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Cod sursa(job #779244)
#include<stdio.h>
int a[500000],b[500000],nr,nr2,ok,n,m,aux;
void heap_up(int i)
{
if (i>1)
if (a[i]>a[i/2])
{
aux=a[i];
a[i]=a[i/2];
a[i/2]=aux;
heap_up(i/2);
}
}
void heap_down(int i)
{
if (a[i]<a[i*2]&&a[i*2]>a[i*2+1])
{
aux=a[i];
a[i]=a[i*2];
a[i*2]=aux;
heap_down(i*2);
}
if (a[i]<a[i*2+1]&&a[i*2]<a[i*2+1])
{
aux=a[i];
a[i]=a[i*2+1];
a[i*2+1]=aux;
heap_down(i*2+1);
}
}
int main()
{
int i;
freopen("algsort.in","r",stdin);
freopen("algsort.out","w",stdout);
scanf("%d",&n);
for (i=1;i<=n;i++)
{
scanf("%d",&a[i]);
heap_up(i);
}
nr=0;
nr2=n;
for (i=1;i<=nr2;i++)
{
b[i]=a[1];
a[1]=a[n];
a[n]=-1;
n--;
heap_down(1);
}
for (i=nr2;i>=1;i--)
printf("%d ",b[i]);
return 0;
}