Cod sursa(job #1675552)

Utilizator superstar1998Moldoveanu Vlad superstar1998 Data 5 aprilie 2016 13:18:55
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.59 kb
#include <fstream>
#include <bitset>
#define MAXN 9
#define INFILE "permutari.in"
#define OUTFILE "permutari.out"
using namespace std;
ifstream f(INFILE);
ofstream g(OUTFILE);
int n,v[MAXN];
bitset<MAXN> use;
void afis()
{
    for(int i=1;i<=n;i++)
        g<<v[i]<<" ";
    g<<'\n';
}
void bek(int k)
{
    for(int i=1;i<=n;i++)
        if(!use[i])
        {
            use[i]=1;
            v[k]=i;
            if(k==n)afis();
            else bek(k+1);
            use[i]=0;
        }
}
int main()
{
    f>>n;
    bek(1);
    f.close();
    g.close();
    return 0;
}