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Cod sursa(job #1292415)

Utilizator robertstrecheStreche Robert robertstreche Data 14 decembrie 2014 12:29:19
Problema Radix Sort Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.71 kb
#include <fstream>

#define lmax 10000005

using namespace std;

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

int i,j,a,b,c,n;
int v[lmax],aux[lmax],x[256];

int main()
{
   f>>n>>a>>b>>c;

   for (i=1;i<=n;i++)
    {
        long long val=(1LL*a*v[i-1]+b)%c;
        v[i]=val;
    }
   for (i=0;i<=24;i+=8)
    {
        for (j=1;j<=255;j++)
          x[j]=0;

        for (j=1;j<=n;j++)
         x[(v[j]>>i)&255]++;

        for (j=2;j<=255;j++)
         x[j]+=x[j-1];

        for (j=n;j>=1;j--)
         aux[x[(v[j]>>i)&255]--]=v[j];

        for (j=1;j<=n;j++)
         v[j]=aux[j];
    }

    for (i=1;i<=n;i+=10)
     g<<v[i]<<" ";

   f.close();
   g.close();
}