Cod sursa(job #1540801)

Utilizator TaraAryaVinaga Crina TaraArya Data 3 decembrie 2015 11:47:59
Problema Radix Sort Scor 30
Compilator cpp Status done
Runda Arhiva educationala Marime 1.14 kb
#include<fstream>
#include<iostream>
using namespace std;
ifstream f("radixsort.in");
ofstream g("radixsort.out");
int n;
unsigned long long v[10000001];
int getMax(unsigned long long a[])
{
    int maxi = a[0];
    for (int i = 1; i < n; i++)
        if (a[i] > maxi)
            maxi = a[i];
    return maxi;
}


void countSort( unsigned long long a[],int exp)
{
    int output[n];
    int i, countt[10] = {0};


    for (i = 0; i < n; i++)
        countt[ (a[i]/exp)%10 ]++;


    for (i = 1; i < 10; i++)
        countt[i] += countt[i - 1];


    for (i = n - 1; i >= 0; i--)
    {
        output[countt[ (a[i]/exp)%10 ] - 1] = a[i];
        countt[ (a[i]/exp)%10 ]--;
    }

    for (i = 0; i < n; i++)
        a[i] = output[i];
}


void radixsort(unsigned long long a[], int n)
{

    int m = getMax(v);
    for (int exp = 1; m/exp > 0; exp *= 10)
        countSort( v,exp);
}
int main()
{
    int  a, b, c,i;
    f>>n>>a>>b>>c;
    v[0]=b;
    i=1;
    while(i<n)
    {
        v[i] =(a * v[i-1] + b) % c;
        i++;
    }
    radixsort(v,n);
    for(i=0; i<n; i+=10) g<<v[i]<<" ";
    return 0;
}