Cod sursa(job #2076557)
| Utilizator | Data | 26 noiembrie 2017 19:22:39 | |
|---|---|---|---|
| Problema | Sortare prin comparare | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.65 kb |
#include<fstream>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
int v[2000000];
void heapify(int v[],int n, int x)
{
int m,st,dr;
m=x;
st=2*x+1;
dr=2*x+2;
if(v[st]>v[m]&&st<n)
m=st;
if(v[dr]>v[m]&&dr<n)
m=dr;
if(m!=x){
swap(v[x],v[m]);
heapify(v,n,m);
}
}
int main()
{
int i,n;
f>>n;
for(i=0;i<n;i++)f>>v[i];
for(i=n/2-1;i>=0;--i)
heapify(v,n,i);
for(i=n-1;i>=0;--i){
swap(v[i],v[0]);
heapify(v,i,0);
}
for(i=0;i<n;++i)
g<<v[i]<<" ";
f.close();
g.close();
return 0;
}
