Cod sursa(job #1936984)

Utilizator Cristi_ChiraChira Cristian Cristi_Chira Data 23 martie 2017 16:38:16
Problema Generare de permutari Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.61 kb
#include <fstream>
using namespace std;
int n;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int v[100];
bool verif(int k, int val)
{
    for(int i=1; i<=k; i++)
        if(v[i]==val)
        return 0;
    return 1;
}
void bcktrk(int k)
{
    if(k==n)
    {
        for(int i=1; i<=n; i++)
            fout<<v[i];
        fout << "\n";
    }
    else
    {
        for(int i=1; i<=n; i++)
        {
            if(verif(k, i))
            {
                v[k+1]=i;
                bcktrk(k+1);
            }

        }
    }
}
int main()
{
    fin>>n;
    bcktrk(0);
}