Cod sursa(job #1042967)

Utilizator Iustin_BulimarFMI Iustin Bulimar Iustin_Bulimar Data 27 noiembrie 2013 20:40:04
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.81 kb
#include <fstream>
using namespace std;
ifstream cin("algsort.in");
ofstream cout("algsort.out");

int n, m, i, h[500001], v[500001], k;

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

int minim(int i)
{
    if(i*2>m) return 0;
    else
    {
        if(i*2+1>m) return i*2;
        if(h[i*2]<h[i*2+1]) return i*2;
        return i*2+1;
    }
}

void pop(int m)
{
    int j, i=1;
    v[++k]=h[1];
    h[1]=h[m];
    j=minim(i);
    while(i<=m && h[i]>h[j] && j)
    {
        swap(h[i], h[j]);
        i=j;
        j=minim(i);
    }
}

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