Cod sursa(job #2053893)

Utilizator RaduMirceaAndreiRadu Mircea Andrei RaduMirceaAndrei Data 1 noiembrie 2017 14:48:22
Problema Radix Sort Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.77 kb
# include <fstream>
# define DIM 10000010
using namespace std;
ifstream fin("radixsort.in");
ofstream fout("radixsort.out");
int v[DIM],aux[DIM],f[256],n,a,b,c,i,j,step;
int main () {
    fin>>n>>a>>b>>c;
    b%=c;
    a%=c;
    v[1]=b;
    for(i=2;i<=n;i++){
        v[i]=(1LL*v[i-1]*a)%c;
        v[i]+=b;
        if(v[i]>=c)
            v[i]-=c;
    }
    for(j=1;j<=4;j++){
        for(i=0;i<256;i++)
            f[i]=0;
        for(i=1;i<=n;i++)
            f[((v[i]>>step)&255)]++;
        for(i=1;i<256;i++)
            f[i]+=f[i-1];
        for(i=n;i>=1;i--)
            aux[f[((v[i]>>step)&255)]--]=v[i];
        for(i=1;i<=n;i++)
            v[i]=aux[i];
        step+=8;
    }
    for(i=1;i<=n;i+=10)
        fout<<v[i]<<" ";
    return 0;
}