Cod sursa(job #1402706)

Utilizator Alexghita96Ghita Alexandru Alexghita96 Data 26 martie 2015 18:55:38
Problema Radix Sort Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.02 kb
#include <cstdio>
#include <vector>

#define NMAX 10000001

using namespace std;

int N, V[NMAX];

void citire()
{
    int A, B, C;
    long long x;
    scanf("%d %d %d %d", &N, &A, &B, &C);

    V[1] = B;

    for (int i = 2; i <= N; ++i)
    {
        x = (long long)A * (long long)V[i - 1] + (long long)B;
        V[i] = (int)(x % C);
    }
}

void rezolvare(int bucata)
{
    vector <int> lista[256];

    for (int i = 1; i <= N; ++i)
    {
        int rez = (V[i] >> (bucata * 8)) & 255;
        lista[rez].push_back(V[i]);
    }
    V[0] = 0;
    for (int i = 0; i <= 255; ++i)
        for (vector <int> :: iterator it = lista[i].begin(); it != lista[i].end(); ++it)
            V[++V[0]] = *it;
}

void afisare()
{
    for (int i = 1; i <= N; i += 10)
        printf("%d ", V[i]);
}

int main()
{
    freopen("radixsort.in", "r", stdin);
    freopen("radixsort.out", "w", stdout);

    citire();
    for (int i = 0; i <= 3; ++i)
        rezolvare(i);
    afisare();

    return 0;
}