Cod sursa(job #1843178)

Utilizator refugiatBoni Daniel Stefan refugiat Data 8 ianuarie 2017 13:00:20
Problema Radix Sort Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.81 kb
#include <iostream>
#include <fstream>
#define NMAX 10000005
using namespace std;
ifstream si("radixsort.in");
ofstream so("radixsort.out");
int n,cont[260];
int x[NMAX];
int fin[NMAX];
int gr(int i,int c)
{
    return ((x[i]>>(8*c))&255);
}
void radix(int c)
{
    int i;
    for(i=0;i<256;++i)
        cont[i]=0;
    for(i=1;i<=n;++i)
    {
        ++cont[gr(i,c)];
    }
    for(i=1;i<256;++i)
        cont[i]+=cont[i-1];
    for(i=n;i;--i)
    {
        fin[cont[gr(i,c)]]=x[i];
        --cont[gr(i,c)];
    }
    for(i=1;i<=n;++i)
        x[i]=fin[i];
}
int main()
{
    int a,b,c;
    si>>n>>a>>b>>c;
    for(int i=1;i<=n;++i)
        x[i]=(1LL*x[i-1]*a+b)%c;
    for(int i=0;i<4;++i)
    {
        radix(i);
    }
    for(int i=1;i<=n;i+=10)
        so<<x[i]<<' ';
    return 0;
}