Cod sursa(job #1118755)

Utilizator EpictetStamatin Cristian Epictet Data 24 februarie 2014 13:05:17
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.63 kb
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,k,x[9];
void afis()
{
    for(int i=1; i<=n; i++) g << x[i] << " ";
    g << '\n';
}
int cont(int k)
{
    for(int i=1; i<k; i++)
        if(x[k] == x[i]) return 0;
    return 1;
}
void back()
{
    k = 1; x[k] = 0;
    do
    {
        while(x[k] < n)
        {
            x[k] = x[k] + 1;
            if(cont(k))
                if(k == n) afis();
                    else x[++k] = 0;
        }
        k--;
    }
    while(k);
}
int main()
{
    f >> n;
    back();
    g.close();
    return 0;
}