Cod sursa(job #2289711)
| Utilizator | Data | 25 noiembrie 2018 02:26:27 | |
|---|---|---|---|
| Problema | Sortare prin comparare | Scor | 0 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.75 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
int n,h[500005];
void heapify(int k,int m)
{
int nod=1;
while(nod)
{
nod=0;
if(2*k<m)
{
nod=2*k;
if(2*k+1<=m&&h[2*k+1]>h[2*k])
nod=2*k+1;
if(h[k]>h[nod])
nod=0;
}
if(nod){
swap(h[k],h[nod]);
k=nod;
}
}
}
int main()
{
int i;
f>>n;
for(i=1;i<=n;i++)
f>>h[i];
for(i=n/2;i>=1;i--)
heapify(i,n);
for(i=n;i>=2;i--)
{
swap(h[1],h[i]);
heapify(1,i-1);
}
for(i=1;i<=n;i++)
g<<h[i]<<" ";
return 0;
}
