Cod sursa(job #2605857)

Utilizator bmc213Mihai Cosmin bmc213 Data 25 aprilie 2020 23:14:04
Problema Combinari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.65 kb
#include <iostream>
#include <fstream>

using namespace std;

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

int x[19], n, k;

void afis()
{
    for(int i = 1; i <= k; ++ i)
        g << x[i] << " ";
    g << "\n";
}
bool valid(int l)
{
    for(int i = 1; i < l; ++ i)
    {
        if(x[i] >= x[l])
            return false;
    }
    return true;
}
void back(int l)
{
    for(int i = 1; i <= n; ++ i)
    {
        x[l] = i;
        if(valid(l))
            if(l == k)
                afis();
            else
                back(l + 1);
    }
}
int main()
{
    f >> n >> k;
    back(1);
    return 0;
}