Cod sursa(job #2174990)

Utilizator RaresANDCRares Andrei Codreanu RaresANDC Data 16 martie 2018 14:37:17
Problema Generare de permutari Scor 80
Compilator cpp Status done
Runda Arhiva educationala Marime 0.6 kb
#include <bits/stdc++.h>

using namespace std;

ifstream fin ("permutari.in");
ofstream fout ("permutari.out");

int v[8],n;

bool ok(int k)
{
    for(int i=1;i<k;i++)
    {
        if(v[i]==v[k])return false;
    }
    return true;
}

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

void BT(int k)
{
    for(int i=1;i<=n;i++)
    {
        v[k]=i;
        if(ok(k))
        {
            if(k==n)afisare();
            else BT(k+1);
        }
    }
}

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