Cod sursa(job #810951)

Utilizator ard_procesoareLupicu ard_procesoare Data 11 noiembrie 2012 12:46:45
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.06 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
#define NMAX 500001
int n,lg=0,heap[NMAX];
void baga(int val);
void scoate1();
void urca(int poz);
void coboara(int poz);
int main()
{
    int i,j,k,m;
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>j;
        baga(j);
    }
    for(i=1;i<=n;i++)
    {
        fout<<heap[1]<<" ";
        scoate1();
    }
}
void baga(int val)
{
    heap[++lg]=val;
    urca(lg);
}
void urca(int poz)
{
    int c=poz/2,aux;
    while(c>=1)
    {
        if(heap[c]<heap[poz]) return;
        aux=heap[c];
        heap[c]=heap[poz];
        heap[poz]=aux;
        poz=c;
        c=c/2;
    }
}
void coboara(int poz)
{
    int c=poz*2,aux;
    while(c<=lg)
    {
        if(c!=lg && heap[c]>heap[c+1]) c++;
        if(heap[c]>heap[poz]) return;
        aux=heap[c];
        heap[c]=heap[poz];
        heap[poz]=aux;
        poz=c;
        c=c*2;
    }
}
void scoate1()
{
    heap[1]=heap[lg--];
    coboara(1);
}