Cod sursa(job #1094296)

Utilizator Impaler_009Mihai Nitu Impaler_009 Data 29 ianuarie 2014 10:51:26
Problema Radix Sort Scor 30
Compilator cpp Status done
Runda Arhiva educationala Marime 0.89 kb
#include <fstream>
#include <vector>

using namespace std;

ifstream fin("radixsort.in");
ofstream fout("radixsort.out");

vector <int> R[2][256];
int x, bits = 255,n,a,b,c,t;

int main()
{
    fin>>n>>a>>b>>c;

    x = b;
    R[0][bits&x].push_back (x);


    for (int i=2; i<=n; ++i)
    {
        x = (a*x + b)%c;
        R[0][bits&x].push_back (x);
    }

    for (int i=1,ok=0; i<=3; ok = 1-ok,++i)
    {
        for (int j=0; j<256; ++j)
        {
            for (int k=0; k < R[ok][j].size(); ++k)
            {
                int x = R[ok][j][k];
                R[1-ok][(x>>(i*8))&bits].push_back (x);
            }
            R[ok][j].clear();
        }
    }

    for (int j=0; j<256; ++j)
    {
        for (int k=0; k<R[1][j].size(); ++k)
        {
            ++t;
            if (t%10==1)
                fout<<R[1][j][k]<<" ";
        }
    }
}