Cod sursa(job #1842925)

Utilizator zdavid112zIon David-Gabriel zdavid112z Data 7 ianuarie 2017 19:34:16
Problema Radix Sort Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.99 kb
#include <cstdio>
#include <cstring>
#define NMAX 10000003
#define grupa(a) ((a >> b) & 0xff)

using namespace std;

int vc = 1, vp = 0;
int v[2][NMAX];
int gr[0x100];
int ind[0x100];
int n, a, b, c;

int main()
{
    int i;
    freopen("radixsort.in", "r", stdin);
    freopen("radixsort.out", "w", stdout);
    scanf("%d%d%d%d", &n, &a, &b, &c);
    v[0][0] = b;
    for(i = 1; i < n; i++)
    {
        v[0][i] = (((((long long)v[0][i - 1]) * a) % c) + b) % c;
    }
    for(b = 0; b != 32; b += 8)
    {
        memset(gr, 0, sizeof(gr));
        for(i = 0; i < n; i++)
            gr[grupa(v[vp][i])]++;
        ind[0] = 0;
        for(i = 1; i < 0x100; i++)
            ind[i] = ind[i - 1] + gr[i - 1];

        for(i = 0; i < n; i++)
        {
            v[vc][ind[grupa(v[vp][i])]++] = v[vp][i];
        }

        vc = vp;
        vp = (vp == 0) ? 1 : 0;
    }
    for(i = 0; i < n; i += 10)
    {
        printf("%d ", v[vp][i]);
    }
    return 0;
}