Cod sursa(job #2337512)

Utilizator BotzkiBotzki Botzki Data 6 februarie 2019 15:00:19
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.64 kb
#include <fstream>
#include <bitset>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
const int NMAX=8;
int n, st[NMAX+5];
bitset <NMAX+5>viz;
void afisare()
{
   for(int i=1;i<=n;i++)
       fout<<st[i]<<" ";
   fout<<"\n";
}
void backt(int k)
{
    if(k==n+1)
        afisare();
    else
    {
        int i;
        for(i=1;i<=n;i++)
        {
            if(viz[i]==0)
            {
                st[k]=i;
                viz[i]=1;
                backt(k+1);
                viz[i]=0;
            }
        }
    }
}
int main()
{
    fin>>n;
    backt(1);
    return 0;
}