Cod sursa(job #827579)

Utilizator IoannaPandele Ioana Ioanna Data 2 decembrie 2012 12:31:10
Problema Sortare prin comparare Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.08 kb
#include<fstream>
#define NMAX (1<<20)

using namespace std;
ifstream in("algsort.in");
ofstream out("algsort.out");

int n;
const unsigned int inf=(1u<<31)+1;
struct arbore
{
    unsigned int x;
    int poz;
};
arbore v[NMAX];


void scan()
{
    in>>n;
}

void init()
{
    for (int i=1;i<=NMAX;i++)
    {
        v[i].x=inf;
        v[i].poz=0;
    }
}
void addToTree(int a,int st,int dr,int k,int p)
{
    if (st==dr)
    {
        v[k].x=a;
        v[k].poz=p;
        return;
    }
    int mij;
    mij=((st+dr)>>1);
    if (p<=mij)
    {
        addToTree(a,st,mij,(k<<1),p);
    }
    else addToTree(a,mij+1,dr,(k<<1)+1,p);
    if (v[(k<<1)].x<v[(k<<1)+1].x)
        v[k]=v[k<<1];
    else v[k]=v[(k<<1)+1];
}

void add()
{
    int a;
    for (int i=1;i<=n;i++)
    {
        in>>a;
        addToTree(a,1,n,1,i);
    }
}

void sort()
{
    while (v[1].x!=inf)
    {
        out<<v[1].x<<" ";
        addToTree(inf,1,n,1,v[1].poz);
    }
}

int main()
{
    scan();
    init();

    add();
    sort();
    return 0;
}