Cod sursa(job #1314070)

Utilizator eneandradaEne Oana-Andrada eneandrada Data 11 ianuarie 2015 14:57:06
Problema Radix Sort Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.88 kb
#include <iostream>
#include <fstream>

using namespace std;

ifstream f("radixsort.in");
ofstream g("radixsort.out");

int v[10000005],b[10000005],N,i,mx,exp=1;
int radix = 8;
int modulo = (1 << radix) - 1;

void countsort(int v[], int N, int exp)
{
    int i,c[300]={0};
    for(i=1;i<=N;i++)
        ++c[(v[i]>>exp)&modulo];

   for(i=1;i<=modulo;i++)
        c[i]=c[i]+c[i-1];
    for(i=N;i>=1;i--)
    {
        b[c[(v[i]>>exp)&modulo]]=v[i];
        -- c[(v[i]>>exp)&modulo];
    }
    for(i=1;i<=N;i++)
        v[i]=b[i];
}

void radixsort(int v[], int N)
{
    for (exp = 0; exp <= 24; exp += 8)
        countsort(v,N,exp);
}

int main()
{
    int A,B,C;
    f>>N>>A>>B>>C;
    v[1]=B;
    for(i=2;i<=N;i++)
        v[i]=(1LL*v[i-1]*A+B)%C;
    radixsort(v,N);
    for(i=1;i<=N;i=i+10)
        g<<v[i]<<" ";
    f.close(); g.close();
    return 0;
}