Cod sursa(job #1493935)

Utilizator tiby10Tibi P tiby10 Data 30 septembrie 2015 08:30:34
Problema Generare de permutari Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.54 kb
#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
#define MAXN 9
int n, St[MAXN];
bitset<MAXN> used;

void output(){
    for(int i=1; i<=n; ++i)
        fout<<St[i];
    fout<<'\n';
}

void bkt(int k){
    for(int i=1; i<=n; ++i)
        if(!used[i]){
            used[i]=1;
            St[k]=i;
            if(k==n)
                output();
            else bkt(k+1);
            used[i]=0;
        }
}

int main()
{
    fin>>n;
    bkt(1);
    return 0;
}