Cod sursa(job #2861562)

Utilizator alexmorosanuMorosanu Alexandru alexmorosanu Data 4 martie 2022 09:29:50
Problema Sortare prin comparare Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.69 kb
#include <fstream>

using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
int a[500011],n;
void insus(int k)
{
    if(k==1)
        return;
    if(a[k]<a[k/2])
    {
        swap(a[k],a[k/2]);
        insus(k/2);
    }
}
void injos(int k)
{
    int x=k*2;
    if(x>n)
        return;
    if(x+1<=n && a[x+1]<a[x])
        x++;
    if(a[k]>a[x])
    {
        swap(a[k],a[x]);
        injos(x);
    }
}
int m,i;
int main()
{
    f>>n;
    for(i=1;i<=n;i++)
    {
        f>>a[i];
        insus(i);
    }
    m=n;
    for(i=1;i<=m;i++)
    {
        g<<a[1]<<" ";
        a[1]=a[n];
        n--;
        injos(1);
    }
    return 0;
}