Cod sursa(job #1813045)

Utilizator RaduMirceaAndreiRadu Mircea Andrei RaduMirceaAndrei Data 22 noiembrie 2016 17:48:57
Problema Radix Sort Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.8 kb
# include <fstream>
# include <cstring>
# define DIM 10000010
using namespace std;
ifstream fin("radixsort.in");
ofstream fout("radixsort.out");
int v[DIM],s[DIM],f[256],n,a,b,c,d,i,j;
long long l;
int main () {
    fin>>n>>a>>b>>c;
    a%=c;
    b%=c;
    for(i=1;i<=n;i++){
        l=1LL*v[i-1]*a;
        l%=c;
        l+=b;
        if(l>=c)
            l-=c;
        v[i]=l;
    }
    for(j=1;j<=4;j++){
        memset(f,0,sizeof(f));
        for(i=1;i<=n;i++){
            f[(v[i]>>d)&255]++;
        }
        for(i=1;i<=255;i++)
            f[i]+=f[i-1];
        for(i=n;i>=1;i--)
            s[f[(v[i]>>d)&255]--]=v[i];
        for(i=1;i<=n;i++)
            v[i]=s[i];
        d+=8;
    }
    for(i=1;i<=n;i+=10)
        fout<<v[i]<<" ";
    fout<<"\n";
    return 0;
}