Cod sursa(job #2400912)

Utilizator DanutAldeaDanut Aldea DanutAldea Data 9 aprilie 2019 11:26:56
Problema Radix Sort Scor 30
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.74 kb
#include <fstream>
using namespace std;

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

int n,a,b,c,v[10000001],w[10000001],p,i,j;
int f[256];

int cif(int x, int p){
    return (x>>p)&255;
}

int main(){
    fin>>n>>a>>b>>c;
    v[1]=b;
    for(i=2;i<=n;i++){
        v[i]=a*1LL*v[i-1]+b;
        v[i]%=c;
    }

    for(j=4;j;j--){
        for(i=0;i<256;i++)
            f[i]=0;

        for(i=1;i<=n;i++)
            f[cif(v[i],p)]++;

        for(i=1;i<256;i++)
            f[i]+=f[i-1];

        for(i=n;i>0;i--)
            w[ f[cif(v[i],p)]-- ]=v[i];

        for(i=1;i<=n;i++)
            v[i]=w[i];

        p+=8;
    }

    for(i=1;i<=n;i+=10)
        fout<<v[i]<<" ";

    return 0;
}