Cod sursa(job #2191993)

Utilizator PredaBossPreda Andrei PredaBoss Data 4 aprilie 2018 12:40:15
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.62 kb
#include <bits/stdc++.h>

using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
bitset<10>ap;
int perm[10];
void bkk(int pos)
{
    for(int i=1;i<=n;i++)
    {
        if(ap[i]==0)
        {
            ap[i]=1;
            if(pos<n)
            {
                perm[pos]=i;
                bkk(pos+1);
            }
            else
            {
                for(int j=1;j<=n-1;j++)
                    fout<<perm[j]<<" ";
                fout<<i<<"\n";
            }
            ap[i]=0;
        }
    }
}
int main()
{
    fin>>n;
    bkk(1);
    return 0;
}