Cod sursa(job #2611742)

Utilizator rares9991Matisan Rares-Stefan rares9991 Data 7 mai 2020 15:55:06
Problema Radix Sort Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.04 kb
#include <fstream>

using namespace std;

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

const int N=10000005;

int v[N], aux[N], nr[(1<<8)], poz[(1<<8)];

int main()
{
    int n,a,b,c;
    in>>n>>a>>b>>c;
    v[0]=b;
    int maxi=b;
    for(int i=1; i<n; i++)
        {
            v[i]=(a*v[i-1]+b)%c;
            maxi=max(maxi, v[i]);
        }
    int B= (1<<8), NC=0;
    while (maxi != 0)
    {
        NC++;
        maxi /= B;
    }
    int p=1;
    for(int i=0; i<NC; i++)
    {
        for(int j=0; j<B; j++)
            nr[j]=0;
        for(int i=0; i<n; i++)
        {
            int cif=(v[i]/p)%B;
            nr[cif]++;
        }
        poz[0]=0;
        for(int j=0; j<B; j++)
            poz[j]=poz[j-1]+nr[j-1];
        for(int i=0; i<n; i++)
        {
            int cif=(v[i]/p)%B;
            aux[poz[cif]++]=v[i];
        }
        for(int i=0; i<n; i++)
            v[i]=aux[i];
        p*=B;
    }
    for(int i=0; i<n; i=i+10)
        out<<v[i]<<" ";
    return 0;
}