Membuka Brankas

#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

void cetak(vector<int> v) {
    for (int i : v) cout << i << " ";
    cout << endl;
}

void cek(vector<int> v, int x, int n, int k) {
    if (k == 0) cetak(v);
    else {
        for (int i = x; i <= n; i++) {
            v.push_back(i);
            cek (v, i + 1, n, k - 1);
            v.pop_back();
        }
    }
}

int main() {
    int n, k;
    cin >> n >> k;
    vector<int> v = {};
    cek(v, 1, n, k);
}