Cod sursa(job #2273515)

Utilizator borzaalexAlexandru Borza borzaalex Data 31 octombrie 2018 18:01:48
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.47 kb
#include <fstream>
using namespace std;

int u[9],a[9],n;

    ifstream fin("permutari.in");
    ofstream fout("permutari.out");
void afs()
{
    for(int i=1;i<=n;i++)
        fout<<a[i]<<" ";
        fout<<'\n';
}

void bk(int x)
{
    for(int i=1;i<=n;i++)
        if(u[i]==0)
    {
        u[i]=1;
        a[x]=i;
        if(x==n) afs();
        else bk(x+1);
        u[i]=0;

    }
}

int main()
{

    fin>>n;
    bk(1);
    return 0;
}