Cod sursa(job #1797748)

Utilizator bogdanf555Fuia Bogdan bogdanf555 Data 4 noiembrie 2016 18:40:44
Problema Combinari Scor 100
Compilator cpp Status done
Runda selectie_emag_mediu_2016_runda3 Marime 1.01 kb
#include <iostream>
#include <fstream>

using namespace std;

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

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

int n, w, a[100];

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 == w)
    {
        return 1;
    }
    else
    {
        return 0;
    }
}

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

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