=j;
        maxim(i, j, x);
    }
}

int main()
{
    cin>>n;
    for(i=1; i<=n; i++)
    {
        cin>>v[i];
        push(i);
    }
    for(m=n; m>0; m--) pop(m);
    for(i=1; i<=n; i++) cout<<s[i]<<" ";
    return 0;
}