Cod sursa(job #2090685)

Utilizator MarinPeptenaruMarin Vasile Peptenaru MarinPeptenaru Data 18 decembrie 2017 17:08:56
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.59 kb
#include <bits/stdc++.h>

using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int st[10], n;
bitset < 10 > used;
void back (int k)
{
    if(k>n)
    {
        for(int i=1; i<=n; i++)
            out<<st[i]<<' ';
        out<<'\n';
    }
    else
    {
        for(int i=1; i<=n; i++)
        {
            st[k]=i;
            if(used.test(i)==false)
            {
                used.set(i);
                back(k+1);
                used.reset(i);
            }
        }
    }
}
int main()
{
    in>>n;
    back(1);
    return 0;
}