Cod sursa(job #3147490)

Utilizator cincadavidCinca David Andrei cincadavid Data 26 august 2023 12:35:31
Problema Radix Sort Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.25 kb
#include <fstream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cstdlib>
#include <iomanip>
#include <string>
#include <queue>
#include <deque>
#include <stack>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>

using namespace std;

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

int v[10000001];
int r[10000001];
int f[257];


int main()
{
    int n,a,b,c;
    cin>>n>>a>>b>>c;
    v[1]=b;
    for(int i=2;i<=n;i++)
    {
        v[i]=((long long int)a*v[i-1]+b)%c;
    }
    int p=0;
    for(int i=1;i<=4;i++)
    {
        for(int j=0;j<256;j++)
        {
            f[j]=0;
        }
        for(int j=1;j<=n;j++)
        {
            f[(v[j]>>p)%256]++;
        }
        for(int j=1;j<256;j++)
        {
            f[j]+=f[j-1];
        }
        for(int j=255;j>0;j--)
        {
            f[j]=f[j-1]+1;
        }
        f[0]=1;
        for(int j=1;j<=n;j++)
        {
            r[f[(v[j]>>p)%256]]=v[j];
            f[(v[j]>>p)%256]++;
        }
        for(int j=1;j<=n;j++)
        {
            v[j]=r[j];
        }
        p+=8;
    }
    for(int i=1;i<=n;i+=10)
    {
        cout<<v[i]<<" ";
    }

    return 0;
}