Cod sursa(job #1811814)

Utilizator anna_bozianuBozianu Ana anna_bozianu Data 21 noiembrie 2016 17:04:17
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.69 kb
#include <fstream>

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

int v[500010],n;

void radix(int Lo, int Hi, int bit)
{
    if(Lo>=Hi || bit==0)return;
    int lo=Lo, hi=Hi;
    do
    {
        while(lo<=hi && ((v[lo]&bit)==0))lo++;
        while(lo<=hi && ((v[hi]&bit)==bit))hi--;
        if(lo<hi)
        {
            swap(v[lo],v[hi]);
            lo++;hi--;
        }

    }while(lo<=hi);
    if(hi>=Lo)radix(Lo,hi,bit>>1);
    if(lo<=Hi)radix(lo,Hi,bit>>1);
}


int main()
{
    fin>>n;
    for(int i=1; i<=n; i++)
        fin>>v[i];
    radix(1,n,1<<30);
    for(int i=1;i<=n;i++)
        fout<<v[i]<<' ';

    return 0;
}