Cod sursa(job #1347868)

Utilizator ChiriGeorgeChiriluta George-Stefan ChiriGeorge Data 19 februarie 2015 12:17:26
Problema Generare de permutari Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.55 kb
#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, a[10], pus[10];
void afisare()
{
    int i;
    for(i=1;i<=n;i++)
        fout << a[i];
    fout << '\n';
}
void perm(int k)
{
    int i;
    if(k==n+1)
        afisare();
    else
        for(i=1;i<=n;i++)
        if(pus[i]==0)
        {
            a[k]=i;
            pus[i]=1;
            perm(k+1);
            pus[i]=0;
        }
}
int main()
{
    fin>>n;
    perm(1);
    return 0;
}