Cod sursa(job #2356347)

Utilizator stefantagaTaga Stefan stefantaga Data 26 februarie 2019 17:07:29
Problema Radix Sort Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.11 kb
#include <fstream>
#include <cstring>
#define RADIX 0xFF

#define get_byte(x) ((x>>(byte * 8))&RADIX)
using namespace std;
ifstream f("radixsort.in");
ofstream g("radixsort.out");
int fr[10000005],n,a,b,c,v[10000005],j,maxim,temp[10000005]; long long base,basesp,limita;
inline void count_sort (int A[], int B[], int byte)
{
    int cnt[256];
    int ord[256];

    memset(cnt, 0, sizeof(cnt));
	memset(ord, 0, sizeof(ord));

    for(int i=1; i<=n; ++i)
    {++cnt[get_byte(A[i])];

    }


    ord[0]=0;

    for(int i=1; i<256; ++i)
    {
        ord[i]=ord[i-1]+cnt[i-1];
    }
    for(int i=1; i<=n; ++i)
    {
        B[++ord[get_byte(A[i])]]=A[i];

    }
    return;
}
int main()
{
    f>>n>>a>>b>>c;
    v[1]=b;
    for (int i=2;i<=n;i++)
    {
        v[i]=(1LL*a*v[i-1]+b)%c;
    }
    limita=sizeof(v[1]);
    for (int i=0;i<limita;i++)
    {
        if (i%2==0)
        {
            count_sort(v,temp,i);
        }
        else
        {
            count_sort(temp,v,i);
        }
    }
    for (j=1;j<=n;j+=10)
    {
        g<<v[j]<<" ";
    }
    return 0;
}