Biletul 26

#include <iostream>

using namespace std;

int n[] = {1, 2, 3 , 4, 5}, nr = 0;

void munte(int k, int p = 0) {
    if (k == 5) {
        cout << n[0] << n[1] << n[2] << n[3] << n[4] << n[3] << n[2] << n[1] << n[0] << ' ';
        nr++;

        return;
    }

    for (int i = p + 1; i <= 9; i++) {
        n[k] = i;
        munte(k + 1, i);
    }
}

int main() {
    munte(0);

    cout << '\n' << nr;

    return 0;
}