Cod sursa(job #1702348)

Utilizator refugiatBoni Daniel Stefan refugiat Data 15 mai 2016 08:44:05
Problema Radix Sort Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.99 kb
#include <iostream>
#include <fstream>
#include <list>
using namespace std;
ifstream si("radixsort.in");
ofstream so("radixsort.out");
const int NMAX=10000005;
int v[260];
int x[NMAX];
int rez[NMAX];
inline int grupa(int i,int octdeja)
{
    return (x[i]>>(8*octdeja))&255;
}
void radixsort(int octdeja,int n)
{
    int i;
    for(i=0;i<256;++i)
        v[i]=0;
    for(i=1;i<=n;++i)
    {
        ++v[grupa(i,octdeja)];
    }
    for(i=1;i<256;++i)
    {
        v[i]+=v[i-1];
    }
    for(i=n;i;--i)
    {
        rez[v[grupa(i,octdeja)]]=x[i];
        v[grupa(i,octdeja)]--;
    }
    for(i=1;i<=n;++i)
    {
        x[i]=rez[i];
    }
}
int main()
{
    int n,k,m,p;
    si>>n>>k>>m>>p;

    k%=p;
    m%=p;
    x[1]=m;
    int i;
    for(i=2;i<=n;++i)
    {
        x[i]=(1LL*x[i-1]*k+m)%p;
    }
    for(i=0;i<4;++i)
    {
        radixsort(i,n);
    }
    for(int j=1;j<=n;j+=10)
        so<<x[j]<<' ';
    so<<'\n';
    so.close();
    return 0;
}