Pagini recente » Cod sursa (job #1193899) | Cod sursa (job #1309630) | Cod sursa (job #773500) | Cod sursa (job #1849741) | Cod sursa (job #1232879)
#include<cstdio>
using namespace std;
int h[500002],k,i,n,x;
void swap(int p1,int p2)
{
int x;
x=h[p1];
h[p1]=h[p2];
h[p2]=x;
}
void heapup(int nod)
{
if(nod/2>=1)
{
if(h[nod]>h[nod/2])
{
swap(nod,nod/2);
heapup(nod/2);
}
}
}
void insert(int x)
{
k++;
h[k]=x;
heapup(k);
}
void heapdown(int nod,int k)
{
int st,dr;
if(nod*2<=k)
{
st=h[nod*2];
if(nod*2+1<=k)
{
dr=h[nod*2+1];
}
else dr=st-1;
if(st>dr&&st>h[nod])
{
swap(nod,nod*2);
heapdown(nod*2,k);
}
else if(dr>h[nod])
{
swap(nod,nod*2+1);
heapdown(nod*2+1,k);
}
}
}
int main()
{
freopen("algsort.in","r",stdin);
freopen("algsort.out","w",stdout);
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%d",&x);
insert(x);
}
for(i=1;i<=n-1;i++)
{
swap(k,1);
k--;
heapdown(1,k);
}
for(i=1;i<=n;i++)
{
printf("%d ",h[i]);
}
printf("\n");
return 0;
}