Cod sursa(job #2600970)

Utilizator Groza_Iulia_DianaGroza Iulia Diana Groza_Iulia_Diana Data 13 aprilie 2020 15:05:42
Problema Radix Sort Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.83 kb
#include <iostream>
#include <fstream>
#include <vector>

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

void radixsort(vector<int>& v)
{
    vector<int> cnt(256);
    vector<int> out((int)v.size());
    for(int bit=0; bit<=31; bit+=8)
    {
        for(auto& x:v)
            cnt[(x>>bit)&255]++;
        for(int i=1; i<256; i++)
            cnt[i]+=cnt[i-1];
        for(int i=(int)v.size()-1; i>=0; i--)
            out[--cnt[(v[i]>>bit)&255]]=v[i];
        v=out;
        fill(cnt.begin(), cnt.end(), 0);
    }
}

int main()
{
    int n,a,b,c;
    fin >> n >> a >> b >> c;
    vector<int> v(n);
    v[0]=b;
    for(int i=1;i<n;i++)
        v[i]=(1LL*a*v[i-1]+b)%c;
    radixsort(v);
    for(int i=0; i<(int)v.size(); i+=10)
        fout<< v[i] << ' ';
    return 0;
}