Cod sursa(job #2151987)

Utilizator GeorgeCalinPetruta George-Calin GeorgeCalin Data 5 martie 2018 09:30:20
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.98 kb
#include <fstream>
#include <algorithm>
#define nmax 500002
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");

int v[nmax],cnt=0;

inline void adauga(int x)
{
    v[++cnt]=x;
    int cmt=cnt;
    while(v[cmt]<v[cmt/2])
        swap(v[cmt],v[cmt/2]),cmt>>=1;
}

inline void afis()
{
    fout<<v[1]<<" ";
    v[1]=v[cnt];
    cnt--;
    int p=1;
    while(p*2<=cnt&&(v[p]>v[p*2]||v[p]>v[p*2+1]))
    {
        if(v[p*2]<v[p*2+1])
        {
            swap(v[p],v[p*2]);
            p=p*2;
        }
        else
        {
            swap(v[p],v[p*2+1]);
            p=p*2+1;
        }
    }
}

int main()
{
    int n,nr;
    char c;
    fin>>n;
    c=fin.get();
    for(int i=1;i<=n;i++)
    {
        nr=0;
        c=fin.get();
        while(c>='0'&&c<='9')
        {
            nr=nr*10+c-'0';
            c=fin.get();
        }
        adauga(nr);
    }
    for(int i=1;i<=n;i++)
        afis();
    return 0;
}