Cod sursa(job #2108354)

Utilizator trutruvasilicaHuhurez Marius trutruvasilica Data 18 ianuarie 2018 09:10:25
Problema Sortare prin comparare Scor 80
Compilator cpp Status done
Runda Arhiva educationala Marime 0.78 kb
#include <fstream>
#include <bits/stdc++.h>
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
const int N=500005,maxi=(1LL<<31)-1;
int arb[4*N+N/100],v[N];
void update(int nod,int st ,int dr,int val,int pos)
{
    if(st==dr)
    {
        arb[nod]=val;
        return;
    }
    int mij=(st+dr)/2;
    if(pos<=mij) update(nod*2,st,mij,val,pos);
    else update(nod*2+1,mij+1,dr,val,pos);
    if(v[arb[nod*2]]<=v[arb[nod*2+1]]) arb[nod]=arb[nod*2];
    else arb[nod]=arb[nod*2+1];
}
int main()
{
    int n,i,j,x;
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>v[i];
    }
    v[0]=maxi;
    for(i=1;i<=n;i++)
    {
        update(1,1,n,i,i);
    }
    for(i=n;i>=1;i--)
    {
        int pos=arb[1];
        fout<<v[pos]<<" ";
        update(1,1,n,0,pos);
    }
}