Cod sursa(job #2287619)
| Utilizator | Data | 22 noiembrie 2018 09:55:17 | |
|---|---|---|---|
| Problema | Sortare prin comparare | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 1.44 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
int n,MinHeap[500005];
void HeapDown(int x)
{
bool sw;
sw=1;
while(sw==1)
{
sw=0;
if(x*2<=n)
{
if(x*2+1<=n)
{
if(MinHeap[2*x]<MinHeap[2*x+1])
{
if(MinHeap[x]>MinHeap[2*x])
{
swap(MinHeap[x],MinHeap[2*x]);
x=2*x;
sw=1;
}
}
else
{
if(MinHeap[x]>MinHeap[2*x+1])
{
swap(MinHeap[x],MinHeap[2*x+1]);
x=2*x+1;
sw=1;
}
}
}
else
{
if(MinHeap[x]>MinHeap[2*x])
{
swap(MinHeap[x],MinHeap[2*x]);
x=2*x;
sw=1;
}
}
}
}
}
int main()
{
int i;
f>>n;
for(i=1;i<=n;i++)
{
f>>MinHeap[i];
}
for(i=n/2;i>=1;i--)
{
HeapDown(i);
}
while(n>0)
{
g<<MinHeap[1]<<" ";
swap(MinHeap[1],MinHeap[n]);
n--;
HeapDown(1);
}
return 0;
}
