Cod sursa(job #2431821)

Utilizator blotucosmincosmin blotucosmin Data 20 iunie 2019 20:34:03
Problema Combinari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.59 kb
#include <fstream>
using namespace std;
ifstream f("combinari.in");
ofstream g("combinari.out");
int x[19], n, p;
void afis()
{
    for(int i = 1; i <= p; i ++)
        g << x[i] << " ";
    g << "\n";
}
bool valid(int k)
{
    for(int i = 1; i < k; i ++)
        if(x[i] >= x[k]) return false;
    return true;
}
void back(int k)
{
    for(int i = 1; i <= n; i ++)
    {
        x[k] = i;
        if(valid(k))
        {
            if(k == p) afis();
                  else back(k + 1);
        }
    }
}
int main()
{
    f >> n >> p;
    back(1);
    return 0;
}