Cod sursa(job #805641)

Utilizator radu_bucurRadu Bucur radu_bucur Data 31 octombrie 2012 20:26:08
Problema Lupul Urias si Rau Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.79 kb
#include <fstream>
using namespace std;
ifstream in("heap.in");
ofstream out("heap.out");
int a[100],aux,i,n,nh,x;
void urc(int p)
{
    int aux1;
    if (p==1||a[p/2]<a[p]) return;
    aux1=a[p/2];
    a[p/2]=a[p];
    a[p]=aux1;
    urc(p/2);
}
void cobor(int p)
{
    int fs=p*2,fd=p*2+1,max1=p,aux1;
    if(a[fs]<a[max1]&&fs<=nh) max1=fs;
    if(a[fd]<a[max1]&&fd<=nh) max1=fd;
    if (max1!=p)
    {
        aux1=a[p]; a[p]=a[max1]; a[max1]=aux1;
        cobor(p);
    }

}
int main()
{
    in>>n;
    nh=0;
    for (i=1;i<=n;i++)
    {
        in>>x;
        nh++;
        a[nh]=x;
        urc(nh);
    }
    for (i=1;i<=n;i++)
    {
        out<<a[1]<<" ";
        aux=a[nh]; a[nh]=a[1]; a[1]=aux;
        nh--;
        cobor(1);
    }

    return 0;
}