Cod sursa(job #1774117)

Utilizator nurof3nCioc Alex-Andrei nurof3n Data 8 octombrie 2016 16:26:06
Problema Radix Sort Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.24 kb
#include <iostream>
#include <fstream>
#include <stdlib.h>
using namespace std;
ifstream f ("radixsort.in");
ofstream g ("radixsort.out");
int n, a[10000001],v[10000001], A, B, C;
void afisare (int a[], int n)
{
    for (int i = 1; i <= n; i += 10)
        g << a[i] << ' ';
}
int getmax (int a[], int n)
{
    int mx = 0;
    for (int i = 1; i <= n; i++)
        if (a[i] > mx) mx = a[i];
    return mx;
}
void countsort (int a[], int n, int cf)
{
    int ap[10];
    for(int i=0;i<10;i++)
        ap[i]=0;
    for (int i = 0; i <= n; i++)
        ap[ (a[i] / cf) % 10]++;
    ///
    for (int i = 1; i < 10; i++)
        ap[i] += ap[i - 1];
    ///ACUM IN AP[i] SE RETINE POZITIA IN SIRUL SORTAT
    for (int i = n; i >= 1; i--)
    {
        int x=abs((a[i]/cf)%10);
        v[ap[x]] = a[i];
        ap[x]--;
    }
    for (int i = 1; i <= n; i++)
        a[i] = v[i];
}
void radixsort (int a[], int n)
{
    int MAX = getmax (a, n);
    for (int cf1 = 1; MAX / cf1 > 0; cf1 *= 10)
        countsort (a, n, cf1);
}
int main()
{
    f >> n >> A >> B >> C;
    a[1] = B;
    for (int i = 2; i <= n; i++)
    {
        a[i] = (A * a[i-1] + B) % C;
    }
    radixsort (a, n);
    afisare (a, n);
    return 0;
}