Cod sursa(job #1797691)

Utilizator MihanceLucaMihance Luca MihanceLuca Data 4 noiembrie 2016 18:19:31
Problema Submultimi Scor 0
Compilator cpp Status done
Runda selectie_emag_mediu_2016_runda3 Marime 1.02 kb
#include <iostream>
#include <fstream>

using namespace std;

ifstream in("submultimi.in");
ofstream out("submultimi.out");

int bt(int k);
int check(int k);
int check2(int k);
int show(int k);

int n, j = 1, a[17];

int bt(int k)
{
    int i;
    for(i = 1; i <= n; ++ i)
    {
        a[k] = i;
        if(check(k) == 1)
        {
            if(check2(k) == 1)
            {
                show(k);
            }
            else
            {
                bt(k + 1);
            }
        }
    }
}

int check(int k)
{
    int i;
    for(i = 1; i <= k - 1; ++ i)
    {
        if(a[i] == a[k] || a[i] > a[i + 1])
        {
            return 0;
        }
    }
    return 1;
}

int check2(int k)
{
    if(k == j)
    {
        return 1;
    }
    else;
    {
        return 0;
    }
}

int show(int k)
{
    int i;
    for(i = 1; i <= j; ++ i)
    {
        out << a[i] << " ";
    }
    out << "\n";

}

int main()
{
    in >> n;
    bt(1);
    return 0;
}