Cod sursa(job #1403788)

Utilizator stinkyStinky si Grasa stinky Data 27 martie 2015 16:23:50
Problema Sortare prin comparare Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.91 kb
#include <iostream>
#include <fstream>

using namespace std;

ofstream out("algsort.out");

const int N = 500001, B = 10;

int n, v[N], aux[N], poz[B];

void citire()
{
    ifstream in("algsort.in");
    in >> n;
    for (int i = 1; i <= n; i++)
        in >> v[i];
}

void afisare()
{
    for (int i = 1; i < n; i++)
        out << v[i] << " ";
    out << v[n] << "\n";
}

void rdxs()
{
    int i, j, k, p10 = 1, c;
    for (i = 0; i < B; i++)
    {
        for (j = 1; j <= n; j++)
            poz[v[j]/p10%10]++;

        for (k = 1; k < B; k++)
            poz[k] += poz[k-1];

        for (j = n; j >= 1; j--)
        {
            c = v[j]/p10%10;
            aux[poz[c]--] = v[j];
        }

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

int main()
{
    //cout << "Hello world!" << endl;
    citire();
    rdxs();
    afisare();
    return 0;
}