Cod sursa(job #2478224)

Utilizator lucianistratiIstrati Lucian lucianistrati Data 21 octombrie 2019 19:35:26
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.85 kb
#include <iostream>
#include <math.h>
#include <fstream>
#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int perm[15],viz[15];
void afisare(int n)
{
    int i,ok=0;
    for(i=1;i<=n;i++)
    {
        //if([i]==true)
        fout<<perm[i]<<" ";
    }
    fout<<"\n";
}
void bkt(int k,int n)
{
    if(k==n+1)
    {
        afisare(n);
        return;
    }
    else
    {
        int i;
        for(i=1;i<=n;i++)
        {
            if(viz[i]==0)
            {
                viz[i]=1;
                perm[k]=i;
                bkt(k+1,n);
                viz[i]=0;//undo
                //perm[k]=0;//undo
            }
        }
    }
}
int main()
{
    int n;
    fin>>n;
    //cout<<n;
    bkt(1,n);
    fin.close();
    fout.close();
    return 0;
}